/// <summary>
/// Adds an entry to this cache.
/// If the cache is full, the LRU (least recently used) entry is dropped.
/// </summary>
/// <param name="keys">The keys.</param>
/// <param name="value">a value to be associated with the specified key.</param>
public void PutCached(object[] keys, EventTable[] value)
{
lock (this)
{
var key = DataCacheUtil.GetLookupKey(keys);
_cache[key] = value;
}
}
/// <summary>
/// Adds an entry to this _cache.
/// If the _cache is full, the LRU (least recently used) entry is dropped.
/// </summary>
/// <param name="methodParams">the keys with which the specified value is to be associated.</param>
/// <param name="numLookupKeys">number of method param keys, from the start, that are for cache lookup</param>
/// <param name="rows">a value to be associated with the specified key.</param>
public void PutCached(Object[] methodParams, int numLookupKeys, EventTable[] rows)
{
lock (_iLock)
{
var key = DataCacheUtil.GetLookupKey(methodParams, numLookupKeys);
_cache.Put(key, rows);
}
}
public void PutCached(object[] lookupKeys, EventTable[] rows)
{
var key = DataCacheUtil.GetLookupKey(lookupKeys);
var now = _schedulingService.Time;
var item = new Item(rows, now);
_cache.Put(key, item);
if (!_isScheduled)
{
var callback = new EPStatementHandleCallback(_epStatementAgentInstanceHandle, this);
_schedulingService.Add(PurgeIntervalMSec, callback, _scheduleSlot);
_isScheduled = true;
}
}
public void PutCached(Object[] methodParams, int numLookupKeys, EventTable[] rows)
{
var key = DataCacheUtil.GetLookupKey(methodParams, numLookupKeys);
var now = _schedulingService.Time;
var item = new Item(rows, now);
_cache.Put(key, item);
if (!_isScheduled)
{
var callback = new EPStatementHandleCallback(_epStatementAgentInstanceHandle, this);
_schedulingService.Add(_timeAbacus.DeltaForSecondsDouble(_purgeIntervalSec), callback, _scheduleSlot);
_isScheduled = true;
}
}
public EventTable[] GetCached(object[] lookupKeys)
{
var key = DataCacheUtil.GetLookupKey(lookupKeys);
var item = _cache.Get(key);
if (item == null)
{
return(null);
}
var now = _schedulingService.Time;
if ((now - item.Time) > MaxAgeMSec)
{
_cache.Remove(key);
return(null);
}
return(item.Data);
}
public EventTable[] GetCached(Object[] methodParams, int numLookupKeys)
{
var key = DataCacheUtil.GetLookupKey(methodParams, numLookupKeys);
var item = _cache.Get(key);
if (item == null)
{
return(null);
}
var now = _schedulingService.Time;
long maxAgeMSec = _timeAbacus.DeltaForSecondsDouble(_maxAgeSec);
if ((now - item.Time) > maxAgeMSec)
{
_cache.Remove(key);
return(null);
}
return(item.Data);
}
public EventTable[] GetCached(Object[] methodParams, int numLookupKeys)
{
var key = DataCacheUtil.GetLookupKey(methodParams, numLookupKeys);
return(_cache.Get(key));
}
/// <summary> Retrieves an entry from the cache.
/// The retrieved entry becomes the MRU (most recently used) entry.
/// </summary>
/// <param name="lookupKeys">the key whose associated value is to be returned.
/// </param>
/// <returns> the value associated to this key, or null if no value with this key exists in the cache.
/// </returns>
public EventTable[] GetCached(object[] lookupKeys)
{
var key = DataCacheUtil.GetLookupKey(lookupKeys);
return(_cache.Get(key));
}
public void PutCached(object[] lookupKeys, EventTable[] rows)
{
var key = DataCacheUtil.GetLookupKey(lookupKeys);
_cache.Put(key, rows);
}