org.teiid.query.processor.relational

Class DependentProcedureExecutionNode

java.lang.Object

org.teiid.query.processor.relational.RelationalNode

org.teiid.query.processor.relational.PlanExecutionNode

org.teiid.query.processor.relational.DependentProcedureExecutionNode

All Implemented Interfaces:

Cloneable, BatchCollector.BatchProducer

public class DependentProcedureExecutionNode
extends PlanExecutionNode

Field Summary

Fields inherited from class org.teiid.query.processor.relational.RelationalNode

childCount

Constructor Summary

Constructors

Constructor and Description
DependentProcedureExecutionNode(int nodeID, Criteria crit, List references, List defaults)

Method Summary

Modifier and Type	Method and Description
Object	clone() All the implementation of Cloneable interface need to implement clone() method.
void	closeDirect()
Criteria	getInputCriteria()
protected boolean	hasNextCommand()
void	open()
protected boolean	prepareNextCommand()
Boolean	requiresTransaction(boolean transactionalReads)
void	reset()
static void	shareVariableContext(RelationalNode node, CommandContext context)

Methods inherited from class org.teiid.query.processor.relational.PlanExecutionNode

copyTo, getDescriptionProperties, getNodeString, getProcessorPlan, nextBatchDirect, openPlanImmediately, setProcessorPlan

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, getElements, getEstimateNodeCardinality, getID, getNodeStatistics, getOutputElements, getParent, getProjectionIndexes, hasBuffer, hasPendingRows, initialize, isBatchFull, isClosed, isLastBatch, nextBatch, nodeToString, projectTuple, projectTuple, pullBatch, setContext, setElements, setEstimateDepAccessCardinality, setEstimateDepJoinCost, setEstimateJoinCost, setEstimateNodeCardinality, setEstimateNodeSetSize, setID, setParent, terminateBatches, toString, unwrapException

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DependentProcedureExecutionNode

public DependentProcedureExecutionNode(int nodeID,
                                       Criteria crit,
                                       List references,
                                       List defaults)

Method Detail

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.

Overrides:

clone in class PlanExecutionNode

See Also:

PlanExecutionNode.clone()

reset

public void reset()

Overrides:

reset in class PlanExecutionNode

closeDirect

public void closeDirect()

Overrides:

closeDirect in class PlanExecutionNode

prepareNextCommand

protected boolean prepareNextCommand()
                              throws BlockedException,
                                     TeiidComponentException,
                                     TeiidProcessingException

Overrides:

prepareNextCommand in class PlanExecutionNode

Throws:

BlockedException

TeiidComponentException

TeiidProcessingException

See Also:

PlanExecutionNode.prepareNextCommand()

hasNextCommand

protected boolean hasNextCommand()

Overrides:

hasNextCommand in class PlanExecutionNode

See Also:

PlanExecutionNode.hasNextCommand()

getInputCriteria

public Criteria getInputCriteria()

Returns:

Returns the inputCriteria.

open

public void open()
          throws TeiidComponentException,
                 TeiidProcessingException

Overrides:

open in class PlanExecutionNode

Throws:

TeiidComponentException

TeiidProcessingException

shareVariableContext

public static void shareVariableContext(RelationalNode node,
                                        CommandContext context)

requiresTransaction

public Boolean requiresTransaction(boolean transactionalReads)

Overrides:

requiresTransaction in class PlanExecutionNode

Returns:

true if required, false if not required, and null if a single source command is issued and a transaction may be needed.