protected DefaultEntityStore(IStoreMapping storeMapping, StorageDialectSettings dialectSettings)
{
_storeMapping = storeMapping ?? throw new ArgumentNullException(nameof(storeMapping));
_dialectSettings = dialectSettings ?? throw new ArgumentNullException(nameof(dialectSettings));
//_classMap = ClassMapCached.Fetch<TKey, TEntity>();
this._classMap = ClassMapCached <TKey, TEntity> .ClassMap;
}
/// <summary>
/// Add or update a mapping in cache.
/// </summary>
/// <param name="sm">Storage mapping object.</param>
/// <param name="policy">Policy to use for preexisting cache entries during update.</param>
internal override void AddOrUpdate(IStoreMapping sm, CacheStoreMappingUpdatePolicy policy)
{
ShardKey min = ShardKey.FromRawValue(this.KeyType, sm.MinValue);
// Make range out of mapping key ranges.
ShardRange range = new ShardRange(
min,
ShardKey.FromRawValue(this.KeyType, sm.MaxValue));
CacheMapping cm;
ICacheStoreMapping csm;
IStoreMapping smDummy;
// We need to update TTL and update entry if:
// a) We are in update TTL mode
// b) Mapping exists and same as the one we already have
// c) Entry is beyond the TTL limit
if (policy == CacheStoreMappingUpdatePolicy.UpdateTimeToLive &&
(csm = this.LookupByKey(min, out smDummy)) != null &&
csm.Mapping.Id == sm.Id /*&&
* TimerUtils.ElapsedMillisecondsSince(csm.CreationTime) >= csm.TimeToLiveMilliseconds */)
{
cm = new CacheMapping(sm, CacheMapper.CalculateNewTimeToLiveMilliseconds(csm));
}
else
{
cm = new CacheMapping(sm);
}
this.Remove(sm);
// Add the entry to lookup table by Range.
_mappingsByRange.Add(range, cm);
}
/// <summary>
/// Add or update a mapping in cache.
/// </summary>
/// <param name="sm">Storage mapping object.</param>
/// <param name="policy">Policy to use for preexisting cache entries during update.</param>
internal override void AddOrUpdate(IStoreMapping sm, CacheStoreMappingUpdatePolicy policy)
{
// Make key out of mapping key.
ShardKey key = ShardKey.FromRawValue(this.KeyType, sm.MinValue);
CacheMapping cm;
// We need to update TTL and update entry if:
// a) We are in update TTL mode
// b) Mapping exists and same as the one we already have
// c) Entry is beyond the TTL limit
if (policy == CacheStoreMappingUpdatePolicy.UpdateTimeToLive &&
_mappingsByKey.TryGetValue(key, out cm) &&
cm.Mapping.Id == sm.Id /*&&
TimerUtils.ElapsedMillisecondsSince(cm.CreationTime) >= cm.TimeToLiveMilliseconds */)
{
cm = new CacheMapping(sm, CacheMapper.CalculateNewTimeToLiveMilliseconds(cm));
}
else
{
cm = new CacheMapping(sm);
}
// Remove existing entry.
this.Remove(sm);
// Add the entry to lookup table by Key.
_mappingsByKey.Add(key, cm);
}
/// <summary>
/// Invoked for refreshing mapping in cache from store.
/// </summary>
/// <param name="mapping">Storage representation of mapping.</param>
/// <param name="policy">Policy to use for preexisting cache entries during update.</param>
public virtual void AddOrUpdateMapping(IStoreMapping mapping, CacheStoreMappingUpdatePolicy policy)
{
using (ReadLockScope rls = _cacheRoot.GetReadLockScope(false))
{
CacheShardMap csm = _cacheRoot.LookupById(mapping.ShardMapId);
if (csm != null)
{
using (WriteLockScope wlscsm = csm.GetWriteLockScope())
{
csm.Mapper.AddOrUpdate(mapping, policy);
// Update perf counters for add or update operation and mappings count.
csm.IncrementPerformanceCounter(PerformanceCounterName.MappingsAddOrUpdatePerSec);
csm.SetPerformanceCounter(PerformanceCounterName.MappingsCount, csm.Mapper.GetMappingsCount());
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"OnAddOrUpdateMapping",
"Cache Add/Update mapping complete. Mapping Id: {0}",
mapping.Id);
}
}
}
}
/// <summary>
/// Add or update a mapping in cache.
/// </summary>
/// <param name="sm">Storage mapping object.</param>
/// <param name="policy">Policy to use for preexisting cache entries during update.</param>
internal override void AddOrUpdate(IStoreMapping sm, CacheStoreMappingUpdatePolicy policy)
{
ShardKey min = ShardKey.FromRawValue(this.KeyType, sm.MinValue);
// Make range out of mapping key ranges.
ShardRange range = new ShardRange(
min,
ShardKey.FromRawValue(this.KeyType, sm.MaxValue));
CacheMapping cm;
ICacheStoreMapping csm;
IStoreMapping smDummy;
// We need to update TTL and update entry if:
// a) We are in update TTL mode
// b) Mapping exists and same as the one we already have
// c) Entry is beyond the TTL limit
if (policy == CacheStoreMappingUpdatePolicy.UpdateTimeToLive &&
(csm = this.LookupByKey(min, out smDummy)) != null &&
csm.Mapping.Id == sm.Id /*&&
TimerUtils.ElapsedMillisecondsSince(csm.CreationTime) >= csm.TimeToLiveMilliseconds */)
{
cm = new CacheMapping(sm, CacheMapper.CalculateNewTimeToLiveMilliseconds(csm));
}
else
{
cm = new CacheMapping(sm);
}
this.Remove(sm);
// Add the entry to lookup table by Range.
