Package org.datanucleus.flush
Class MapRemoveOperation
- java.lang.Object
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- org.datanucleus.flush.MapRemoveOperation
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- All Implemented Interfaces:
Operation
,SCOOperation
public class MapRemoveOperation extends Object implements SCOOperation
Remove operation for a map where we have a backing store.
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Constructor Summary
Constructors Constructor Description MapRemoveOperation(ObjectProvider op, int fieldNum, Object key, Object val)
MapRemoveOperation(ObjectProvider op, MapStore store, Object key, Object val)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Object
getKey()
Accessor for the key being removed.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.Object
getValue()
Accessor for the value being removed for this key (if known).void
perform()
Perform the remove(Object) operation on the specified container.String
toString()
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Constructor Detail
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MapRemoveOperation
public MapRemoveOperation(ObjectProvider op, MapStore store, Object key, Object val)
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MapRemoveOperation
public MapRemoveOperation(ObjectProvider op, int fieldNum, Object key, Object val)
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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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getKey
public Object getKey()
Accessor for the key being removed.- Returns:
- Key being removed
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getValue
public Object getValue()
Accessor for the value being removed for this key (if known).- Returns:
- Value being removed if known
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perform
public void perform()
Perform the remove(Object) operation on the specified container.
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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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