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java.lang.Object com.metamatrix.query.processor.relational.DependentValueSource
public class DependentValueSource
Constructor Summary | |
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DependentValueSource(TupleSourceID tupleSourceID,
BufferManager bm)
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Method Summary | |
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java.util.HashSet<java.lang.Object> |
getCachedSet(Expression valueExpression)
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TupleSourceID |
getTupleSourceID()
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ValueIterator |
getValueIterator(Expression valueExpression)
Attempt to obtain a ValueIterator from this source. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DependentValueSource(TupleSourceID tupleSourceID, BufferManager bm)
Method Detail |
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public TupleSourceID getTupleSourceID()
public ValueIterator getValueIterator(Expression valueExpression) throws MetaMatrixComponentException
ValueIteratorSource
getValueIterator
in interface ValueIteratorSource
valueExpression
- The expression we are retrieving an iterator for
MetaMatrixComponentException
TupleSourceNotFoundException
ValueIteratorSource.getValueIterator(com.metamatrix.query.sql.symbol.Expression)
public java.util.HashSet<java.lang.Object> getCachedSet(Expression valueExpression) throws MetaMatrixComponentException, MetaMatrixProcessingException
getCachedSet
in interface ValueIteratorSource
MetaMatrixComponentException
MetaMatrixProcessingException
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