_mappingsByRange.Add(range, cm);
}
/// <summary>
/// Invoked for deleting mapping in cache becase it no longer exists in store.
/// </summary>
/// <param name="mapping">Storage representation of mapping.</param>
public virtual void DeleteMapping(IStoreMapping mapping)
{
using (ReadLockScope rls = _cacheRoot.GetReadLockScope(false))
{
CacheShardMap csm = _cacheRoot.LookupById(mapping.ShardMapId);
if (csm != null)
{
using (WriteLockScope wlscsm = csm.GetWriteLockScope())
{
csm.Mapper.Remove(mapping);
/*
* // Update perf counters for remove mapping operation and mappings count.
* csm.IncrementPerformanceCounter(PerformanceCounterName.MappingsRemovePerSec);
* csm.SetPerformanceCounter(PerformanceCounterName.MappingsCount, csm.Mapper.GetMappingsCount());
*/
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"OnDeleteMapping",
"Cache delete mapping complete. Mapping Id: {0}",
mapping.Id);
}
}
}
}
/// <summary>
/// Add or update a mapping in cache.
/// </summary>
/// <param name="sm">Storage mapping object.</param>
/// <param name="policy">Policy to use for preexisting cache entries during update.</param>
internal override void AddOrUpdate(IStoreMapping sm, CacheStoreMappingUpdatePolicy policy)
{
// Make key out of mapping key.
ShardKey key = ShardKey.FromRawValue(this.KeyType, sm.MinValue);
CacheMapping cm;
// We need to update TTL and update entry if:
// a) We are in update TTL mode
// b) Mapping exists and same as the one we already have
// c) Entry is beyond the TTL limit
if (policy == CacheStoreMappingUpdatePolicy.UpdateTimeToLive &&
_mappingsByKey.TryGetValue(key, out cm) &&
cm.Mapping.Id == sm.Id /*&&
* TimerUtils.ElapsedMillisecondsSince(cm.CreationTime) >= cm.TimeToLiveMilliseconds */)
{
cm = new CacheMapping(sm, CacheMapper.CalculateNewTimeToLiveMilliseconds(cm));
}
else
{
cm = new CacheMapping(sm);
}
// Remove existing entry.
this.Remove(sm);
// Add the entry to lookup table by Key.
_mappingsByKey.Add(key, cm);
}
/// <summary>
/// Looks up a mapping by key.
/// </summary>
/// <param name="key">Key value.</param>
/// <param name="sm">Storage mapping object.</param>
/// <returns>Mapping object which has the key value.</returns>
internal override ICacheStoreMapping LookupByKey(ShardKey key, out IStoreMapping sm)
{
CacheMapping cm;
// Performs a binary search in the ranges for key value and
// then return the result.
int rangeIndex = this.GetIndexOfMappingContainingShardKey(key);
if (rangeIndex != -1)
{
ShardRange range = _mappingsByRange.Keys[rangeIndex];
cm = _mappingsByRange[range];
// DEVNOTE(wbasheer): We should clone the mapping.
sm = cm.Mapping;
}
else
{
cm = null;
sm = null;
}
return(cm);
}
/// <summary>
/// Invoked for refreshing mapping in cache from store.
/// </summary>
/// <param name="mapping">Storage representation of mapping.</param>
/// <param name="policy">Policy to use for preexisting cache entries during update.</param>
public virtual void AddOrUpdateMapping(IStoreMapping mapping, CacheStoreMappingUpdatePolicy policy)
{
using (ReadLockScope rls = _cacheRoot.GetReadLockScope(false))
{
CacheShardMap csm = _cacheRoot.LookupById(mapping.ShardMapId);
if (csm != null)
{
using (WriteLockScope wlscsm = csm.GetWriteLockScope())
{
csm.Mapper.AddOrUpdate(mapping, policy);
// Update perf counters for add or update operation and mappings count.
csm.IncrementPerformanceCounter(PerformanceCounterName.MappingsAddOrUpdatePerSec);
csm.SetPerformanceCounter(PerformanceCounterName.MappingsCount, csm.Mapper.GetMappingsCount());
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"OnAddOrUpdateMapping",
"Cache Add/Update mapping complete. Mapping Id: {0}",
mapping.Id);
}
}
}
}
/// <summary>
/// Constructs request for obtaining mapping from GSM based on given key.
/// </summary>
/// <param name="shardMapManager">Shard map manager.</param>
/// <param name="operationName">Operation being executed.</param>
/// <param name="shardMap">Local shard map.</param>
/// <param name="mapping">Mapping whose Id will be used.</param>
/// <param name="errorCategory">Error category.</param>
internal FindMappingByIdGlobalOperation(ShardMapManager shardMapManager, string operationName, IStoreShardMap shardMap, IStoreMapping mapping, ShardManagementErrorCategory errorCategory) :
base(shardMapManager.Credentials, shardMapManager.RetryPolicy, operationName)
{
_manager = shardMapManager;
_shardMap = shardMap;
_mapping = mapping;
_errorCategory = errorCategory;
}
/// <summary>
/// Constructs request for obtaining mapping from GSM based on given key.
/// </summary>
/// <param name="shardMapManager">Shard map manager.</param>
/// <param name="operationName">Operation being executed.</param>
/// <param name="shardMap">Local shard map.</param>
/// <param name="mapping">Mapping whose Id will be used.</param>
/// <param name="errorCategory">Error category.</param>
internal FindMappingByIdGlobalOperation(ShardMapManager shardMapManager, string operationName, IStoreShardMap shardMap, IStoreMapping mapping, ShardManagementErrorCategory errorCategory) :
base(shardMapManager.Credentials, shardMapManager.RetryPolicy, operationName)
{
_manager = shardMapManager;
_shardMap = shardMap;
_mapping = mapping;
_errorCategory = errorCategory;
}
internal SortClauseBuilder(ISortClause obj, IStoreMapping storeMapping, StorageDialectSettings dialectSettings)
{
_obj = obj ?? throw new ArgumentNullException(nameof(obj));
_storeMapping = storeMapping ?? throw new ArgumentNullException(nameof(storeMapping));
_dialectSettings = dialectSettings ?? throw new ArgumentNullException(nameof(dialectSettings));
_body = new Dictionary <string, Orderby>();
//_classMap = ClassMapCached.Fetch<TKey, TEntity>();
this._classMap = ClassMapCached <TKey, TEntity> .ClassMap;
}
/// <summary>
/// Remove a mapping object from cache.
