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

类 BasicFunctionExpression<X>

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<X>

org.hibernate.query.criteria.internal.expression.function.BasicFunctionExpression<X>

所有已实现的接口:

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

直接已知子类:

CastFunction, CurrentDateFunction, CurrentTimeFunction, CurrentTimestampFunction, LocateFunction, ParameterizedFunctionExpression, SubstringFunction, TrimFunction

public class BasicFunctionExpression<X>
extends ExpressionImpl<X>
implements FunctionExpression<X>, Serializable

Models the basic concept of a SQL function.

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
BasicFunctionExpression(CriteriaBuilderImpl criteriaBuilder, Class<X> javaType, String functionName)

方法概要

修饰符和类型	方法	说明
String	getFunctionName()	Retrieve the name of the function.
boolean	isAggregation()	Is this function a value aggregator (like a COUNT or MAX function e.g.)?
protected static int	properSize(int number)
void	registerParameters(ParameterRegistry registry)	Register any parameters contained within this query component with the given registry.
String	render(RenderingContext renderingContext)	Perform the rendering, returning the rendition

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

as, asBigDecimal, asBigInteger, asDouble, asFloat, asInteger, asLong, asString, in, in, in, in, isNotNull, 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 javax.persistence.criteria.Expression

as, in, in, in, in, isNotNull, isNull

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

BasicFunctionExpression

public BasicFunctionExpression(CriteriaBuilderImpl criteriaBuilder,
                               Class<X> javaType,
                               String functionName)

方法详细资料

properSize

protected static int properSize(int number)

getFunctionName

public String getFunctionName()

从接口复制的说明: FunctionExpression

Retrieve the name of the function.

指定者:

getFunctionName 在接口中 FunctionExpression<X>

返回:

The function name.

isAggregation

public boolean isAggregation()

从接口复制的说明: FunctionExpression

Is this function a value aggregator (like a COUNT or MAX function e.g.)?

指定者:

isAggregation 在接口中 FunctionExpression<X>

返回:

True if this functions does aggregation.

registerParameters

public void registerParameters(ParameterRegistry registry)

从接口复制的说明: ParameterContainer

Register any parameters contained within this query component with the given registry.

指定者:

registerParameters 在接口中 ParameterContainer

参数:

registry - The parameter registry with which to register.

render

public String render(RenderingContext renderingContext)

从接口复制的说明: Renderable

Perform the rendering, returning the rendition

指定者:

render 在接口中 Renderable