/*******************************************************************************
* Copyright (c) 2011, 2013 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:
* James Sutherland - initial API and implementation
* 03/24/2011-2.3 Guy Pelletier
* - 337323: Multi-tenant with shared schema support (part 1)
* 25/05/2012-2.4 Guy Pelletier
* - 354678: Temp classloader is still being used during metadata processing
******************************************************************************/
package org.eclipse.persistence.internal.jpa.metadata.partitioning;
import java.util.ArrayList;
import java.util.List;
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.xml.XMLEntityMappings;
import org.eclipse.persistence.descriptors.partitioning.PartitioningPolicy;
import org.eclipse.persistence.descriptors.partitioning.ValuePartitioningPolicy;
/**
* INTERNAL:
* Define JPA meta-data for partitioning policy.
*
* Key notes:
* - any metadata mapped from XML to this class must be compared in the
* equals method.
* - any metadata mapped from XML to this class must 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 James Sutherland
* @since EclipseLink 2.2
*/
public class ValuePartitioningMetadata extends FieldPartitioningMetadata {
protected List<ValuePartitionMetadata> partitions;
protected String defaultConnectionPool;
/**
* INTERNAL:
* Used for XML loading.
*/
public ValuePartitioningMetadata() {
super("<value-partitioning>");
}
/**
* INTERNAL:
* Used for annotation loading.
*/
public ValuePartitioningMetadata(MetadataAnnotation annotation, MetadataAccessor accessor) {
super(annotation, accessor);
this.defaultConnectionPool = (String)annotation.getAttribute("defaultConnectionPool");
this.partitions = new ArrayList<ValuePartitionMetadata>();
for (Object partitionAnnotation : (Object[]) annotation.getAttributeArray("partitions")) {
this.partitions.add(new ValuePartitionMetadata((MetadataAnnotation) partitionAnnotation, accessor));
}
}
/**
* INTERNAL:
*/
@Override
public boolean equals(Object objectToCompare) {
if (super.equals(objectToCompare) && (objectToCompare instanceof ValuePartitioningMetadata)) {
ValuePartitioningMetadata policy = (ValuePartitioningMetadata) objectToCompare;
if (!valuesMatch(this.defaultConnectionPool, policy.getDefaultConnectionPool())) {
return false;
}
return valuesMatch(this.partitions, policy.getPartitions());
}
return false;
}
/**
* INTERNAL:
*/
@Override
public void initXMLObject(MetadataAccessibleObject accessibleObject, XMLEntityMappings entityMappings) {
super.initXMLObject(accessibleObject, entityMappings);
// Initialize list of objects.
initXMLObjects(partitions, accessibleObject);
}
/**
* INTERNAL:
* Build/process the partitioning policy.
*/
@Override
public PartitioningPolicy buildPolicy() {
ValuePartitioningPolicy policy = new ValuePartitioningPolicy();
super.buildPolicy(policy);
// Set the partition value type name. Will be used to initialize the
// individual partition values.
policy.setPartitionValueTypeName(getPartitionValueType().getName());
// Set the default connection pool.
policy.setDefaultConnectionPool(this.defaultConnectionPool);
// Set only the partition value names (they will be initialized at runtime).
for (ValuePartitionMetadata partition : getPartitions()) {
policy.addPartitionName(partition.getValue(), partition.getConnectionPool());
}
return policy;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public String getDefaultConnectionPool() {
return defaultConnectionPool;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public List<ValuePartitionMetadata> getPartitions() {
return partitions;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public void setDefaultConnectionPool(String defaultConnectionPool) {
this.defaultConnectionPool = defaultConnectionPool;
}
/**
* INTERNAL:
* Used for OX mapping.
*/
public void setPartitions(List<ValuePartitionMetadata> partitions) {
this.partitions = partitions;
}
}