Package com.ibm.wala.dataflow.graph

Class AbstractMeetOperator<T extends IVariable<T>>

java.lang.Object

com.ibm.wala.fixpoint.AbstractOperator<T>

com.ibm.wala.dataflow.graph.AbstractMeetOperator<T>

All Implemented Interfaces:

FixedPointConstants

Direct Known Subclasses:

BitVectorIntersection, BitVectorUnion, BooleanUnion

public abstract class AbstractMeetOperator<T extends IVariable<T>>
extends AbstractOperator<T>

Abstract superclass for meet operators

Field Summary

Fields inherited from interface com.ibm.wala.fixpoint.FixedPointConstants

CHANGED, CHANGED_AND_FIXED, CHANGED_MASK, FIXED_MASK, NOT_CHANGED, NOT_CHANGED_AND_FIXED, SIDE_EFFECT_MASK

Constructor Summary

Constructors

Constructor	Description
AbstractMeetOperator()

Method Summary

Modifier and Type	Method	Description
boolean	isUnaryNoOp()	subclasses can override if needed

Methods inherited from class com.ibm.wala.fixpoint.AbstractOperator

equals, evaluate, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

AbstractMeetOperator

public AbstractMeetOperator()

Method Details

isUnaryNoOp

public boolean isUnaryNoOp()

subclasses can override if needed

Returns:

true iff this meet is a noop when applied to one argument