org.hibernate.ejb.criteria.expression
Class ExpressionImpl<T>

java.lang.Object
  extended by org.hibernate.ejb.criteria.AbstractNode
      extended by org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
          extended by org.hibernate.ejb.criteria.expression.SelectionImpl<T>
              extended by org.hibernate.ejb.criteria.expression.ExpressionImpl<T>
All Implemented Interfaces:
Serializable, Expression<T>, Selection<T>, TupleElement<T>, ExpressionImplementor<T>, ParameterContainer, Renderable, SelectionImplementor<T>, TupleElementImplementor<T>
Direct Known Subclasses:
AbstractPathImpl, AbstractPredicateImpl, BasicFunctionExpression, BinaryArithmeticOperation, CoalesceExpression, ConcatExpression, CriteriaSubqueryImpl, EntityTypeExpression, ListIndexExpression, LiteralExpression, MapEntryExpression, NullifExpression, NullLiteralExpression, ParameterExpressionImpl, PathTypeExpression, SearchedCaseExpression, SimpleCaseExpression, SizeOfCollectionExpression, SubqueryComparisonModifierExpression, UnaryArithmeticOperation

public abstract class ExpressionImpl<T>
extends SelectionImpl<T>
implements ExpressionImplementor<T>, Serializable

Models an expression in the criteria query language.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from interface org.hibernate.ejb.criteria.ParameterContainer
ParameterContainer.Helper
 
Constructor Summary
ExpressionImpl(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType)
           
 
Method Summary
<X> Expression<X>
as(Class<X> type)
          
 ExpressionImplementor<BigDecimal> asBigDecimal()
          See CriteriaBuilder.toBigDecimal(javax.persistence.criteria.Expression)
 ExpressionImplementor<BigInteger> asBigInteger()
          See CriteriaBuilder.toBigInteger(javax.persistence.criteria.Expression)
 ExpressionImplementor<Double> asDouble()
          See CriteriaBuilder.toDouble(javax.persistence.criteria.Expression)
 ExpressionImplementor<Float> asFloat()
          See CriteriaBuilder.toFloat(javax.persistence.criteria.Expression)
 ExpressionImplementor<Integer> asInteger()
          See CriteriaBuilder.toInteger(javax.persistence.criteria.Expression)
 ExpressionImplementor<Long> asLong()
          See CriteriaBuilder.toLong(javax.persistence.criteria.Expression)
 ExpressionImplementor<String> asString()
          See CriteriaBuilder.toString(javax.persistence.criteria.Expression)
 Predicate in(Collection<?> values)
          
 Predicate in(Expression<?>... values)
          
 Predicate in(Expression<Collection<?>> values)
          
 Predicate in(Object... values)
          
 Predicate isNotNull()
          
 Predicate isNull()
          
 
Methods inherited from class org.hibernate.ejb.criteria.expression.SelectionImpl
alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection
 
Methods inherited from class org.hibernate.ejb.criteria.expression.AbstractTupleElement
forceConversion, getAlias, getJavaType, getValueHandler, resetJavaType, setAlias
 
Methods inherited from class org.hibernate.ejb.criteria.AbstractNode
criteriaBuilder
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.hibernate.ejb.criteria.SelectionImplementor
getValueHandlers
 
Methods inherited from interface org.hibernate.ejb.criteria.TupleElementImplementor
getValueHandler
 
Methods inherited from interface javax.persistence.criteria.Selection
alias, getCompoundSelectionItems, isCompoundSelection
 
Methods inherited from interface javax.persistence.TupleElement
getAlias, getJavaType
 
Methods inherited from interface org.hibernate.ejb.criteria.Renderable
render, renderProjection
 
Methods inherited from interface org.hibernate.ejb.criteria.ParameterContainer
registerParameters
 

Constructor Detail

ExpressionImpl

public ExpressionImpl(CriteriaBuilderImpl criteriaBuilder,
                      Class<T> javaType)
Method Detail

as

public <X> Expression<X> as(Class<X> type)

Specified by:
as in interface Expression<T>

isNull

public Predicate isNull()

Specified by:
isNull in interface Expression<T>

isNotNull

public Predicate isNotNull()

Specified by:
isNotNull in interface Expression<T>

in

public Predicate in(Object... values)

Specified by:
in in interface Expression<T>

in

public Predicate in(Expression<?>... values)

Specified by:
in in interface Expression<T>

in

public Predicate in(Collection<?> values)

Specified by:
in in interface Expression<T>

in

public Predicate in(Expression<Collection<?>> values)

Specified by:
in in interface Expression<T>

asLong

public ExpressionImplementor<Long> asLong()
See CriteriaBuilder.toLong(javax.persistence.criteria.Expression)

Specified by:
asLong in interface ExpressionImplementor<T>
Returns:
this but as a long

asInteger

public ExpressionImplementor<Integer> asInteger()
See CriteriaBuilder.toInteger(javax.persistence.criteria.Expression)

Specified by:
asInteger in interface ExpressionImplementor<T>
Returns:
this but as an integer

asFloat

public ExpressionImplementor<Float> asFloat()
See CriteriaBuilder.toFloat(javax.persistence.criteria.Expression)

Specified by:
asFloat in interface ExpressionImplementor<T>
Returns:
this but as a float

asDouble

public ExpressionImplementor<Double> asDouble()
See CriteriaBuilder.toDouble(javax.persistence.criteria.Expression)

Specified by:
asDouble in interface ExpressionImplementor<T>
Returns:
this but as a double

asBigDecimal

public ExpressionImplementor<BigDecimal> asBigDecimal()
See CriteriaBuilder.toBigDecimal(javax.persistence.criteria.Expression)

Specified by:
asBigDecimal in interface ExpressionImplementor<T>
Returns:
this but as a BigDecimal

asBigInteger

public ExpressionImplementor<BigInteger> asBigInteger()
See CriteriaBuilder.toBigInteger(javax.persistence.criteria.Expression)

Specified by:
asBigInteger in interface ExpressionImplementor<T>
Returns:
this but as a BigInteger

asString

public ExpressionImplementor<String> asString()
See CriteriaBuilder.toString(javax.persistence.criteria.Expression)

Specified by:
asString in interface ExpressionImplementor<T>
Returns:
this but as a string


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