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java.lang.Objectorg.apache.openjpa.kernel.exps.Exp
org.apache.openjpa.kernel.exps.CompareExpression
abstract class CompareExpression
Expression that compares two others.
| Constructor Summary | |
|---|---|
| CompareExpression(Val val1,
                  Val val2)Constructor. | |
| Method Summary | |
|---|---|
|  void | acceptVisit(ExpressionVisitor visitor)Accept a visit from a tree visitor. | 
| protected abstract  boolean | compare(Object o1,
        Object o2)Compare the two values. | 
| protected  boolean | eval(Collection candidates,
     StoreContext ctx,
     Object[] params)Evaluate the expression for the given group. | 
| protected  boolean | eval(Object candidate,
     Object orig,
     StoreContext ctx,
     Object[] params)Evaluate the expression for the given context candidate and original candidate. | 
| Methods inherited from class org.apache.openjpa.kernel.exps.Exp | 
|---|
| evaluate, evaluate | 
| Methods inherited from class java.lang.Object | 
|---|
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
| Constructor Detail | 
|---|
public CompareExpression(Val val1,
                         Val val2)
| Method Detail | 
|---|
protected boolean eval(Object candidate,
                       Object orig,
                       StoreContext ctx,
                       Object[] params)
Exp
eval in class Exp
protected boolean eval(Collection candidates,
                       StoreContext ctx,
                       Object[] params)
Exp
eval in class Exp
protected abstract boolean compare(Object o1,
                                   Object o2)
public void acceptVisit(ExpressionVisitor visitor)
Expression
acceptVisit in interface ExpressionacceptVisit in class Exp| 
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