| /* |
| * 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 |
| package org.eclipse.persistence.internal.jpa.metadata.partitioning; |
| |
| import org.eclipse.persistence.descriptors.partitioning.FieldPartitioningPolicy; |
| import org.eclipse.persistence.descriptors.partitioning.PartitioningPolicy; |
| 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.columns.ColumnMetadata; |
| import org.eclipse.persistence.internal.jpa.metadata.xml.XMLEntityMappings; |
| |
| /** |
| * 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. |
| * - 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 abstract class FieldPartitioningMetadata extends AbstractPartitioningMetadata { |
| protected Boolean unionUnpartitionableQueries; |
| protected ColumnMetadata partitionColumn; |
| protected MetadataClass partitionValueType; |
| protected String partitionValueTypeName; |
| |
| /** |
| * INTERNAL: |
| * Used for XML loading. |
| */ |
| public FieldPartitioningMetadata() { |
| super("<field-partitioning>"); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for annotation loading. |
| */ |
| public FieldPartitioningMetadata(MetadataAnnotation annotation, MetadataAccessor accessor) { |
| super(annotation, accessor); |
| |
| if (annotation.hasAttribute("partitionColumn")) { |
| this.partitionColumn = new ColumnMetadata(annotation.getAttributeAnnotation("partitionColumn"), accessor); |
| } |
| |
| this.partitionValueType = getMetadataClass(annotation.getAttributeClass("partitionValueType", String.class)); |
| this.unionUnpartitionableQueries = annotation.getAttributeBooleanDefaultFalse("unionUnpartitionableQueries"); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for XML loading. |
| */ |
| protected FieldPartitioningMetadata(String elementName) { |
| super(elementName); |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for XML merging and overriding. |
| */ |
| @Override |
| public boolean equals(Object objectToCompare) { |
| if (super.equals(objectToCompare) && (objectToCompare instanceof FieldPartitioningMetadata)) { |
| FieldPartitioningMetadata policy = (FieldPartitioningMetadata) objectToCompare; |
| |
| return valuesMatch(this.partitionColumn, policy.getPartitionColumn()) |
| && valuesMatch(this.unionUnpartitionableQueries, policy.getUnionUnpartitionableQueries()) |
| && valuesMatch(this.partitionValueTypeName, policy.getPartitionValueTypeName()); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = super.hashCode(); |
| result = 31 * result + (unionUnpartitionableQueries != null ? unionUnpartitionableQueries.hashCode() : 0); |
| result = 31 * result + (partitionColumn != null ? partitionColumn.hashCode() : 0); |
| result = 31 * result + (partitionValueTypeName != null ? partitionValueTypeName.hashCode() : 0); |
| return result; |
| } |
| |
| /** |
| * Set common fields into policy. |
| * Should be called by subclasses. |
| */ |
| @Override |
| public void buildPolicy(PartitioningPolicy policy) { |
| super.buildPolicy(policy); |
| if (this.partitionColumn != null) { |
| ((FieldPartitioningPolicy)policy).setPartitionField(this.partitionColumn.getDatabaseField()); |
| } |
| if (this.unionUnpartitionableQueries != null) { |
| ((FieldPartitioningPolicy)policy).setUnionUnpartitionableQueries(this.unionUnpartitionableQueries); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public ColumnMetadata getPartitionColumn() { |
| return partitionColumn; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public MetadataClass getPartitionValueType() { |
| return partitionValueType; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public String getPartitionValueTypeName() { |
| return partitionValueTypeName; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public Boolean getUnionUnpartitionableQueries() { |
| return unionUnpartitionableQueries; |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public void initXMLObject(MetadataAccessibleObject accessibleObject, XMLEntityMappings entityMappings) { |
| super.initXMLObject(accessibleObject, entityMappings); |
| |
| // Initialize single objects. |
| initXMLObject(partitionColumn, accessibleObject); |
| |
| // Initialize the partition value type name we read from XML else default it to String.class |
| if (partitionValueTypeName != null) { |
| partitionValueType = initXMLClassName(partitionValueTypeName); |
| } else { |
| partitionValueType = getMetadataClass(String.class); |
| } |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setPartitionColumn(ColumnMetadata partitionColumn) { |
| this.partitionColumn = partitionColumn; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setPartitionValueTypeName(String partitionValueTypeName) { |
| this.partitionValueTypeName = partitionValueTypeName; |
| } |
| |
| /** |
| * INTERNAL: |
| * Used for OX mapping. |
| */ |
| public void setUnionUnpartitionableQueries(Boolean unionUnpartitionableQueries) { |
| this.unionUnpartitionableQueries = unionUnpartitionableQueries; |
| } |
| } |