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java.lang.Objectorg.castor.cpa.persistence.sql.query.QueryObject
org.castor.cpa.persistence.sql.query.condition.Condition
org.castor.cpa.persistence.sql.query.condition.Predicate
public abstract class Predicate
Abstract base class for all predicates.
Constructor Summary | |
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protected |
Predicate(Expression expression,
boolean evaluateTo)
Construct a predicate with given expression. |
Method Summary | |
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boolean |
evaluateTo()
Returns if the predicate should evaluate to true or false . |
Expression |
expression()
Expression to apply the predicate to. |
Condition |
not()
Builder method to invert a condition. |
Methods inherited from class org.castor.cpa.persistence.sql.query.condition.Condition |
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and, or |
Methods inherited from class org.castor.cpa.persistence.sql.query.QueryObject |
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toString, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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protected Predicate(Expression expression, boolean evaluateTo)
expression
- Expression to apply the predicate to.evaluateTo
- What is the expected result of the evaluation?Method Detail |
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public final Expression expression()
public final boolean evaluateTo()
true
or false
.
true
if the predicate should evaluate to true
,
false
otherwise.public final Condition not()
Condition
not
in class Condition
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