| /* |
| * Copyright (c) 2011, 2020 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // James Sutherland - initial API and implementation |
| // 03/24/2011-2.3 Guy Pelletier |
| // - 337323: Multi-tenant with shared schema support (part 1) |
| // 30/05/2012-2.4 Guy Pelletier |
| // - 354678: Temp classloader is still being used during metadata processing |
| // 11/19/2012-2.5 Guy Pelletier |
| // - 389090: JPA 2.1 DDL Generation Support (foreign key metadata support) |
| 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 = annotation.getAttributeString("defaultConnectionPool"); |
| |
| this.partitions = new ArrayList<ValuePartitionMetadata>(); |
| for (Object partitionAnnotation : 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; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = super.hashCode(); |
| result = 31 * result + (partitions != null ? partitions.hashCode() : 0); |
| result = 31 * result + (defaultConnectionPool != null ? defaultConnectionPool.hashCode() : 0); |
| return result; |
| } |
| |
| /** |
| * 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; |
| } |
| } |