com.yahoo.elide.core.filter

Class HQLFilterOperation

java.lang.Object

com.yahoo.elide.core.filter.HQLFilterOperation

All Implemented Interfaces:

FilterOperation<String>

public class HQLFilterOperation
extends Object
implements FilterOperation<String>

FilterOperation that creates Hibernate query language fragments.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	HQLFilterOperation.HQLQueryVisitor Filter expression visitor which builds an HQL query.

Constructor Summary

Constructors

Constructor and Description
HQLFilterOperation()

Method Summary

Modifier and Type	Method and Description
String	apply(FilterExpression filterExpression)
String	apply(FilterExpression filterExpression, boolean prefixWithType)
String	apply(FilterPredicate filterPredicate)
String	apply(FilterPredicate filterPredicate, boolean prefixWithType) Transforms a filter predicate into a HQL query fragment.
String	applyAll(Set<FilterPredicate> filterPredicates)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HQLFilterOperation

public HQLFilterOperation()

Method Detail

apply

public String apply(FilterPredicate filterPredicate)

Specified by:

apply in interface FilterOperation<String>

apply

public String apply(FilterPredicate filterPredicate,
                    boolean prefixWithType)

Transforms a filter predicate into a HQL query fragment.

Parameters:

filterPredicate - The predicate to transform.

prefixWithType - Whether or not to append the entity type to the predicate. This is useful for table aliases referenced in HQL for some kinds of joins.

Returns:

The hql query fragment.

applyAll

public String applyAll(Set<FilterPredicate> filterPredicates)

Specified by:

applyAll in interface FilterOperation<String>

apply

public String apply(FilterExpression filterExpression)

apply

public String apply(FilterExpression filterExpression,
                    boolean prefixWithType)