org.apache.openjpa.persistence.criteria
Class CompareByExample<T>
java.lang.Object
   org.apache.openjpa.persistence.criteria.SelectionImpl<X>
org.apache.openjpa.persistence.criteria.SelectionImpl<X>
       org.apache.openjpa.persistence.criteria.ExpressionImpl<Boolean>
org.apache.openjpa.persistence.criteria.ExpressionImpl<Boolean>
           org.apache.openjpa.persistence.criteria.PredicateImpl
org.apache.openjpa.persistence.criteria.PredicateImpl
               org.apache.openjpa.persistence.criteria.CompareByExample<T>
org.apache.openjpa.persistence.criteria.CompareByExample<T>
- All Implemented Interfaces: 
- Expression<Boolean>, Predicate, Selection<Boolean>, TupleElement<Boolean>, CriteriaExpression
-  class CompareByExample<T> 
- extends PredicateImpl
An expression for query-by-example.
- Author:
- Pinaki Poddar
 
 
 
 
 
 
 
| Methods inherited from class org.apache.openjpa.persistence.criteria.PredicateImpl | 
| acceptVisit, add, asValue, getExpressions, getOperator, isEmpty, isNegated, markNegated, not, toKernelExpression, toValue | 
 
 
| Methods inherited from class org.apache.openjpa.persistence.criteria.SelectionImpl | 
| alias, asProjection, assertValidName, asVariable, getAlias, getCompoundSelectionItems, getJavaType, isAliased, isAutoAliased, isCompoundSelection, setAutoAlias | 
 
| Methods inherited from class java.lang.Object | 
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
 
 
 
 
CompareByExample
CompareByExample(CriteriaBuilder builder,
                 ManagedType<T> type,
                 Path<T> from,
                 T instance,
                 ComparisonStyle style,
                 Attribute<?,?>... excludes)
extractValue
Object extractValue(T instance,
                    SingularAttribute<? super T,?> attr)
- 
 
isDefaultValue
boolean isDefaultValue(Class<?> cls,
                       Object val)
- 
 
extractOperator
static <T> Predicate.BooleanOperator extractOperator(ComparisonStyle style)
- 
 
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