Class UnionAllNode
- java.lang.Object
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- org.teiid.query.processor.relational.RelationalNode
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- org.teiid.query.processor.relational.UnionAllNode
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- All Implemented Interfaces:
Cloneable
,BatchCollector.BatchProducer
public class UnionAllNode extends RelationalNode
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Field Summary
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Fields inherited from class org.teiid.query.processor.relational.RelationalNode
childCount
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Constructor Summary
Constructors Constructor Description UnionAllNode(int nodeID)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Object
clone()
All the implementation of Cloneable interface need to implement clone() method.void
closeDirect()
void
initialize(CommandContext context, BufferManager bufferManager, ProcessorDataManager dataMgr)
TupleBatch
nextBatchDirect()
Template method for subclasses to implement.TupleBatch
nextBatchDirectInternal()
void
open()
void
openInternal()
void
reset()
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Methods inherited from class org.teiid.query.processor.relational.RelationalNode
addBatchRow, addChild, close, copyTo, createLookupMap, getBatchSize, getBuffer, getBufferDirect, getBufferManager, getChildCount, getChildren, getClassName, getConnectionID, getContext, getDataManager, getDescriptionProperties, getElements, getEstimateNodeCardinality, getID, getNodeStatistics, getNodeString, getOutputElements, getParent, getProjectionIndexes, hasBuffer, hasPendingRows, isBatchFull, isClosed, isLastBatch, nextBatch, nodeToString, projectTuple, projectTuple, pullBatch, requiresTransaction, setContext, setElements, setEstimateDepAccessCardinality, setEstimateDepJoinCost, setEstimateJoinCost, setEstimateNodeCardinality, setEstimateNodeSetSize, setID, setParent, terminateBatches, toString, unwrapException
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Method Detail
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reset
public void reset()
- Overrides:
reset
in classRelationalNode
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initialize
public void initialize(CommandContext context, BufferManager bufferManager, ProcessorDataManager dataMgr)
- Overrides:
initialize
in classRelationalNode
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open
public void open() throws TeiidComponentException, TeiidProcessingException
- Overrides:
open
in classRelationalNode
- Throws:
TeiidComponentException
TeiidProcessingException
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openInternal
public void openInternal() throws TeiidComponentException, TeiidProcessingException
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nextBatchDirect
public TupleBatch nextBatchDirect() throws BlockedException, TeiidComponentException, TeiidProcessingException
Description copied from class:RelationalNode
Template method for subclasses to implement.- Specified by:
nextBatchDirect
in classRelationalNode
- Returns:
- Throws:
BlockedException
TeiidComponentException
TeiidProcessingException
- if exception related to user input occured
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nextBatchDirectInternal
public TupleBatch nextBatchDirectInternal() throws BlockedException, TeiidComponentException, TeiidProcessingException
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closeDirect
public void closeDirect()
- Overrides:
closeDirect
in classRelationalNode
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clone
public Object clone()
Description copied from class:RelationalNode
All the implementation of Cloneable interface need to implement clone() method. The plan is only clonable in the pre-execution stage, not the execution state (things like program state, result sets, etc). It's only safe to call that method in between query processings, in other words, it's only safe to call clone() on a plan after nextTuple() returns null, meaning the plan has finished processing.- Specified by:
clone
in classRelationalNode
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