org.teiid.query.processor.relational
Class SubqueryAwareEvaluator

java.lang.Object
  org.teiid.query.eval.Evaluator
      org.teiid.query.processor.relational.SubqueryAwareEvaluator

public class SubqueryAwareEvaluator
extends Evaluator

This utility handles the work of processing a subquery; certain types of processor nodes will use an instance of this class to do that work.

Nested Class Summary

class

SubqueryAwareEvaluator.SubqueryState

Nested classes/interfaces inherited from class org.teiid.query.eval.Evaluator

Evaluator.NameValuePair<T>

Field Summary

Fields inherited from class org.teiid.query.eval.Evaluator

context, dataMgr

Constructor Summary

SubqueryAwareEvaluator(java.util.Map elements, ProcessorDataManager dataMgr, CommandContext context, BufferManager manager)

Method Summary

void	close()
protected ValueIterator	evaluateSubquery(SubqueryContainer container, java.util.List tuple)
void	reset()

Methods inherited from class org.teiid.query.eval.Evaluator

compare, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluateTVL, evaluateXQuery, getInputStreamFactory, initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

SubqueryAwareEvaluator

public SubqueryAwareEvaluator(java.util.Map elements,
                              ProcessorDataManager dataMgr,
                              CommandContext context,
                              BufferManager manager)

Method Detail

reset

public void reset()

close

public void close()

evaluateSubquery

protected ValueIterator evaluateSubquery(SubqueryContainer container,
                                         java.util.List tuple)
                                  throws TeiidProcessingException,
                                         BlockedException,
                                         TeiidComponentException

Overrides:

evaluateSubquery in class Evaluator

Throws:

TeiidProcessingException

BlockedException

TeiidComponentException