/// <summary>
/// Determines whether the specified command definition can be cached.
/// </summary>
/// <param name="commandDefinition">The command definition.</param>
/// <returns>
/// A value of <c>true</c> if the specified command definition can be cached; otherwise, <c>false</c>.
/// </returns>
protected internal override bool CanBeCached(EFCachingCommandDefinition commandDefinition)
{
if (commandDefinition == null)
{
throw new ArgumentNullException("commandDefinition");
}
// check if we have any non-cacheable tables in the query
if (this.NonCacheableTables.Count > 0)
{
foreach (EntitySetBase esb in commandDefinition.AffectedEntitySets)
{
if (this.NonCacheableTables.Contains(esb.Name))
{
return false;
}
}
}
// by default everything is cacheable
if (this.CacheableTables.Count == 0)
{
return true;
}
else
{
// unless the user has explicitly specified which tables to cache
foreach (EntitySetBase esb in commandDefinition.AffectedEntitySets)
{
if (!this.CacheableTables.Contains(esb.Name))
{
return false;
}
}
return true;
}
}
/// <summary>
/// Determines whether the specified command definition can be cached.
/// </summary>
/// <param name="commandDefinition">The command definition.</param>
/// <returns>
/// A value of <c>true</c> if the specified command definition can be cached; otherwise, <c>false</c>.
/// </returns>
protected internal override bool CanBeCached(EFCachingCommandDefinition commandDefinition)
{
if (commandDefinition == null)
{
throw new ArgumentNullException("commandDefinition");
}
// check if we have any non-cacheable tables in the query
if (this.NonCacheableTables.Count > 0)
{
foreach (EntitySetBase esb in commandDefinition.AffectedEntitySets)
{
if (this.NonCacheableTables.Contains(esb.Name))
{
return(false);
}
}
}
// by default everything is cacheable
if (this.CacheableTables.Count == 0)
{
return(true);
}
else
{
// unless the user has explicitly specified which tables to cache
foreach (EntitySetBase esb in commandDefinition.AffectedEntitySets)
{
if (!this.CacheableTables.Contains(esb.Name))
{
return(false);
}
}
return(true);
}
}
/// <summary>
/// Gets the minimum and maximum number cacheable rows for a given command definition.
/// </summary>
/// <param name="cachingCommandDefinition">The command definition.</param>
/// <param name="minCacheableRows">The minimum number of cacheable rows.</param>
/// <param name="maxCacheableRows">The maximum number of cacheable rows.</param>
protected internal override void GetCacheableRows(EFCachingCommandDefinition cachingCommandDefinition, out int minCacheableRows, out int maxCacheableRows)
{
minCacheableRows = 0;
maxCacheableRows = -1;
}
/// <summary>
/// Determines whether the specified command definition can be cached.
/// </summary>
/// <param name="commandDefinition">The command definition.</param>
/// <returns>
/// A value of <c>true</c> if the specified command definition can be cached; otherwise, <c>false</c>.
/// </returns>
protected internal override bool CanBeCached(EFCachingCommandDefinition commandDefinition)
{
return false;
}
/// <summary>
/// Gets the expiration timeout for a given command definition.
/// </summary>
/// <param name="cachingCommandDefinition">The command definition.</param>
/// <param name="slidingExpiration">The sliding expiration time.</param>
/// <param name="absoluteExpiration">The absolute expiration time.</param>
protected internal virtual void GetExpirationTimeout(EFCachingCommandDefinition cachingCommandDefinition, out TimeSpan slidingExpiration, out DateTime absoluteExpiration)
{
slidingExpiration = TimeSpan.Zero;
absoluteExpiration = DateTime.MaxValue;
}
/// <summary> /// Gets the minimum and maximum number cacheable rows for a given command definition. /// </summary> /// <param name="cachingCommandDefinition">The command definition.</param> /// <param name="minCacheableRows">The minimum number of cacheable rows.</param> /// <param name="maxCacheableRows">The maximum number of cacheable rows.</param> protected internal abstract void GetCacheableRows(EFCachingCommandDefinition cachingCommandDefinition, out int minCacheableRows, out int maxCacheableRows);
/// <summary> /// Determines whether the specified command definition can be cached. /// </summary> /// <param name="commandDefinition">The command definition.</param> /// <returns> /// A value of <c>true</c> if the specified command definition can be cached; otherwise, <c>false</c>. /// </returns> protected internal abstract bool CanBeCached(EFCachingCommandDefinition commandDefinition);
/// <summary>
/// Initializes a new instance of the DbCommandWrapperExtended class.
