CompoundDataSetId.java

package eu.europeana.cloud.common.model;

import java.util.Objects;

/**
 * Globally unique data set id. Data set id is unique only for a certain provider id, so the combination of those two
 * identifiers is globally unique.
 */
public class CompoundDataSetId {

    /**
     * Data set id (unique for provider).
     */
    private final String dataSetId;

    /**
     * Data set's owner (provider) id.
     */
    private final String dataSetProviderId;


    /**
     * Constructs CompoundDataSetId using given provider id and data set id.
     * 
     * @param dataSetProviderId
     *            provider id
     * @param dataSetId
     *            data set id
     */
    public CompoundDataSetId(String dataSetProviderId, String dataSetId) {
        this.dataSetId = dataSetId;
        this.dataSetProviderId = dataSetProviderId;
    }


    public String getDataSetId() {
        return dataSetId;
    }


    public String getDataSetProviderId() {
        return dataSetProviderId;
    }


    @Override
    public int hashCode() {
        int hash = 7;
        hash = 89 * hash + Objects.hashCode(this.dataSetId);
        hash = 89 * hash + Objects.hashCode(this.dataSetProviderId);
        return hash;
    }


    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final CompoundDataSetId other = (CompoundDataSetId) obj;
        if (!Objects.equals(this.dataSetId, other.dataSetId)) {
            return false;
        }
        if (!Objects.equals(this.dataSetProviderId, other.dataSetProviderId)) {
            return false;
        }
        return true;
    }


    @Override
    public String toString() {
        return "CompoundDataSetId{" + "dataSetId=" + dataSetId + ", dataSetProviderId=" + dataSetProviderId + '}';
    }

}