/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
* 05/16/2008-1.0M8 Guy Pelletier
* - 218084: Implement metadata merging functionality between mapping files
* 03/27/2009-2.0 Guy Pelletier
* - 241413: JPA 2.0 Add EclipseLink support for Map type attributes
* 03/24/2011-2.3 Guy Pelletier
* - 337323: Multi-tenant with shared schema support (part 1)
* 06/20/2012-2.5 Guy Pelletier
* - 350487: JPA 2.1 Specification defined support for Stored Procedure Calls
* 08/11/2012-2.5 Guy Pelletier
* - 393867: Named queries do not work when using EM level Table Per Tenant Multitenancy.
******************************************************************************/
package org.eclipse.persistence.internal.jpa.metadata.queries;
import org.eclipse.persistence.exceptions.ValidationException;
import org.eclipse.persistence.internal.jpa.JPAQuery;
import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAccessibleObject;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataClass;
import org.eclipse.persistence.internal.jpa.metadata.xml.XMLEntityMappings;
import org.eclipse.persistence.internal.sessions.AbstractSession;
/**
* INTERNAL:
* Object to hold onto named native query metadata.
*
* Key notes:
* - any metadata mapped from XML to this class must be compared in the
* equals method.
* - all metadata mapped from XML should be initialized in the initXMLObject
* method.
* - when loading from annotations, the constructor accepts the metadata
* accessor this metadata was loaded from. Used it to look up any
* 'companion' annotation needed for processing.
* - methods should be preserved in alphabetical order.
*
* @author Guy Pelletier
* @since TopLink EJB 3.0 Reference Implementation
*/
public class NamedNativeQueryMetadata extends NamedQueryMetadata {
private MetadataClass m_resultClass;
private String m_resultClassName;
private String m_resultSetMapping;
/**
* INTERNAL:
* Used for XML loading.
*/
public NamedNativeQueryMetadata() {
super("<named-native-query>");
}
/**
* INTERNAL:
* Used for annotation loading.
*/
public NamedNativeQueryMetadata(MetadataAnnotation namedNativeQuery, MetadataAccessor accessor) {
super(namedNativeQuery, accessor);
m_resultClass = getMetadataClass(namedNativeQuery.getAttributeString("resultClass"));
m_resultSetMapping = namedNativeQuery.getAttributeString("resultSetMapping");
}
/**
* INTERNAL:
*
*/
protected NamedNativeQueryMetadata(String javaClassName) {
super(javaClassName);
}
/**
* INTERNAL:
*/
@Override
public boolean equals(Object objectToCompare) {
if (super.equals(objectToCompare) && objectToCompare instanceof NamedNativeQueryMetadata) {
NamedNativeQueryMetadata query = (NamedNativeQueryMetadata) objectToCompare;
if (! valuesMatch(m_resultClass, query.getResultClass())) {
return false;
}
return valuesMatch(m_resultSetMapping, query.getResultSetMapping());
}
return false;
}
@Override
public int hashCode() {
int result = m_resultClass != null ? m_resultClass.hashCode() : 0;
result = 31 * result + (m_resultSetMapping != null ? m_resultSetMapping.hashCode() : 0);
return result;
}
/**
* INTERNAL:
*/
public MetadataClass getResultClass() {
return m_resultClass;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public String getResultClassName() {
return m_resultClassName;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public String getResultSetMapping() {
return m_resultSetMapping;
}
/**
* INTERNAL:
* Return true is a result set mapping has been specified.
*/
protected boolean hasResultSetMapping(AbstractSession session) {
if (m_resultSetMapping != null && ! m_resultSetMapping.equals("")) {
// User has specified a result set mapping. Since all the result
// set mappings are processed and placed on the session before named
// queries, let's validate that the sql result set mapping specified
// on this query actually exists.
if (session.getProject().hasSQLResultSetMapping(m_resultSetMapping)) {
return true;
} else {
throw ValidationException.invalidSQLResultSetMapping(m_resultSetMapping, getName(), getLocation());
}
}
return false;
}
/**
* INTERNAL:
*/
@Override
public void initXMLObject(MetadataAccessibleObject accessibleObject, XMLEntityMappings entityMappings) {
super.initXMLObject(accessibleObject, entityMappings);
m_resultClass = initXMLClassName(m_resultClassName);
}
/**
* INTERNAL:
*/
@Override
public void process(AbstractSession session) {
// Create a JPA query to store internally on the session.
JPAQuery query = new JPAQuery(getName(), getQuery(), processQueryHints(session));
// Process the result class.
if (!getResultClass().isVoid()) {
query.setResultClassName(getJavaClassName(getResultClass()));
} else if (hasResultSetMapping(session)) {
query.addResultSetMapping(getResultSetMapping());
}
addJPAQuery(query, session);
}
/**
* INTERNAL:
*/
public void setResultClass(MetadataClass resultClass) {
m_resultClass = resultClass;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public void setResultClassName(String resultClassName) {
m_resultClassName = resultClassName;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public void setResultSetMapping(String resultSetMapping) {
m_resultSetMapping = resultSetMapping;
}
}