/// </summary>
/// <param name="wrappedCommand">The wrapped command.</param>
/// <param name="definition">The command definition.</param>
public DbCommandWrapperExtended(System.Data.Common.DbCommand wrappedCommand, EFCachingCommandDefinition definition)
: base(wrappedCommand, definition)
{
}
/// <summary>
/// Gets the minimum and maximum number cacheable rows for a given command definition.
/// </summary>
/// <param name="cachingCommandDefinition">The command definition.</param>
/// <param name="minCacheableRows">The minimum number of cacheable rows.</param>
/// <param name="maxCacheableRows">The maximum number of cacheable rows.</param>
protected internal override void GetCacheableRows(EFCachingCommandDefinition cachingCommandDefinition, out int minCacheableRows, out int maxCacheableRows)
{
minCacheableRows = this.MinCacheableRows;
maxCacheableRows = this.MaxCacheableRows;
}
/// <summary>
/// Initializes a new instance of the <see cref="DbCommandWrapper"/> class.
/// </summary>
/// <param name="wrappedCommand">The wrapped command.</param>
/// <param name="definition">The definition.</param>
public DbCommandWrapper(System.Data.Common.DbCommand wrappedCommand, EFCachingCommandDefinition definition)
{
this.wrappedCommand = wrappedCommand;
this.definition = definition;
}
/// <summary>
/// Determines whether the specified command definition can be cached.
/// </summary>
/// <param name="commandDefinition">The command definition.</param>
/// <returns>
/// A value of <c>true</c> if the specified command definition can be cached; otherwise, <c>false</c>.
/// </returns>
protected internal override bool CanBeCached(EFCachingCommandDefinition commandDefinition)
{
return(false);
}
/// <summary>
/// Gets the expiration timeout for a given command definition.
/// </summary>
/// <param name="cachingCommandDefinition">The command definition.</param>
/// <param name="slidingExpiration">The sliding expiration time.</param>
/// <param name="absoluteExpiration">The absolute expiration time.</param>
protected internal virtual void GetExpirationTimeout(EFCachingCommandDefinition cachingCommandDefinition, out TimeSpan slidingExpiration, out DateTime absoluteExpiration)
{
slidingExpiration = TimeSpan.Zero;
absoluteExpiration = DateTime.MaxValue;
}
/// <summary> /// Gets the minimum and maximum number cacheable rows for a given command definition. /// </summary> /// <param name="cachingCommandDefinition">The command definition.</param> /// <param name="minCacheableRows">The minimum number of cacheable rows.</param> /// <param name="maxCacheableRows">The maximum number of cacheable rows.</param> protected internal abstract void GetCacheableRows(EFCachingCommandDefinition cachingCommandDefinition, out int minCacheableRows, out int maxCacheableRows);
/// <summary> /// Determines whether the specified command definition can be cached. /// </summary> /// <param name="commandDefinition">The command definition.</param> /// <returns> /// A value of <c>true</c> if the specified command definition can be cached; otherwise, <c>false</c>. /// </returns> protected internal abstract bool CanBeCached(EFCachingCommandDefinition commandDefinition);
/// <summary>
/// Gets the minimum and maximum number cacheable rows for a given command definition.
/// </summary>
/// <param name="cachingCommandDefinition">The command definition.</param>
/// <param name="minCacheableRows">The minimum number of cacheable rows.</param>
/// <param name="maxCacheableRows">The maximum number of cacheable rows.</param>
protected internal override void GetCacheableRows(EFCachingCommandDefinition cachingCommandDefinition, out int minCacheableRows, out int maxCacheableRows)
{
minCacheableRows = 0;
maxCacheableRows = Int32.MaxValue;
}
