com.espertech.esper.epl.table.strategy
Class ExprTableEvalStrategyGroupByBase

java.lang.Object
  com.espertech.esper.epl.table.strategy.ExprTableEvalStrategyGroupByBase

Direct Known Subclasses:

ExprTableEvalStrategyGroupByAccessBase, ExprTableEvalStrategyGroupByKeys, ExprTableEvalStrategyGroupByMethodBase, ExprTableEvalStrategyGroupByPropBase, ExprTableEvalStrategyGroupByTopLevelBase

public abstract class ExprTableEvalStrategyGroupByBase
extends java.lang.Object

Field Summary

protected java.util.Map<java.lang.Object,ObjectArrayBackedEventBean>

aggregationState

Constructor Summary

protected

ExprTableEvalStrategyGroupByBase(java.util.concurrent.locks.Lock lock, java.util.Map<java.lang.Object,ObjectArrayBackedEventBean> aggregationState)

Method Summary

protected void	lockTableRead(ExprEvaluatorContext context)
protected ObjectArrayBackedEventBean	lockTableReadAndGet(java.lang.Object group, ExprEvaluatorContext context)

Methods inherited from class java.lang.Object

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

Field Detail

aggregationState

protected final java.util.Map<java.lang.Object,ObjectArrayBackedEventBean> aggregationState

Constructor Detail

ExprTableEvalStrategyGroupByBase

protected ExprTableEvalStrategyGroupByBase(java.util.concurrent.locks.Lock lock,
                                           java.util.Map<java.lang.Object,ObjectArrayBackedEventBean> aggregationState)

Method Detail

lockTableReadAndGet

protected ObjectArrayBackedEventBean lockTableReadAndGet(java.lang.Object group,
                                                         ExprEvaluatorContext context)

lockTableRead

protected void lockTableRead(ExprEvaluatorContext context)