org.onecmdb.core.utils.graph.expression.RelationExpression.java Source code

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Here is the source code for org.onecmdb.core.utils.graph.expression.RelationExpression.java

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/*
 * Lokomo OneCMDB - An Open Source Software for Configuration
 * Management of Datacenter Resources
 *
 * Copyright (C) 2006 Lokomo Systems AB
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * Lokomo Systems AB can be contacted via e-mail: info@lokomo.com or via
 * paper mail: Lokomo Systems AB, Svrdvgen 27, SE-182 33
 * Danderyd, Sweden.
 *
 */
package org.onecmdb.core.utils.graph.expression;

import java.util.List;

import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Property;
import org.onecmdb.core.internal.model.ConfigurationItem;
import org.onecmdb.core.internal.model.RelationItem;

public class RelationExpression extends OneCMDBExpression {

    private DetachedCriteria target;
    private DetachedCriteria source;
    private List<Long> targetIds;
    private List<Long> sourceIds;
    private String targetRelationProjection = "targetId";
    private String sourceRelationProjection = "sourceId";

    private String targetProjection = "longId";
    private String sourceProjection = "longId";

    public List<Long> getTargetIds() {
        return targetIds;
    }

    public void setTargetIds(List<Long> targetIds) {
        this.targetIds = targetIds;
    }

    public List<Long> getSourceIds() {
        return sourceIds;
    }

    public void setSourceIds(List<Long> sourceIds) {
        this.sourceIds = sourceIds;
    }

    public DetachedCriteria getTarget() {
        return target;
    }

    public void setTarget(DetachedCriteria target) {
        this.target = target;
    }

    public DetachedCriteria getSource() {
        return source;
    }

    public void setSource(DetachedCriteria source) {
        this.source = source;
    }

    protected String getRelationTargetProperty() {
        return (targetRelationProjection);
    }

    protected String getTargetProjection() {
        return (targetProjection);
    }

    protected String getRelationSourceProperty() {
        return (sourceRelationProjection);
    }

    protected String getSourceProjection() {
        return (sourceProjection);
    }

    protected DetachedCriteria getObjectCriteria() {
        DetachedCriteria crit = DetachedCriteria.forClass(ConfigurationItem.class);

        return (crit);
    }

    @Override
    public DetachedCriteria getCriteria() {
        DetachedCriteria crit = getObjectCriteria(); //DetachedCriteria.forClass(ConfigurationItem.class);

        if (getTargetIds() != null) {
            crit.add(Property.forName(getRelationTargetProperty()).in(targetIds));
        } else {
            DetachedCriteria targetCrit = target.setProjection(Projections.property(getTargetProjection()));
            crit.add(Property.forName(getRelationTargetProperty()).in(targetCrit));
        }

        if (getSourceIds() != null) {
            crit.add(Property.forName(getRelationSourceProperty()).in(sourceIds));
        } else {
            DetachedCriteria sourceCrit = source.setProjection(Projections.property(getSourceProjection()));
            crit.add(Property.forName(getRelationSourceProperty()).in(sourceCrit));
        }
        return (crit);
    }

    public DetachedCriteria getTargetCriteria() {
        DetachedCriteria crit = getObjectCriteria(); //DetachedCriteria.forClass(ConfigurationItem.class);
        if (this.targetIds != null) {
            crit.add(Property.forName(getRelationTargetProperty()).in(targetIds));
        } else {
            DetachedCriteria targetCrit = target.setProjection(Projections.property(getTargetProjection()));

            crit.add(Property.forName(getRelationTargetProperty()).in(targetCrit));
        }
        return (crit);
    }

    public DetachedCriteria getSourceCriteria() {
        DetachedCriteria crit = getObjectCriteria(); //DetachedCriteria.forClass(ConfigurationItem.class);

        if (this.sourceIds != null) {
            crit.add(Property.forName(getRelationSourceProperty()).in(this.sourceIds));
        } else {
            DetachedCriteria sourceCrit = source.setProjection(Projections.property(getSourceProjection()));
            crit.add(Property.forName(getRelationSourceProperty()).in(sourceCrit));
        }
        return (crit);
    }

    public Criterion getTargetCriterion() {
        DetachedCriteria crit = getTargetCriteria();
        Criterion relation = Property.forName(getSourceProjection())
                .in(crit.setProjection(Projections.property(getRelationSourceProperty())));
        return (relation);
    }

    public Criterion getSourceCriterion() {
        DetachedCriteria crit = getSourceCriteria();
        Criterion relation = Property.forName(getTargetProjection())
                .in(crit.setProjection(Projections.property(getRelationTargetProperty())));
        return (relation);
    }

}