org.cumulus4j.store.query.method
Class MapContainsKeyEvaluator

java.lang.Object
  org.cumulus4j.store.query.method.AbstractMethodEvaluator
      org.cumulus4j.store.query.method.MapContainsKeyEvaluator

All Implemented Interfaces:

MethodEvaluator

public class MapContainsKeyEvaluator
extends AbstractMethodEvaluator

Evaluator for "Map.containsKey(key)".

Field Summary

Fields inherited from class org.cumulus4j.store.query.method.AbstractMethodEvaluator

compareToArgument

Constructor Summary

MapContainsKeyEvaluator()

Method Summary

Set<Long>

evaluate(QueryEvaluator queryEval, InvokeExpressionEvaluator invokeExprEval, Expression invokedExpr, ResultDescriptor resultDesc) Method to evaluate the provided method invocation invoking on a PrimaryExpression.

Methods inherited from class org.cumulus4j.store.query.method.AbstractMethodEvaluator

requiresComparisonArgument, setCompareToArgument

Methods inherited from class java.lang.Object

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

Constructor Detail

MapContainsKeyEvaluator

public MapContainsKeyEvaluator()

Method Detail

evaluate

public Set<Long> evaluate(QueryEvaluator queryEval,
                          InvokeExpressionEvaluator invokeExprEval,
                          Expression invokedExpr,
                          ResultDescriptor resultDesc)

Description copied from interface: MethodEvaluator

Method to evaluate the provided method invocation invoking on a PrimaryExpression.

Parameters:

queryEval - Query evaluator

invokeExprEval - Evaluator for the InvokeExpression that this is processing

invokedExpr - Expression on which we are invoking the method

resultDesc - Result descriptor

Returns:

those dataEntryIDs that match the query criteria for the specified resultSymbol or null, if the symbol is not supported