jnidzwetzki/bboxdb

/*******************************************************************************
 *
 *    Copyright (C) 2015-2022 the BBoxDB project
 *  
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License. 
 *    
 *******************************************************************************/
package org.bboxdb.distribution;

import org.bboxdb.distribution.membership.BBoxDBInstance;
import org.bboxdb.distribution.region.DistributionRegion;

public class OutdatedDistributionRegion {
    
    /**
     * The distributed region which is outdated
     */
    protected final DistributionRegion distributedRegion;
    
    /**
     * The instance which contains the newest data
     */
    protected final BBoxDBInstance newestInstance;
    
    /**
     * The local version of the data
     */
    protected final long localVersion;
    
    public OutdatedDistributionRegion(final DistributionRegion distributedRegion, final BBoxDBInstance newestInstance, final long localVersion) {
        this.distributedRegion = distributedRegion;
        this.newestInstance = newestInstance;
        this.localVersion = localVersion;
    }

    @Override
    public String toString() {
        return "OudatedDistributionRegion [distributedRegion=" + distributedRegion
                + ", newestInstance=" + newestInstance + ", localVersion="
                + localVersion + "]";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime
                * result
                + ((distributedRegion == null) ? 0 : distributedRegion
                        .hashCode());
        result = prime * result + (int) (localVersion ^ (localVersion >>> 32));
        result = prime * result
                + ((newestInstance == null) ? 0 : newestInstance.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        OutdatedDistributionRegion other = (OutdatedDistributionRegion) obj;
        if (distributedRegion == null) {
            if (other.distributedRegion != null)
                return false;
        } else if (!distributedRegion.equals(other.distributedRegion))
            return false;
        if (localVersion != other.localVersion)
            return false;
        if (newestInstance == null) {
            if (other.newestInstance != null)
                return false;
        } else if (!newestInstance.equals(other.newestInstance))
            return false;
        return true;
    }

    /**
     * The distributed region
     * @return
     */
    public DistributionRegion getDistributedRegion() {
        return distributedRegion;
    }

    /**
     * The newest instance for the region
     * @return
     */
    public BBoxDBInstance getNewestInstance() {
        return newestInstance;
    }

    /**
     * The local version of the outdated region
     * @return
     */
    public long getLocalVersion() {
        return localVersion;
    }
    
}