/// </summary>
/// <param name="sm">Storage maping object.</param>
internal override void Remove(IStoreMapping sm)
{
// Make key value out of mapping key.
ShardKey key = ShardKey.FromRawValue(this.KeyType, sm.MinValue);
// Remove existing entry.
if (_mappingsByKey.ContainsKey(key))
{
_mappingsByKey.Remove(key);
}
}
/// <summary>
/// Remove a mapping object from cache.
/// </summary>
/// <param name="sm">Storage maping object.</param>
internal override void Remove(IStoreMapping sm)
{
// Make key value out of mapping key.
ShardKey key = ShardKey.FromRawValue(this.KeyType, sm.MinValue);
// Remove existing entry.
if (_mappingsByKey.ContainsKey(key))
{
_mappingsByKey.Remove(key);
}
}
/// <summary>
/// Constructs request to lock or unlock given mappings in GSM.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationName">Operation name, useful for diagnostics.</param>
/// <param name="shardMap">Shard map to add.</param>
/// <param name="mapping">Mapping to lock or unlock. Null means all mappings.</param>
/// <param name="lockOwnerId">Lock owner.</param>
/// <param name="lockOpType">Lock operation type.</param>
/// <param name="errorCategory">Error category.</param>
internal LockOrUnLockMappingsGlobalOperation(ShardMapManager shardMapManager, string operationName, IStoreShardMap shardMap, IStoreMapping mapping, Guid lockOwnerId, LockOwnerIdOpType lockOpType, ShardManagementErrorCategory errorCategory) :
base(shardMapManager.Credentials, shardMapManager.RetryPolicy, operationName)
{
_shardMapManager = shardMapManager;
_shardMap = shardMap;
_mapping = mapping;
_lockOwnerId = lockOwnerId;
_lockOpType = lockOpType;
_errorCategory = errorCategory;
Debug.Assert(mapping != null || (lockOpType == LockOwnerIdOpType.UnlockAllMappingsForId || lockOpType == LockOwnerIdOpType.UnlockAllMappings));
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to add mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateAddMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping)
{
return(new AddMappingOperation(
shardMapManager,
operationCode,
shardMap,
mapping));
}
/// <summary>
/// Constructs request to lock or unlock given mappings in GSM.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationName">Operation name, useful for diagnostics.</param>
/// <param name="shardMap">Shard map to add.</param>
/// <param name="mapping">Mapping to lock or unlock. Null means all mappings.</param>
/// <param name="lockOwnerId">Lock owner.</param>
/// <param name="lockOpType">Lock operation type.</param>
/// <param name="errorCategory">Error category.</param>
internal LockOrUnLockMappingsGlobalOperation(ShardMapManager shardMapManager, string operationName, IStoreShardMap shardMap, IStoreMapping mapping, Guid lockOwnerId, LockOwnerIdOpType lockOpType, ShardManagementErrorCategory errorCategory) :
base(shardMapManager.Credentials, shardMapManager.RetryPolicy, operationName)
{
_shardMapManager = shardMapManager;
_shardMap = shardMap;
_mapping = mapping;
_lockOwnerId = lockOwnerId;
_lockOpType = lockOpType;
_errorCategory = errorCategory;
Debug.Assert(mapping != null || (lockOpType == LockOwnerIdOpType.UnlockAllMappingsForId || lockOpType == LockOwnerIdOpType.UnlockAllMappings));
}
internal WhereClauseBuilder(IWhereClause obj, IStoreMapping storeMapping, StorageDialectSettings dialectSettings)
{
_obj = obj ?? throw new ArgumentNullException(nameof(obj));
_storeMapping = storeMapping ?? throw new ArgumentNullException(nameof(storeMapping));
_dialectSettings = dialectSettings ?? throw new ArgumentNullException(nameof(dialectSettings));
_builder = new StringBuilder();
_parameters = new Dictionary <string, object>();
_writeAnd = () => this.And();
_writeOr = () => this.Or();
// this._classMap = ClassMapCached.Fetch<TKey, TEntity>();
this._classMap = ClassMapCached <TKey, TEntity> .ClassMap;
}
/// <summary>
/// Instantiates a new instance of range mapping comparison result.
/// </summary>
/// <param name="ssm">Store representation of shard map.</param>
/// <param name="range">Range being considered.</param>
/// <param name="mappingLocation">Location of mapping.</param>
/// <param name="gsmMapping">Storage representation of GSM mapping.</param>
/// <param name="lsmMapping">Storange representation of LSM mapping.</param>
internal MappingComparisonResult(
IStoreShardMap ssm,
ShardRange range,
MappingLocation mappingLocation,
IStoreMapping gsmMapping,
IStoreMapping lsmMapping)
{
this.ShardMap = ssm;
this.Range = range;
this.MappingLocation = mappingLocation;
this.ShardMapManagerMapping = gsmMapping;
this.ShardMapping = lsmMapping;
}
/// <summary>
/// Instantiates a new instance of range mapping comparison result.
