com.solarmetric.rd.kodo.query.exp
Class CompareExpression

java.lang.Object
  |
  +--com.solarmetric.rd.kodo.query.exp.InMemoryExpression
        |
        +--com.solarmetric.rd.kodo.query.exp.CompareExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

EqualExpression, GreaterThanEqualExpression, GreaterThanExpression, LessThanEqualExpression, LessThanExpression, NotEqualExpression

public abstract class CompareExpression

extends InMemoryExpression

Expression that compares two others.

Constructor Summary

CompareExpression(com.solarmetric.rd.kodo.query.exp.InMemoryValue val1, com.solarmetric.rd.kodo.query.exp.InMemoryValue val2)
Constructor.

Method Summary

protected abstract boolean	compare(java.lang.Object o1, java.lang.Object o2) Compare the two values.
protected boolean	eval(java.lang.Object candidate, java.lang.Object orig, com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm, java.util.Map params) Return the expressions to compare.

Methods inherited from class com.solarmetric.rd.kodo.query.exp.InMemoryExpression

evaluate, order

Methods inherited from class java.lang.Object

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

Constructor Detail

CompareExpression

public CompareExpression(com.solarmetric.rd.kodo.query.exp.InMemoryValue val1,
                         com.solarmetric.rd.kodo.query.exp.InMemoryValue val2)

Constructor. Supply values to compare.

Method Detail

eval

protected boolean eval(java.lang.Object candidate,
                       java.lang.Object orig,
                       com.solarmetric.rd.kodo.runtime.PersistenceManagerImpl pm,
                       java.util.Map params)

Return the expressions to compare.

Overrides:

eval in class InMemoryExpression

compare

protected abstract boolean compare(java.lang.Object o1,
                                   java.lang.Object o2)

Compare the two values.