org.hibernate.ejb.criteria.expression
Class BinaryArithmeticOperation<N extends Number>

java.lang.Object
  org.hibernate.ejb.criteria.AbstractNode
      org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
          org.hibernate.ejb.criteria.expression.SelectionImpl<T>
              org.hibernate.ejb.criteria.expression.ExpressionImpl<N>
                  org.hibernate.ejb.criteria.expression.BinaryArithmeticOperation<N>

All Implemented Interfaces:

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

public class BinaryArithmeticOperation<N extends Number>
extends ExpressionImpl<N>
implements BinaryOperatorExpression<N>, Serializable

Models standard arithmetc operations with two operands.

Author:

Steve Ebersole

See Also:

Serialized Form

Nested Class Summary

static class

BinaryArithmeticOperation.Operation

Nested classes/interfaces inherited from interface org.hibernate.ejb.criteria.ParameterContainer

ParameterContainer.Helper

Constructor Summary

BinaryArithmeticOperation(CriteriaBuilderImpl criteriaBuilder, Class<N> resultType, BinaryArithmeticOperation.Operation operator, javax.persistence.criteria.Expression<? extends N> lhs, javax.persistence.criteria.Expression<? extends N> rhs)
Creates an arithmethic operation based on 2 expressions.

BinaryArithmeticOperation(CriteriaBuilderImpl criteriaBuilder, Class<N> javaType, BinaryArithmeticOperation.Operation operator, javax.persistence.criteria.Expression<? extends N> lhs, N rhs)
Creates an arithmethic operation based on an expression and a literal.

BinaryArithmeticOperation(CriteriaBuilderImpl criteriaBuilder, Class<N> javaType, BinaryArithmeticOperation.Operation operator, N lhs, javax.persistence.criteria.Expression<? extends N> rhs)
Creates an arithmetic operation based on an expression and a literal.

Method Summary

static Class<? extends Number>	determineReturnType(Class<? extends Number> defaultType, javax.persistence.criteria.Expression<? extends Number> expression) Helper for determining the appropriate operation return type based on one of the operands as an expression.
static Class<? extends Number>	determineReturnType(Class<? extends Number> defaultType, Number numberLiteral) Helper for determining the appropriate operation return type based on one of the operands as a literal.
javax.persistence.criteria.Expression<? extends N>	getLeftHandOperand() Get the left-hand operand.
BinaryArithmeticOperation.Operation	getOperator()
javax.persistence.criteria.Expression<? extends N>	getRightHandOperand() Get the right-hand operand.
void	registerParameters(ParameterRegistry registry) Register any parameters contained within this query component with the given registry.
String	render(CriteriaQueryCompiler.RenderingContext renderingContext)
String	renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

Methods inherited from class org.hibernate.ejb.criteria.expression.ExpressionImpl

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

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

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.SelectionImplementor

getValueHandlers

Methods inherited from interface org.hibernate.ejb.criteria.TupleElementImplementor

getValueHandler

Constructor Detail

BinaryArithmeticOperation

public BinaryArithmeticOperation(CriteriaBuilderImpl criteriaBuilder,
                                 Class<N> resultType,
                                 BinaryArithmeticOperation.Operation operator,
                                 javax.persistence.criteria.Expression<? extends N> lhs,
                                 javax.persistence.criteria.Expression<? extends N> rhs)

Creates an arithmethic operation based on 2 expressions.

Parameters:

criteriaBuilder - The builder for query components.

resultType - The operation result type

operator - The operator (type of operation).

lhs - The left-hand operand.

rhs - The right-hand operand

BinaryArithmeticOperation

public BinaryArithmeticOperation(CriteriaBuilderImpl criteriaBuilder,
                                 Class<N> javaType,
                                 BinaryArithmeticOperation.Operation operator,
                                 javax.persistence.criteria.Expression<? extends N> lhs,
                                 N rhs)

Creates an arithmethic operation based on an expression and a literal.

Parameters:

criteriaBuilder - The builder for query components.

javaType - The operation result type

operator - The operator (type of operation).

lhs - The left-hand operand

rhs - The right-hand operand (the literal)

BinaryArithmeticOperation

public BinaryArithmeticOperation(CriteriaBuilderImpl criteriaBuilder,
                                 Class<N> javaType,
                                 BinaryArithmeticOperation.Operation operator,
                                 N lhs,
                                 javax.persistence.criteria.Expression<? extends N> rhs)

Creates an arithmetic operation based on an expression and a literal.

Parameters:

criteriaBuilder - The builder for query components.

javaType - The operation result type

operator - The operator (type of operation).

lhs - The left-hand operand (the literal)

rhs - The right-hand operand

Method Detail

determineReturnType

public static Class<? extends Number> determineReturnType(Class<? extends Number> defaultType,
                                                          javax.persistence.criteria.Expression<? extends Number> expression)

Helper for determining the appropriate operation return type based on one of the operands as an expression.

Parameters:

defaultType - The default return type to use if we cannot determine the java type of 'expression' operand.

expression - The operand.

Returns:

The appropriate return type.

determineReturnType

public static Class<? extends Number> determineReturnType(Class<? extends Number> defaultType,
                                                          Number numberLiteral)

Helper for determining the appropriate operation return type based on one of the operands as a literal.

Parameters:

defaultType - The default return type to use if we cannot determine the java type of 'numberLiteral' operand.

numberLiteral - The operand.

Returns:

The appropriate return type.

getOperator

public BinaryArithmeticOperation.Operation getOperator()

getRightHandOperand

public javax.persistence.criteria.Expression<? extends N> getRightHandOperand()

Get the right-hand operand.

Specified by:

getRightHandOperand in interface BinaryOperatorExpression<N extends Number>

Returns:

The right-hand operand.

getLeftHandOperand

public javax.persistence.criteria.Expression<? extends N> getLeftHandOperand()

Get the left-hand operand.

Specified by:

getLeftHandOperand in interface BinaryOperatorExpression<N extends Number>

Returns:

The left-hand operand.

registerParameters

public void registerParameters(ParameterRegistry registry)

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

Specified by:

registerParameters in interface ParameterContainer

Parameters:

registry - The parameter registry with which to register.

render

public String render(CriteriaQueryCompiler.RenderingContext renderingContext)

Specified by:

render in interface Renderable

renderProjection

public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

Specified by:

renderProjection in interface Renderable