/// </summary>
/// <param name="ssm">Store representation of shard map.</param>
/// <param name="range">Range being considered.</param>
/// <param name="mappingLocation">Location of mapping.</param>
/// <param name="gsmMapping">Storage representation of GSM mapping.</param>
/// <param name="lsmMapping">Storange representation of LSM mapping.</param>
internal MappingComparisonResult(
IStoreShardMap ssm,
ShardRange range,
MappingLocation mappingLocation,
IStoreMapping gsmMapping,
IStoreMapping lsmMapping)
{
this.ShardMap = ssm;
this.Range = range;
this.MappingLocation = mappingLocation;
this.ShardMapManagerMapping = gsmMapping;
this.ShardMapping = lsmMapping;
}
/// <summary>
/// Helper function to advance mapping iterators.
/// </summary>
/// <param name="iterator">The iterator to advance.</param>
/// <param name="keyType">The data type of the map key.</param>
/// <param name="nextMapping">Output value that will contain next mapping.</param>
/// <param name="nextRange">Output value that will contain next range.</param>
/// <param name="nextMinKey">Output value that will contain next min key.</param>
private static void MoveToNextMapping(
IEnumerator <IStoreMapping> iterator,
ShardKeyType keyType,
out IStoreMapping nextMapping,
out ShardRange nextRange,
out ShardKey nextMinKey)
{
nextMapping = iterator.MoveNext() ? iterator.Current : null;
nextRange = nextMapping != null ? new ShardRange(
ShardKey.FromRawValue(keyType, nextMapping.MinValue),
ShardKey.FromRawValue(keyType, nextMapping.MaxValue)) : null;
nextMinKey = nextRange != null ? nextRange.Low : null;
}
/// <summary>
/// Serializes shard mapping to xml.
/// </summary>
/// <param name="name">Element name for shard mapping.</param>
/// <param name="mapping">Shard mapping to serialize.</param>
/// <returns>XElement representing shard mapping.</returns>
internal static XElement WriteIStoreMapping(string name, IStoreMapping mapping)
{
Debug.Assert(mapping != null);
return(new XElement(name,
new XElement("Id", mapping.Id),
new XElement("ShardMapId", mapping.ShardMapId),
new XElement("MinValue", StringUtils.ByteArrayToString(mapping.MinValue)),
new XElement("MaxValue",
new XAttribute("Null", mapping.MaxValue == null ? 1 : 0),
mapping.MaxValue == null ? null : StringUtils.ByteArrayToString(mapping.MaxValue)),
new XElement("Status", mapping.Status),
new XElement("LockOwnerId", mapping.LockOwnerId)));
}
internal MappingDifference(
MappingDifferenceType type,
MappingLocation location,
IStoreShardMap shardMap,
IStoreMapping mappingForShardMap,
IStoreMapping mappingForShard
)
{
this.Type = type;
this.Location = location;
this.ShardMap = shardMap;
this.MappingForShardMap = mappingForShardMap;
this.MappingForShard = mappingForShard;
}
/// <summary>
/// Constructs request for obtaining mapping from GSM based on given key.
/// </summary>
/// <param name="shardMapManager">Shard map manager.</param>
/// <param name="operationName">Operation being executed.</param>
/// <param name="shardMap">Local shard map.</param>
/// <param name="mapping">Mapping whose Id will be used.</param>
/// <param name="errorCategory">Error category.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperationGlobal CreateFindMappingByIdGlobalOperation(
ShardMapManager shardMapManager,
string operationName,
IStoreShardMap shardMap,
IStoreMapping mapping,
ShardManagementErrorCategory errorCategory)
{
return(new FindMappingByIdGlobalOperation(
shardMapManager,
operationName,
shardMap,
mapping,
errorCategory));
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map from which to remove mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateRemoveMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid lockOwnerId)
{
return(new RemoveMappingOperation(
shardMapManager,
operationCode,
shardMap,
mapping,
lockOwnerId));
}
internal MappingDifference(
MappingDifferenceType type,
MappingLocation location,
IStoreShardMap shardMap,
IStoreMapping mappingForShardMap,
IStoreMapping mappingForShard
)
{
this.Type = type;
this.Location = location;
this.ShardMap = shardMap;
this.MappingForShardMap = mappingForShardMap;
this.MappingForShard = mappingForShard;
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to add mapping.</param>
/// <param name="mapping">Mapping to add.</param>
protected internal AddMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping) :
this(
shardMapManager,
Guid.NewGuid(),
StoreOperationState.UndoBegin,
operationCode,
shardMap,
mapping,
default(Guid))
{
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to add mapping.</param>
/// <param name="mapping">Mapping to add.</param>
protected internal AddMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping) :
this(
shardMapManager,
Guid.NewGuid(),
StoreOperationState.UndoBegin,
operationCode,
shardMap,
mapping,
default(Guid))
{
}
/// <summary>
/// Sets the stub of CacheStore.DeleteMapping(IStoreMapping mapping)
/// </summary>
public override void DeleteMapping(IStoreMapping mapping)
{
Action <IStoreMapping> action1 = this.DeleteMappingIStoreMapping;
if (action1 != null)
{
action1(mapping);
}
else if (this.___callBase)
{
base.DeleteMapping(mapping);
}
else
{
this.InstanceBehavior.VoidResult <StubCacheStore>(this, "DeleteMapping");
}
}
/// <summary>
/// Looks up a mapping by key.
