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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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