org.batoo.jpa.core.impl.criteria.expression

Class PredicateImpl

java.lang.Object

org.batoo.jpa.core.impl.criteria.TupleElementImpl<X>

org.batoo.jpa.core.impl.criteria.AbstractSelection<T>

org.batoo.jpa.core.impl.criteria.expression.AbstractExpression<Boolean>

org.batoo.jpa.core.impl.criteria.expression.BooleanExpression

org.batoo.jpa.core.impl.criteria.expression.PredicateImpl

All Implemented Interfaces:

Expression<Boolean>, Predicate, Selection<Boolean>, TupleElement<Boolean>

Direct Known Subclasses:

InPredicate

public class PredicateImpl
extends BooleanExpression
implements Predicate

Implementation of Predicate.

Since:

$version

Author:

hceylan

Nested Class Summary

Nested classes/interfaces inherited from interface javax.persistence.criteria.Predicate

Predicate.BooleanOperator

Constructor Summary

Constructors

Constructor and Description
PredicateImpl(AbstractExpression<Boolean>... expressions)
PredicateImpl(AbstractExpression<Boolean> expression)
PredicateImpl(boolean negated, Predicate.BooleanOperator operator, Expression<Boolean>... expressions)
PredicateImpl(boolean negated, Predicate.BooleanOperator operator, Predicate... predicates)

Method Summary

Methods

Modifier and Type	Method and Description
String	generateJpqlRestriction(BaseQueryImpl<?> query) Returns the JPQL where fragment.
String	generateJpqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected) Returns the JPQL select fragment.
String	generateSqlRestriction(BaseQueryImpl<?> query) Returns the SQL where fragment.
String	generateSqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected) Returns the SQL select fragment.
List<Expression<Boolean>>	getExpressions()
Predicate.BooleanOperator	getOperator()
Boolean	handle(QueryImpl<?> query, SessionImpl session, ResultSet row) Handles the row.
boolean	isNegated()
PredicateImpl	not()

Methods inherited from class org.batoo.jpa.core.impl.criteria.expression.BooleanExpression

getSqlRestrictionFragments

Methods inherited from class org.batoo.jpa.core.impl.criteria.expression.AbstractExpression

as, getConverter, in, in, in, in, isNotNull, isNull, setConverter

Methods inherited from class org.batoo.jpa.core.impl.criteria.AbstractSelection

alias, getAlias, getCompoundSelectionItems, isCompoundSelection, isEntityList

Methods inherited from class org.batoo.jpa.core.impl.criteria.TupleElementImpl

getJavaType

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

Constructor Detail

PredicateImpl

public PredicateImpl(AbstractExpression<Boolean> expression)

Parameters:

expression - the expressions

Since:

$version

PredicateImpl

public PredicateImpl(AbstractExpression<Boolean>... expressions)

Parameters:

expressions - the expressions

Since:

$version

PredicateImpl

public PredicateImpl(boolean negated,
             Predicate.BooleanOperator operator,
             Expression<Boolean>... expressions)

Parameters:

negated - if negated

operator - the operator

expressions - the expressions

Since:

$version

PredicateImpl

public PredicateImpl(boolean negated,
             Predicate.BooleanOperator operator,
             Predicate... predicates)

Parameters:

negated - if negated

operator - the operator

predicates - the predicates

Since:

$version

Method Detail

generateJpqlRestriction

public String generateJpqlRestriction(BaseQueryImpl<?> query)

Returns the JPQL where fragment.

Overrides:

generateJpqlRestriction in class BooleanExpression

Parameters:

query - the query

Returns:

the JPQL where fragment

generateJpqlSelect

public String generateJpqlSelect(AbstractCriteriaQueryImpl<?> query,
                        boolean selected)

Returns the JPQL select fragment.

Overrides:

generateJpqlSelect in class BooleanExpression

Parameters:

query - the criteria query

selected - if the selection is selected

Returns:

the JPQL select fragment

generateSqlRestriction

public String generateSqlRestriction(BaseQueryImpl<?> query)

Returns the SQL where fragment.

Overrides:

generateSqlRestriction in class BooleanExpression

Parameters:

query - the query

Returns:

the SQL select fragment

generateSqlSelect

public String generateSqlSelect(AbstractCriteriaQueryImpl<?> query,
                       boolean selected)

Returns the SQL select fragment.

Overrides:

generateSqlSelect in class BooleanExpression

Parameters:

query - the query

selected - if the selection is selected

Returns:

the SQL select fragment

getExpressions

public List<Expression<Boolean>> getExpressions()

Specified by:

getExpressions in interface Predicate

getOperator

public Predicate.BooleanOperator getOperator()

Specified by:

getOperator in interface Predicate

handle

public Boolean handle(QueryImpl<?> query,
             SessionImpl session,
             ResultSet row)
               throws SQLException

Handles the row.

Overrides:

handle in class BooleanExpression

Parameters:

query - the query

session - the session

row - the row

Returns:

the managed instance

Throws:

SQLException - thrown in case of an underlying SQL Error

isNegated

public boolean isNegated()

Specified by:

isNegated in interface Predicate

not

public PredicateImpl not()

Specified by:

not in interface Predicate