/// </summary>
/// <param name="key">Key value.</param>
/// <param name="sm">Storage mapping object.</param>
/// <returns>Mapping object which has the key value.</returns>
internal override ICacheStoreMapping LookupByKey(ShardKey key, out IStoreMapping sm)
{
CacheMapping cm;
_mappingsByKey.TryGetValue(key, out cm);
if (cm != null)
{
sm = cm.Mapping;
}
else
{
sm = null;
}
return(cm);
}
/// <summary>
/// Sets the stub of CacheStore.AddOrUpdateMapping(IStoreMapping mapping, CacheStoreMappingUpdatePolicy policy)
/// </summary>
public override void AddOrUpdateMapping(IStoreMapping mapping, CacheStoreMappingUpdatePolicy policy)
{
Action <IStoreMapping, CacheStoreMappingUpdatePolicy> action1 = this.AddOrUpdateMappingIStoreMappingCacheStoreMappingUpdatePolicy;
if (action1 != null)
{
action1(mapping, policy);
}
else if (this.___callBase)
{
base.AddOrUpdateMapping(mapping, policy);
}
else
{
this.InstanceBehavior.VoidResult <StubCacheStore>(this, "AddOrUpdateMapping");
}
}
/// <summary>
/// Constructs request to lock or unlock given mappings in GSM.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationName">Operation name, useful for diagnostics.</param>
/// <param name="shardMap">Shard map to add.</param>
/// <param name="mapping">Mapping to lock or unlock. Null means all mappings.</param>
/// <param name="lockOwnerId">Lock owner.</param>
/// <param name="lockOpType">Lock operation type.</param>
/// <param name="errorCategory">Error category.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperationGlobal CreateLockOrUnLockMappingsGlobalOperation(
ShardMapManager shardMapManager,
string operationName,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid lockOwnerId,
LockOwnerIdOpType lockOpType,
ShardManagementErrorCategory errorCategory)
{
return(new LockOrUnLockMappingsGlobalOperation(
shardMapManager,
operationName,
shardMap,
mapping,
lockOwnerId,
lockOpType,
errorCategory));
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to update mapping.</param>
/// <param name="mappingSource">Mapping to update.</param>
/// <param name="mappingTarget">Updated mapping.</param>
/// <param name="patternForKill">Pattern for kill commands.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateUpdateMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mappingSource,
IStoreMapping mappingTarget,
string patternForKill,
Guid lockOwnerId)
{
return(new UpdateMappingOperation(
shardMapManager,
operationCode,
shardMap,
mappingSource,
mappingTarget,
patternForKill,
lockOwnerId));
}
/// <summary>
/// Internal constructor used for deserialization from store representation of
/// the mapping object.
/// </summary>
/// <param name="manager">Owning ShardMapManager.</param>
/// <param name="shardMap">Owning shard map.</param>
/// <param name="mapping">Storage representation of the mapping.</param>
internal PointMapping(
ShardMapManager manager,
ShardMap shardMap,
IStoreMapping mapping)
{
Debug.Assert(manager != null);
this.Manager = manager;
Debug.Assert(mapping != null);
Debug.Assert(mapping.ShardMapId != default(Guid));
Debug.Assert(mapping.StoreShard.ShardMapId != default(Guid));
this.StoreMapping = mapping;
_shard = new Shard(this.Manager, shardMap, mapping.StoreShard);
this.Key = ShardKey.FromRawValue(ShardKey.ShardKeyTypeFromType(typeof(TKey)), mapping.MinValue);
this.Value = (TKey)this.Key.Value;
}
/// <summary>
/// Invoked for deleting mapping in cache becase it no longer exists in store.
/// </summary>
/// <param name="mapping">Storage representation of mapping.</param>
public virtual void DeleteMapping(IStoreMapping mapping)
{
using (ReadLockScope rls = _cacheRoot.GetReadLockScope(false))
{
CacheShardMap csm = _cacheRoot.LookupById(mapping.ShardMapId);
if (csm != null)
{
using (WriteLockScope wlscsm = csm.GetWriteLockScope())
{
csm.Mapper.Remove(mapping);
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"OnDeleteMapping",
"Cache delete mapping complete. Mapping Id: {0}",
mapping.Id);
}
}
}
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation id.</param>
/// <param name="undoStartState">State from which Undo operation starts.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to update mapping.</param>
/// <param name="mappingSource">Mapping to update.</param>
/// <param name="mappingTarget">Updated mapping.</param>
/// <param name="patternForKill">Pattern for kill commands.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
/// <param name="originalShardVersionRemoves">Original shard version for removes.</param>
/// <param name="originalShardVersionAdds">Original shard version for adds.</param>
/// <param name="killConnection">Whether to kill open connections.</param>
internal UpdateMappingOperation(
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mappingSource,
IStoreMapping mappingTarget,
string patternForKill,
Guid lockOwnerId,
Guid originalShardVersionRemoves,
Guid originalShardVersionAdds,
bool killConnection) :
base(
shardMapManager,
operationId,
undoStartState,
operationCode,
originalShardVersionRemoves,
originalShardVersionAdds)
{
_shardMap = shardMap;
_mappingSource = mappingSource;
_mappingTarget = mappingTarget;
_lockOwnerId = lockOwnerId;
_errorCategory = (operationCode == StoreOperationCode.UpdateRangeMapping ||
operationCode == StoreOperationCode.UpdateRangeMappingWithOffline) ?
ShardManagementErrorCategory.RangeShardMap :
ShardManagementErrorCategory.ListShardMap;
_updateLocation = _mappingSource.StoreShard.Id != _mappingTarget.StoreShard.Id;
_fromOnlineToOffline = operationCode == StoreOperationCode.UpdatePointMappingWithOffline ||
operationCode == StoreOperationCode.UpdateRangeMappingWithOffline;
_patternForKill = patternForKill;
_killConnection = killConnection;
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to update mapping.</param>
/// <param name="mappingSource">Mapping to update.</param>
/// <param name="mappingTarget">Updated mapping.</param>
/// <param name="patternForKill">Pattern for kill commands.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
protected internal UpdateMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mappingSource,
IStoreMapping mappingTarget,
string patternForKill,
Guid lockOwnerId) :
this(
shardMapManager,
Guid.NewGuid(),
StoreOperationState.UndoBegin,
operationCode,
shardMap,
mappingSource,
mappingTarget,
patternForKill,
lockOwnerId,
default(Guid),
default(Guid))
{
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation id.</param>
/// <param name="undoStartState">State from which Undo operation starts.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to add mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <param name="originalShardVersionAdds">Original shard version.</param>
internal AddMappingOperation(
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid originalShardVersionAdds) :
base(
shardMapManager,
operationId,
undoStartState,
operationCode,
default(Guid),
originalShardVersionAdds)
{
_shardMap = shardMap;
_mapping = mapping;
_errorCategory = operationCode == StoreOperationCode.AddRangeMapping ?
