org.apache.openjpa.persistence.criteria
Class Expressions.Size
java.lang.Object
org.apache.openjpa.persistence.criteria.SelectionImpl<X>
org.apache.openjpa.persistence.criteria.ExpressionImpl<X>
org.apache.openjpa.persistence.criteria.Expressions.UnaryFunctionalExpression<Integer>
org.apache.openjpa.persistence.criteria.Expressions.Size
- All Implemented Interfaces:
- Expression<Integer>, Selection<Integer>, TupleElement<Integer>, CriteriaExpression
- Enclosing class:
- Expressions
public static class Expressions.Size
- extends Expressions.UnaryFunctionalExpression<Integer>
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 |
Expressions.Size
public Expressions.Size(Expression<? extends Collection<?>> x)
Expressions.Size
public Expressions.Size(Collection<?> x)
toValue
public Value toValue(ExpressionFactory factory,
CriteriaQueryImpl<?> q)
- Description copied from class:
ExpressionImpl
- Bridge contract to convert this facade expression to a kernel value.
- Specified by:
toValue
in class ExpressionImpl<Integer>
- Parameters:
factory
- creates the kernel expressionq
- the query definition context of this expression
- Returns:
- an equivalent kernel value
asValue
public StringBuilder asValue(AliasContext q)
- Description copied from interface:
CriteriaExpression
- Get a string representation of this node as a value in the context of the given query.
- Specified by:
asValue
in interface CriteriaExpression
- Overrides:
asValue
in class SelectionImpl<Integer>
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