com.querydsl.core

Class JoinExpression

java.lang.Object

com.querydsl.core.JoinExpression

All Implemented Interfaces:

java.io.Serializable

@Immutable
public final class JoinExpression
extends java.lang.Object
implements java.io.Serializable

JoinExpression is a join element in a Query instance.

Author:

tiwe

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JoinExpression(JoinType type, Expression<?> target) Create a new JoinExpression instance
JoinExpression(JoinType type, Expression<?> target, @Nullable Predicate condition, java.util.Set<JoinFlag> flags) Create a new JoinExpression instance

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
@Nullable Predicate	getCondition()
java.util.Set<JoinFlag>	getFlags()
Expression<?>	getTarget()
JoinType	getType()
boolean	hasFlag(JoinFlag flag)
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinExpression

public JoinExpression(JoinType type,
                      Expression<?> target)

Create a new JoinExpression instance

Parameters:

type - type of join

target - target of join

JoinExpression

public JoinExpression(JoinType type,
                      Expression<?> target,
                      @Nullable
                      @Nullable Predicate condition,
                      java.util.Set<JoinFlag> flags)

Create a new JoinExpression instance

Parameters:

type - type of join

target - target of join

condition - join condition or null, if none is used

flags - join flags

Method Detail

getCondition

@Nullable
public @Nullable Predicate getCondition()

getTarget

public Expression<?> getTarget()

getType

public JoinType getType()

hasFlag

public boolean hasFlag(JoinFlag flag)

getFlags

public java.util.Set<JoinFlag> getFlags()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object