ShardManagementErrorCategory.RangeShardMap :
ShardManagementErrorCategory.ListShardMap;
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation id.</param>
/// <param name="undoStartState">State from which Undo operation starts.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to add mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <param name="originalShardVersionAdds">Original shard version.</param>
internal AddMappingOperation(
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid originalShardVersionAdds) :
base(
shardMapManager,
operationId,
undoStartState,
operationCode,
default(Guid),
originalShardVersionAdds)
{
_shardMap = shardMap;
_mapping = mapping;
_errorCategory = operationCode == StoreOperationCode.AddRangeMapping ?
ShardManagementErrorCategory.RangeShardMap :
ShardManagementErrorCategory.ListShardMap;
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to update mapping.</param>
/// <param name="mappingSource">Mapping to update.</param>
/// <param name="mappingTarget">Updated mapping.</param>
/// <param name="patternForKill">Pattern for kill commands.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
protected internal UpdateMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mappingSource,
IStoreMapping mappingTarget,
string patternForKill,
Guid lockOwnerId) :
this(
shardMapManager,
Guid.NewGuid(),
StoreOperationState.UndoBegin,
operationCode,
shardMap,
mappingSource,
mappingTarget,
patternForKill,
lockOwnerId,
default(Guid),
default(Guid))
{
}
/// <summary>
/// Internal constructor used for deserialization from store representation of
/// the mapping object.
/// </summary>
/// <param name="manager">Owning ShardMapManager.</param>
/// <param name="shardMap">Owning shard map.</param>
/// <param name="mapping">Storage representation of the mapping.</param>
internal RangeMapping(
ShardMapManager manager,
ShardMap shardMap,
IStoreMapping mapping)
{
Debug.Assert(manager != null);
this.Manager = manager;
Debug.Assert(mapping != null);
Debug.Assert(mapping.ShardMapId != default(Guid));
Debug.Assert(mapping.StoreShard.ShardMapId != default(Guid));
this.StoreMapping = mapping;
_shard = new Shard(this.Manager, shardMap, mapping.StoreShard);
this.Range = new ShardRange(
ShardKey.FromRawValue(ShardKey.ShardKeyTypeFromType(typeof(TKey)), mapping.MinValue),
ShardKey.FromRawValue(ShardKey.ShardKeyTypeFromType(typeof(TKey)), mapping.MaxValue));
this.Value = this.Range.High.IsMax ?
new Range <TKey>(this.Range.Low.GetValue <TKey>()) :
new Range <TKey>(this.Range.Low.GetValue <TKey>(), this.Range.High.GetValue <TKey>());
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationId">Operation id.</param>
/// <param name="undoStartState">State from which Undo operation starts.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map from which to remove mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
/// <param name="originalShardVersionRemoves">Original shard version.</param>
internal RemoveMappingOperation(
ShardMapManager shardMapManager,
Guid operationId,
StoreOperationState undoStartState,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid lockOwnerId,
Guid originalShardVersionRemoves) :
base(
shardMapManager,
operationId,
undoStartState,
operationCode,
originalShardVersionRemoves,
default(Guid))
{
_shardMap = shardMap;
_mapping = mapping;
_lockOwnerId = lockOwnerId;
_errorCategory = operationCode == StoreOperationCode.RemoveRangeMapping ?
ShardManagementErrorCategory.RangeShardMap :
ShardManagementErrorCategory.ListShardMap;
}
/// <summary>
/// Constructs request for obtaining mapping from GSM based on given key.
/// </summary>
/// <param name="shardMapManager">Shard map manager.</param>
/// <param name="operationName">Operation being executed.</param>
/// <param name="shardMap">Local shard map.</param>
/// <param name="mapping">Mapping whose Id will be used.</param>
/// <param name="errorCategory">Error category.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperationGlobal CreateFindMappingByIdGlobalOperation(
ShardMapManager shardMapManager,
string operationName,
IStoreShardMap shardMap,
IStoreMapping mapping,
ShardManagementErrorCategory errorCategory)
{
return new FindMappingByIdGlobalOperation(
shardMapManager,
operationName,
shardMap,
mapping,
errorCategory);
}
/// <summary>
/// Constructs request to lock or unlock given mappings in GSM.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationName">Operation name, useful for diagnostics.</param>
/// <param name="shardMap">Shard map to add.</param>
/// <param name="mapping">Mapping to lock or unlock. Null means all mappings.</param>
/// <param name="lockOwnerId">Lock owner.</param>
/// <param name="lockOpType">Lock operation type.</param>
/// <param name="errorCategory">Error category.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperationGlobal CreateLockOrUnLockMappingsGlobalOperation(
ShardMapManager shardMapManager,
string operationName,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid lockOwnerId,
LockOwnerIdOpType lockOpType,
ShardManagementErrorCategory errorCategory)
{
return new LockOrUnLockMappingsGlobalOperation(
shardMapManager,
operationName,
shardMap,
mapping,
lockOwnerId,
lockOpType,
errorCategory);
}
/// <summary>
/// Initializes a new instance
/// </summary>
public StubAddMappingOperation(ShardMapManager shardMapManager, StoreOperationCode operationCode, IStoreShardMap shardMap, IStoreMapping mapping)
: base(shardMapManager, operationCode, shardMap, mapping)
{
this.InitializeStub();
}
/// <summary>
/// Request to add mapping to given shard map in LSM.
