/*******************************************************************************
* Copyright (c) 2010 Oracle. 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
******************************************************************************/
package org.eclipse.persistence.internal.jpa.metadata.partitioning;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.persistence.internal.helper.ConversionManager;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAccessibleObject;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation;
import org.eclipse.persistence.descriptors.partitioning.PartitioningPolicy;
import org.eclipse.persistence.descriptors.partitioning.ValuePartitioningPolicy;
import org.eclipse.persistence.exceptions.ValidationException;
/**
* INTERNAL:
* Define JPA meta-data for partitioning policy.
*
* @author James Sutherland
* @since EclipseLink 2.2
*/
public class ValuePartitioningMetadata extends FieldPartitioningMetadata {
// Note: Any metadata mapped from XML to this class must be compared in the equals method.
protected List<ValuePartitionMetadata> partitions;
protected String defaultConnectionPool;
public ValuePartitioningMetadata() {
super("<value-partitioning>");
}
public ValuePartitioningMetadata(MetadataAnnotation annotation, MetadataAccessibleObject accessibleObject) {
super(annotation, accessibleObject);
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, accessibleObject));
}
}
@Override
public boolean equals(Object objectToCompare) {
if (super.equals(objectToCompare) && (objectToCompare instanceof ValuePartitioningMetadata)) {
ValuePartitioningMetadata policy = (ValuePartitioningMetadata) objectToCompare;
return valuesMatch(this.partitions, policy.getPartitions());
}
return false;
}
/**
* Convert the string value to the class type.
* This will handle numbers, string, dates, and most other classes.
*/
private Object initObject(Class type, String value) {
return ConversionManager.getDefaultManager().convertObject(value, type);
}
@Override
public PartitioningPolicy buildPolicy() {
ValuePartitioningPolicy policy = new ValuePartitioningPolicy();
super.buildPolicy(policy);
Class type = String.class;
if (this.partitionValueType != null) {
type = getJavaClass(getMetadataClass(this.partitionValueType));
}
policy.setDefaultConnectionPool(this.defaultConnectionPool);
for (ValuePartitionMetadata partition : getPartitions()) {
Object value = initObject(type, partition.getValue());
if (policy.getPartitions().containsKey(value)) {
throw ValidationException.duplicatePartitionValue(getName(), value);
}
policy.addPartition(value, partition.getConnectionPool());
}
return policy;
}
public List<ValuePartitionMetadata> getPartitions() {
return partitions;
}
public void setPartitions(List<ValuePartitionMetadata> partitions) {
this.partitions = partitions;
}
public String getDefaultConnectionPool() {
return defaultConnectionPool;
}
public void setDefaultConnectionPool(String defaultConnectionPool) {
this.defaultConnectionPool = defaultConnectionPool;
}
}