Package org.eclipse.persistence.internal.jpa.metadata.partitioning

Source Code of org.eclipse.persistence.internal.jpa.metadata.partitioning.PinnedPartitioningMetadata

/*******************************************************************************
* Copyright (c) 2011 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
*     03/24/2011-2.3 Guy Pelletier
*       - 337323: Multi-tenant with shared schema support (part 1)
******************************************************************************/ 
package org.eclipse.persistence.internal.jpa.metadata.partitioning;

import org.eclipse.persistence.internal.jpa.metadata.accessors.MetadataAccessor;
import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation;

import org.eclipse.persistence.descriptors.partitioning.PartitioningPolicy;
import org.eclipse.persistence.descriptors.partitioning.PinnedPartitioningPolicy;

/**
* 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 class PinnedPartitioningMetadata extends AbstractPartitioningMetadata {
    protected String connectionPool;
   
    /**
     * INTERNAL:
     * Used for XML loading.
     */
    public PinnedPartitioningMetadata() {
        super("<pinned-partitioning>");
    }

    /**
     * INTERNAL:
     * Used for annotation loading.
     */
    public PinnedPartitioningMetadata(MetadataAnnotation annotation, MetadataAccessor accessor) {
        super(annotation, accessor);
        this.connectionPool = (String)annotation.getAttribute("connectionPool");
    }

    @Override
    public boolean equals(Object objectToCompare) {
        if (super.equals(objectToCompare) && (objectToCompare instanceof PinnedPartitioningMetadata)) {
            PinnedPartitioningMetadata policy = (PinnedPartitioningMetadata) objectToCompare;
           
            return valuesMatch(this.connectionPool, policy.getConnectionPool());
        }
       
        return false;
    }

    public String getConnectionPool() {
        return connectionPool;
    }

    @Override
    public PartitioningPolicy buildPolicy() {
        PinnedPartitioningPolicy policy = new PinnedPartitioningPolicy();
        super.buildPolicy(policy);
        policy.setConnectionPool(getConnectionPool());
        return policy;
    }

    public void setConnectionPool(String connectionPool) {
        this.connectionPool = connectionPool;
    }
}
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