/// </summary>
/// <param name="operationId">Operation Id.</param>
/// <param name="shardMap">Shard map for which operation is being requested.</param>
/// <param name="mapping">Mapping to add.</param>
/// <param name="undo">Whether this is undo request.</param>
/// <returns>Xml formatted request.</returns>
internal static XElement AddShardMappingLocal(
Guid operationId,
bool undo,
IStoreShardMap shardMap,
IStoreMapping mapping)
{
return new XElement(
"BulkOperationShardMappingsLocal",
StoreOperationRequestBuilder.OperationId(operationId),
StoreOperationRequestBuilder.Undo(undo),
StoreOperationRequestBuilder.StepsCount(1),
StoreOperationRequestBuilder.s_lsmVersion,
StoreObjectFormatterXml.WriteIStoreShardMap("ShardMap", shardMap),
StoreObjectFormatterXml.WriteIStoreShard("Shard", mapping.StoreShard),
new XElement("Steps",
new XElement("Step",
new XAttribute("Id", 1),
StoreOperationRequestBuilder.StepKind(StoreOperationStepKind.Add),
StoreObjectFormatterXml.WriteIStoreMapping("Mapping", mapping))));
}
internal UpdateMappingOperationFailAfterLocalTarget(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mappingSource,
IStoreMapping mappingTarget,
string patternForKill,
Guid lockOwnerId)
: base(shardMapManager,
operationCode,
shardMap,
mappingSource,
mappingTarget,
patternForKill,
lockOwnerId)
{
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to update mapping.</param>
/// <param name="mappingSource">Mapping to update.</param>
/// <param name="mappingTarget">Updated mapping.</param>
/// <param name="patternForKill">Pattern for kill commands.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateUpdateMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mappingSource,
IStoreMapping mappingTarget,
string patternForKill,
Guid lockOwnerId)
{
return new UpdateMappingOperation(
shardMapManager,
operationCode,
shardMap,
mappingSource,
mappingTarget,
patternForKill,
lockOwnerId);
}
/// <summary>
/// Constructs cached representation of a mapping object.
/// </summary>
/// <param name="storeMapping">Storage representation of mapping.</param>
internal CacheMapping(IStoreMapping storeMapping)
: this(storeMapping, 0)
{
}
/// <summary>
/// Constructs cached representation of a mapping object.
/// </summary>
/// <param name="storeMapping">Storage representation of mapping.</param>
/// <param name="timeToLiveMilliseconds">Mapping expiration time.</param>
internal CacheMapping(IStoreMapping storeMapping, long timeToLiveMilliseconds)
{
this.Mapping = storeMapping;
this.CreationTime = TimerUtils.GetTimestamp();
this.TimeToLiveMilliseconds = timeToLiveMilliseconds;
}
public virtual void AddOrUpdateMapping(IStoreMapping mapping, CacheStoreMappingUpdatePolicy policy)
{
this.inner.AddOrUpdateMapping(mapping, policy);
}
public virtual void DeleteMapping(IStoreMapping mapping)
{
this.inner.DeleteMapping(mapping);
}
internal NTimeFailingAddMappingOperation(
int failureCountMax,
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping)
: base(shardMapManager, operationCode, shardMap, mapping)
{
_failureCountMax = failureCountMax;
_currentFailureCount = 0;
}
/// <summary>
/// Asynchronously performs validation that the local representation is as up-to-date
/// as the representation on the backing data store.
/// </summary>
/// <param name="conn">Connection used for validation.</param>
/// <param name="manager">ShardMapManager reference.</param>
/// <param name="shardMap">Shard map for the mapping.</param>
/// <param name="storeMapping">Mapping to validate.</param>
/// <returns>A task to await validation completion</returns>
internal static async Task ValidateMappingAsync(
SqlConnection conn,
ShardMapManager manager,
IStoreShardMap shardMap,
IStoreMapping storeMapping)
{
DateTime validateStartTime = DateTime.UtcNow;
SqlResults lsmResult = new SqlResults();
XElement xeValidate = StoreOperationRequestBuilder.ValidateShardMappingLocal(shardMap.Id, storeMapping.Id);
using (SqlCommand cmd = conn.CreateCommand())
using (XmlReader input = xeValidate.CreateReader())
{
cmd.CommandText = StoreOperationRequestBuilder.SpValidateShardMappingLocal;
cmd.CommandType = CommandType.StoredProcedure;
SqlUtils.AddCommandParameter(
cmd,
"@input",
SqlDbType.Xml,
ParameterDirection.Input,
0,
new SqlXml(input));
SqlParameter resultParam = SqlUtils.AddCommandParameter(
cmd,
"@result",
SqlDbType.Int,
ParameterDirection.Output,
0,
0);
using (SqlDataReader reader = await cmd.ExecuteReaderAsync())
{
await lsmResult.FetchAsync(reader);
}
// Output parameter will be used to specify the outcome.
