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#719837 : added BooleanExpression andAnyOf and orAllOf

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This commit is contained in:
Timo Westkämper 2011-02-16 07:36:58 +00:00
parent 8283ac8986
commit 57b9a8b61b
1 changed files with 33 additions and 16 deletions
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49
querydsl-core/src/main/java/com/mysema/query/types/expr/BooleanExpression.java
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@ -7,7 +7,7 @@ package com.mysema.query.types.expr;
import javax.annotation.Nullable;
import com.mysema.query.types.Operator;
import com.mysema.query.types.ExpressionUtils;
import com.mysema.query.types.Ops;
import com.mysema.query.types.Path;
import com.mysema.query.types.PathImpl;
@ -23,13 +23,13 @@ import com.mysema.query.types.Predicate;
public abstract class BooleanExpression extends ComparableExpression<Boolean> implements Predicate{
private static final long serialVersionUID = 3797956062512074164L;
@Nullable
private volatile BooleanExpression eqTrue, eqFalse;
/**
* Return the intersection of the given Boolean expressions
*
*
* @param exprs
* @return
*/
@ -44,7 +44,7 @@ public abstract class BooleanExpression extends ComparableExpression<Boolean> im
/**
* Return the union of the given Boolean expressions
*
*
* @param exprs
* @return
*/
@ -64,16 +64,14 @@ public abstract class BooleanExpression extends ComparableExpression<Boolean> im
super(Boolean.class);
}
@SuppressWarnings("unchecked")
@Override
public BooleanExpression as(Path<Boolean> alias) {
return BooleanOperation.create((Operator)Ops.ALIAS, this, alias);
return BooleanOperation.create(Ops.ALIAS, this, alias);
}
@SuppressWarnings("unchecked")
@Override
public BooleanExpression as(String alias) {
return BooleanOperation.create((Operator)Ops.ALIAS, this, new PathImpl(getType(), alias));
return as(new PathImpl<Boolean>(Boolean.class, alias));
}
/**
@ -90,6 +88,16 @@ public abstract class BooleanExpression extends ComparableExpression<Boolean> im
}
}
/**
* Get an intersection of this and the union of the given predicates
*
* @param predicates
* @return
*/
public BooleanExpression andAnyOf(Predicate... predicates){
return and(ExpressionUtils.anyOf(predicates));
}
/**
* Get a negation of this boolean expression
*
@ -114,27 +122,36 @@ public abstract class BooleanExpression extends ComparableExpression<Boolean> im
}else{
return this;
}
}
/**
* Get a union of this and the intersection of the given predicates
*
* @param predicates
* @return
*/
public BooleanExpression orAllOf(Predicate... predicates){
return or(ExpressionUtils.allOf(predicates));
}
/**
* Get a this == true expression
*
*
* @return
*/
public BooleanExpression isTrue(){
return eq(true);
}
/**
* Get a this == false expression
*
*
* @return
*/
public BooleanExpression isFalse(){
return eq(false);
}
@Override
public BooleanExpression eq(Boolean right) {
if (right.booleanValue()){
@ -147,6 +164,6 @@ public abstract class BooleanExpression extends ComparableExpression<Boolean> im
eqFalse = super.eq(false);
}
return eqFalse;
}
}
}
}