org.hibernate.envers.DefaultTrackingModifiedEntitiesRevisionEntity.java Source code

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Here is the source code for org.hibernate.envers.DefaultTrackingModifiedEntitiesRevisionEntity.java

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.envers;

import java.util.HashSet;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.MappedSuperclass;

import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;

/**
 * Extension of standard {@link DefaultRevisionEntity} that allows tracking entity names changed in each revision.
 * This revision entity is implicitly used when {@code org.hibernate.envers.track_entities_changed_in_revision}
 * parameter is set to {@code true}.
 *
 * @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
 */
@MappedSuperclass
public class DefaultTrackingModifiedEntitiesRevisionEntity extends DefaultRevisionEntity {
    @ElementCollection(fetch = FetchType.EAGER)
    @JoinTable(name = "REVCHANGES", joinColumns = @JoinColumn(name = "REV"))
    @Column(name = "ENTITYNAME")
    @Fetch(FetchMode.JOIN)
    @ModifiedEntityNames
    private Set<String> modifiedEntityNames = new HashSet<>();

    public Set<String> getModifiedEntityNames() {
        return modifiedEntityNames;
    }

    public void setModifiedEntityNames(Set<String> modifiedEntityNames) {
        this.modifiedEntityNames = modifiedEntityNames;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof DefaultTrackingModifiedEntitiesRevisionEntity)) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }

        final DefaultTrackingModifiedEntitiesRevisionEntity that = (DefaultTrackingModifiedEntitiesRevisionEntity) o;

        if (modifiedEntityNames != null ? !modifiedEntityNames.equals(that.modifiedEntityNames)
                : that.modifiedEntityNames != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = 31 * result + (modifiedEntityNames != null ? modifiedEntityNames.hashCode() : 0);
        return result;
    }

    @Override
    public String toString() {
        return "DefaultTrackingModifiedEntitiesRevisionEntity(" + super.toString() + ", modifiedEntityNames = "
                + modifiedEntityNames + ")";
    }
}