lsmResult.Result = (StoreResult)resultParam.Value;
}
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.Shard,
"ValidateMappingAsync",
"Complete; Shard: {0}; Connection: {1}; Result: {2}; Duration: {3}",
storeMapping.StoreShard.Location,
conn.ConnectionString,
lsmResult.Result,
DateTime.UtcNow - validateStartTime);
if (lsmResult.Result != StoreResult.Success)
{
if (lsmResult.Result == StoreResult.ShardMapDoesNotExist)
{
manager.Cache.DeleteShardMap(shardMap);
}
else if (lsmResult.Result == StoreResult.MappingDoesNotExist ||
lsmResult.Result == StoreResult.MappingIsOffline)
{
manager.Cache.DeleteMapping(storeMapping);
}
// Possible errors are:
// StoreResult.ShardMapDoesNotExist
// StoreResult.MappingDoesNotExist
// StoreResult.MappingIsOffline
// StoreResult.ShardVersionMismatch
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnValidationErrorLocal(
lsmResult,
shardMap,
storeMapping.StoreShard.Location,
"ValidateMappingAsync",
StoreOperationRequestBuilder.SpValidateShardLocal);
}
Debug.Assert(lsmResult.Result == StoreResult.Success);
}
internal RemoveMappingOperationFailAfterLocalTarget(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid lockOwnerId)
: base(shardMapManager,
operationCode,
shardMap,
mapping,
lockOwnerId)
{
}
/// <summary>
/// Performs validation that the local representation is as up-to-date
/// as the representation on the backing data store.
/// </summary>
/// <param name="conn">Connection used for validation.</param>
/// <param name="manager">ShardMapManager reference.</param>
/// <param name="shardMap">Shard map for the mapping.</param>
/// <param name="storeMapping">Mapping to validate.</param>
internal static void ValidateMapping(
SqlConnection conn,
ShardMapManager manager,
IStoreShardMap shardMap,
IStoreMapping storeMapping)
{
Stopwatch stopwatch = Stopwatch.StartNew();
SqlResults lsmResult = new SqlResults();
XElement xeValidate = StoreOperationRequestBuilder.ValidateShardMappingLocal(shardMap.Id, storeMapping.Id);
using (SqlCommand cmd = conn.CreateCommand())
using (XmlReader input = xeValidate.CreateReader())
{
cmd.CommandText = StoreOperationRequestBuilder.SpValidateShardMappingLocal;
cmd.CommandType = CommandType.StoredProcedure;
SqlUtils.AddCommandParameter(
cmd,
"@input",
SqlDbType.Xml,
ParameterDirection.Input,
0,
new SqlXml(input));
SqlParameter resultParam = SqlUtils.AddCommandParameter(
cmd,
"@result",
SqlDbType.Int,
ParameterDirection.Output,
0,
0);
using (SqlDataReader reader = cmd.ExecuteReader())
{
lsmResult.Fetch(reader);
}
// Output parameter will be used to specify the outcome.
lsmResult.Result = (StoreResult)resultParam.Value;
}
stopwatch.Stop();
Tracer.TraceInfo(
TraceSourceConstants.ComponentNames.Shard,
"ValidateMapping",
"Complete; Shard: {0}; Connection: {1}; Result: {2}; Duration: {3}",
storeMapping.StoreShard.Location,
conn.ConnectionString,
lsmResult.Result,
stopwatch.Elapsed);
if (lsmResult.Result != StoreResult.Success)
{
if (lsmResult.Result == StoreResult.ShardMapDoesNotExist)
{
manager.Cache.DeleteShardMap(shardMap);
}
else
if (lsmResult.Result == StoreResult.MappingDoesNotExist)
{
// Only evict from cache is mapping is no longer present,
// for Offline mappings, we don't even retry, so same request
// will continue to go to the LSM.
manager.Cache.DeleteMapping(storeMapping);
}
// Possible errors are:
// StoreResult.ShardMapDoesNotExist
// StoreResult.MappingDoesNotExist
// StoreResult.MappingIsOffline
// StoreResult.ShardVersionMismatch
// StoreResult.StoreVersionMismatch
// StoreResult.MissingParametersForStoredProcedure
throw StoreOperationErrorHandler.OnValidationErrorLocal(
lsmResult,
shardMap,
storeMapping.StoreShard.Location,
"ValidateMapping",
StoreOperationRequestBuilder.SpValidateShardLocal);
}
Debug.Assert(lsmResult.Result == StoreResult.Success);
}
internal AddMappingOperationFailAfterLocalTarget(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping)
: base(shardMapManager,
operationCode,
shardMap,
mapping)
{
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map from which to remove mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <param name="lockOwnerId">Id of lock owner.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateRemoveMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping,
Guid lockOwnerId)
{
return new RemoveMappingOperation(
shardMapManager,
operationCode,
shardMap,
mapping,
lockOwnerId);
}
/// <summary>
/// Creates request to add shard to given shard map.
/// </summary>
/// <param name="shardMapManager">Shard map manager object.</param>
/// <param name="operationCode">Store operation code.</param>
/// <param name="shardMap">Shard map for which to add mapping.</param>
/// <param name="mapping">Mapping to add.</param>
/// <returns>The store operation.</returns>
public virtual IStoreOperation CreateAddMappingOperation(
ShardMapManager shardMapManager,
StoreOperationCode operationCode,
IStoreShardMap shardMap,
IStoreMapping mapping)
{
return new AddMappingOperation(
shardMapManager,
operationCode,
shardMap,
mapping);
}
/// <summary>
/// Invoked for deleting mapping in cache becase it no longer exists in store.
/// </summary>
/// <param name="mapping">Storage representation of mapping.</param>
public virtual void DeleteMapping(IStoreMapping mapping)
{
using (ReadLockScope rls = _cacheRoot.GetReadLockScope(false))
{
CacheShardMap csm = _cacheRoot.LookupById(mapping.ShardMapId);
if (csm != null)
{
using (WriteLockScope wlscsm = csm.GetWriteLockScope())
{
csm.Mapper.Remove(mapping);
Tracer.TraceVerbose(
TraceSourceConstants.ComponentNames.ShardMapManager,
"OnDeleteMapping",
"Cache delete mapping complete. Mapping Id: {0}",
mapping.Id);
}
}
}
}
