- java.lang.Object
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- org.datanucleus.flush.MapRemoveOperation<K,V>
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- All Implemented Interfaces:
Operation
,SCOOperation
public class MapRemoveOperation<K,V> 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(DNStateManager sm, int fieldNum, K key, V val)
MapRemoveOperation(DNStateManager sm, MapStore store, K key, V 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.DNStateManager
getStateManager()
Accessor for StateManager 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(DNStateManager sm, MapStore store, K key, V val)
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MapRemoveOperation
public MapRemoveOperation(DNStateManager sm, int fieldNum, K key, V 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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getStateManager
public DNStateManager getStateManager()
Description copied from interface:Operation
Accessor for StateManager of the object that this operation is performed on.- Specified by:
getStateManager
in interfaceOperation
- Returns:
- StateManager
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