public class MergeConstantAction extends java.lang.Object implements ConstantAction, Formatable
Modifier and Type | Field and Description |
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private MatchingClauseConstantAction[] |
_matchingClauses |
private static int |
FIRST_VERSION
Serial version produced by the serialver utility.
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WHEN_MATCHED_THEN_DELETE, WHEN_MATCHED_THEN_UPDATE, WHEN_NOT_MATCHED_THEN_INSERT
Constructor and Description |
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MergeConstantAction()
0-arg constructor needed by Formatable machinery
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MergeConstantAction(ConstantAction[] matchingClauses)
Construct from thin air.
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Modifier and Type | Method and Description |
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void |
executeConstantAction(Activation activation)
Run the ConstantAction.
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MatchingClauseConstantAction |
getMatchingClause(int idx)
Get the ith (0-based) matching clause
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int |
getTypeFormatId()
Get the formatID which corresponds to this class.
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int |
matchingClauseCount()
Get the number of matching clauses
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void |
readExternal(java.io.ObjectInput in)
Read this object from a stream of stored objects.
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void |
writeExternal(java.io.ObjectOutput out)
Write this object to a stream of stored objects.
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private static final int FIRST_VERSION
private MatchingClauseConstantAction[] _matchingClauses
public MergeConstantAction()
public MergeConstantAction(ConstantAction[] matchingClauses)
matchingClauses
- Constant actions for WHEN [ NOT ] MATCHED clauses.public int matchingClauseCount()
public MatchingClauseConstantAction getMatchingClause(int idx)
public void executeConstantAction(Activation activation) throws StandardException
ConstantAction
executeConstantAction
in interface ConstantAction
activation
- The execution environment for this constant action.StandardException
- Thrown on failurepublic void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
readExternal
in interface java.io.Externalizable
in
- read this.java.io.IOException
- thrown on errorjava.lang.ClassNotFoundException
- thrown on errorpublic void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
writeExternal
in interface java.io.Externalizable
out
- write bytes here.java.io.IOException
- thrown on errorpublic int getTypeFormatId()
getTypeFormatId
in interface TypedFormat
Apache Derby V10.13 Internals - Copyright © 2004,2016 The Apache Software Foundation. All Rights Reserved.