Package org.datanucleus.flush
Class CollectionClearOperation
- java.lang.Object
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- org.datanucleus.flush.CollectionClearOperation
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- All Implemented Interfaces:
Operation
,SCOOperation
public class CollectionClearOperation extends Object implements SCOOperation
Clear operation for a collection where we have a backing store.
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Constructor Summary
Constructors Constructor Description CollectionClearOperation(ObjectProvider op, int fieldNum)
CollectionClearOperation(ObjectProvider op, CollectionStore store)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description AbstractMemberMetaData
getMemberMetaData()
Accessor for the metadata for the member that this operation is for.ObjectProvider
getObjectProvider()
Accessor for the ObjectProvider of the object that this operation is performed on.Store
getStore()
Accessor for the backing store for this operation.void
perform()
Perform the clear() operation on the specified backing store.String
toString()
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Constructor Detail
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CollectionClearOperation
public CollectionClearOperation(ObjectProvider op, CollectionStore store)
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CollectionClearOperation
public CollectionClearOperation(ObjectProvider op, int fieldNum)
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Method Detail
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getMemberMetaData
public AbstractMemberMetaData getMemberMetaData()
Description copied from interface:SCOOperation
Accessor for the metadata for the member that this operation is for.- Specified by:
getMemberMetaData
in interfaceSCOOperation
- Returns:
- The member metadata
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perform
public void perform()
Perform the clear() operation on the specified backing store.
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getStore
public Store getStore()
Description copied from interface:SCOOperation
Accessor for the backing store for this operation.- Specified by:
getStore
in interfaceSCOOperation
- Returns:
- The backing store
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getObjectProvider
public ObjectProvider getObjectProvider()
Description copied from interface:Operation
Accessor for the ObjectProvider of the object that this operation is performed on.- Specified by:
getObjectProvider
in interfaceOperation
- Returns:
- The ObjectProvider
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