程序包 org.hibernate.query.criteria.internal.expression

类 ExpressionImpl<T>

java.lang.Object

org.hibernate.query.criteria.internal.AbstractNode

org.hibernate.query.criteria.internal.expression.AbstractTupleElement<X>

org.hibernate.query.criteria.internal.expression.SelectionImpl<T>

org.hibernate.query.criteria.internal.expression.ExpressionImpl<T>

所有已实现的接口:

Serializable, javax.persistence.criteria.Expression<T>, javax.persistence.criteria.Selection<T>, javax.persistence.TupleElement<T>, ExpressionImplementor<T>, ParameterContainer, Renderable, SelectionImplementor<T>, TupleElementImplementor<T>

直接已知子类:

AbstractPathImpl, AbstractPredicateImpl, BasicFunctionExpression, BinaryArithmeticOperation, CoalesceExpression, ConcatExpression, CriteriaSubqueryImpl, DelegatedExpressionImpl, EntityTypeExpression, ListIndexExpression, LiteralExpression, MapEntryExpression, NegatedPredicateWrapper, NullifExpression, NullLiteralExpression, ParameterExpressionImpl, PathTypeExpression, SearchedCaseExpression, SimpleCaseExpression, SizeOfPluralAttributeExpression, SubqueryComparisonModifierExpression, UnaryArithmeticOperation

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

Models an expression in the criteria query language.

作者:

Steve Ebersole

另请参阅:

序列化表格

嵌套类概要

从接口继承的嵌套类/接口 org.hibernate.query.criteria.internal.ParameterContainer

ParameterContainer.Helper

构造器概要

构造器

构造器	说明
ExpressionImpl(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType)

方法概要

修饰符和类型	方法	说明
<X> javax.persistence.criteria.Expression<X>	as(Class<X> type)
ExpressionImplementor<BigDecimal>	asBigDecimal()	See CriteriaBuilder.toBigDecimal(javax.persistence.criteria.Expression<? extends java.lang.Number>)
ExpressionImplementor<BigInteger>	asBigInteger()	See CriteriaBuilder.toBigInteger(javax.persistence.criteria.Expression<? extends java.lang.Number>)
ExpressionImplementor<Double>	asDouble()	See CriteriaBuilder.toDouble(javax.persistence.criteria.Expression<? extends java.lang.Number>)
ExpressionImplementor<Float>	asFloat()	See CriteriaBuilder.toFloat(javax.persistence.criteria.Expression<? extends java.lang.Number>)
ExpressionImplementor<Integer>	asInteger()	See CriteriaBuilder.toInteger(javax.persistence.criteria.Expression<? extends java.lang.Number>)
ExpressionImplementor<Long>	asLong()	See CriteriaBuilder.toLong(javax.persistence.criteria.Expression<? extends java.lang.Number>)
ExpressionImplementor<String>	asString()	See CriteriaBuilder.toString(javax.persistence.criteria.Expression<java.lang.Character>)
javax.persistence.criteria.Predicate	in(Object... values)
javax.persistence.criteria.Predicate	in(Collection<?> values)
javax.persistence.criteria.Predicate	in(javax.persistence.criteria.Expression<?>... values)
javax.persistence.criteria.Predicate	in(javax.persistence.criteria.Expression<Collection<?>> values)
javax.persistence.criteria.Predicate	isNotNull()
javax.persistence.criteria.Predicate	isNull()

从类继承的方法 org.hibernate.query.criteria.internal.expression.SelectionImpl

alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection

从类继承的方法 org.hibernate.query.criteria.internal.expression.AbstractTupleElement

forceConversion, getAlias, getJavaType, getValueHandler, resetJavaType, setAlias

从类继承的方法 org.hibernate.query.criteria.internal.AbstractNode

criteriaBuilder

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.hibernate.query.criteria.internal.ParameterContainer

registerParameters

从接口继承的方法 org.hibernate.query.criteria.internal.Renderable

render

从接口继承的方法 javax.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

从接口继承的方法 org.hibernate.query.criteria.internal.SelectionImplementor

getValueHandlers

从接口继承的方法 javax.persistence.TupleElement

getAlias, getJavaType

从接口继承的方法 org.hibernate.query.criteria.internal.TupleElementImplementor

getValueHandler

构造器详细资料

ExpressionImpl

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

方法详细资料

as

public <X> javax.persistence.criteria.Expression<X> as(Class<X> type)

指定者:

as 在接口中 javax.persistence.criteria.Expression<T>

isNull

public javax.persistence.criteria.Predicate isNull()

指定者:

isNull 在接口中 javax.persistence.criteria.Expression<T>

isNotNull

public javax.persistence.criteria.Predicate isNotNull()

指定者:

isNotNull 在接口中 javax.persistence.criteria.Expression<T>

in

public javax.persistence.criteria.Predicate in(Object... values)

指定者:

in 在接口中 javax.persistence.criteria.Expression<T>

in

public javax.persistence.criteria.Predicate in(javax.persistence.criteria.Expression<?>... values)

指定者:

in 在接口中 javax.persistence.criteria.Expression<T>

in

public javax.persistence.criteria.Predicate in(Collection<?> values)

指定者:

in 在接口中 javax.persistence.criteria.Expression<T>

in

public javax.persistence.criteria.Predicate in(javax.persistence.criteria.Expression<Collection<?>> values)

指定者:

in 在接口中 javax.persistence.criteria.Expression<T>

asLong

public ExpressionImplementor<Long> asLong()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toLong(javax.persistence.criteria.Expression<? extends java.lang.Number>)

指定者:

asLong 在接口中 ExpressionImplementor<T>

返回:

this but as a long

asInteger

public ExpressionImplementor<Integer> asInteger()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toInteger(javax.persistence.criteria.Expression<? extends java.lang.Number>)

指定者:

asInteger 在接口中 ExpressionImplementor<T>

返回:

this but as an integer

asFloat

public ExpressionImplementor<Float> asFloat()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toFloat(javax.persistence.criteria.Expression<? extends java.lang.Number>)

指定者:

asFloat 在接口中 ExpressionImplementor<T>

返回:

this but as a float

asDouble

public ExpressionImplementor<Double> asDouble()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toDouble(javax.persistence.criteria.Expression<? extends java.lang.Number>)

指定者:

asDouble 在接口中 ExpressionImplementor<T>

返回:

this but as a double

asBigDecimal

public ExpressionImplementor<BigDecimal> asBigDecimal()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toBigDecimal(javax.persistence.criteria.Expression<? extends java.lang.Number>)

指定者:

asBigDecimal 在接口中 ExpressionImplementor<T>

返回:

this but as a BigDecimal

asBigInteger

public ExpressionImplementor<BigInteger> asBigInteger()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toBigInteger(javax.persistence.criteria.Expression<? extends java.lang.Number>)

指定者:

asBigInteger 在接口中 ExpressionImplementor<T>

返回:

this but as a BigInteger

asString

public ExpressionImplementor<String> asString()

从接口复制的说明: ExpressionImplementor

See CriteriaBuilder.toString(javax.persistence.criteria.Expression<java.lang.Character>)

指定者:

asString 在接口中 ExpressionImplementor<T>

返回:

this but as a string