PolicyTree.java

/*******************************************************************************
 * Copyright 2006 - 2012 Vienna University of Technology,  
 * Department of Software Technology and Interactive Systems, IFS
 * 
 * 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.
 * 
 * This work originates from the Planets project, co-funded by the European Union under the Sixth Framework Programme.
 ******************************************************************************/
package eu.scape_project.planning.model.tree;

import java.io.Serializable;

import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.validation.Valid;

import eu.scape_project.planning.model.PolicyNode;

@Entity
public class PolicyTree implements Serializable {

    private static final long serialVersionUID = -5549892793184360859L;

    @Id
    @GeneratedValue
    private int id;

    @Valid
    @ManyToOne(cascade = CascadeType.ALL, fetch=FetchType.EAGER)
    private PolicyNode root;

    public boolean isPolicyTreeDefined() {
        return root != null;
    }

    public PolicyTree() {

    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public PolicyNode getRoot() {
        return root;
    }

    public void setRoot(PolicyNode root) {
        this.root = root;
    }
}