Package com.querydsl.core.types

Class OperationImpl<T>

java.lang.Object

com.querydsl.core.types.ExpressionBase<T>

com.querydsl.core.types.OperationImpl<T>

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Operation<T>, Serializable

Direct Known Subclasses:

PredicateOperation

@Immutable
public class OperationImpl<T>
extends ExpressionBase<T>
implements Operation<T>

OperationImpl is the default implementation of the Operation interface

Author:

tiwe

See Also:

• Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	OperationImpl(Class<? extends T> type, Operator operator, Expression<?>... args)
protected	OperationImpl(Class<? extends T> type, Operator operator, List<Expression<?>> args)

Method Summary

Modifier and Type	Method	Description
final <R, C> R	accept(Visitor<R,C> v, C context)	Accept the visitor with the given context
final boolean	equals(Object o)
final Expression<?>	getArg(int i)	Get the argument with the given index
final @Unmodifiable List<Expression<?>>	getArgs()	Get the arguments of this operation
final Operator	getOperator()	Get the operator symbol for this operation

Methods inherited from class com.querydsl.core.types.ExpressionBase

getType, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.querydsl.core.types.Expression

getType

Constructor Details

OperationImpl

protected OperationImpl(Class<? extends T> type,
 Operator operator,
 Expression<?>... args)

OperationImpl

protected OperationImpl(Class<? extends T> type,
 Operator operator,
 List<Expression<?>> args)

Method Details

getArg

public final Expression<?> getArg(int i)

Description copied from interface: Operation

Get the argument with the given index

Specified by:

getArg in interface Operation<T>

Parameters:

i - zero based index of expression

Returns:

expression at index

getArgs

public final @Unmodifiable List<Expression<?>> getArgs()

Description copied from interface: Operation

Get the arguments of this operation

Specified by:

getArgs in interface Operation<T>

Returns:

arguments

getOperator

public final Operator getOperator()

Description copied from interface: Operation

Get the operator symbol for this operation

Specified by:

getOperator in interface Operation<T>

Returns:

operator

equals

public final boolean equals(Object o)

Overrides:

equals in class Object

accept

public final <R,
C> R accept(Visitor<R,C> v,
 C context)

Description copied from interface: Expression

Accept the visitor with the given context

Specified by:

accept in interface Expression<T>

Type Parameters:

R - return type

C - context type

Parameters:

v - visitor

context - context of visit

Returns:

result of visit