com.aeells.hibernate.model.Parent.java Source code

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Here is the source code for com.aeells.hibernate.model.Parent.java

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/**
 * Copyright (c) 2012 Andrew Eells
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package com.aeells.hibernate.model;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ReflectionToStringBuilder;

import javax.persistence.Entity;
import javax.persistence.OneToMany;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import static javax.persistence.CascadeType.ALL;
import static javax.persistence.FetchType.LAZY;

@Entity
public class Parent extends AbstractPersistentObject {
    private static final String[] EXCLUDED_FIELDS = { "children" };

    @OneToMany(mappedBy = "parent", fetch = LAZY, cascade = { ALL })
    private List<Child> children = new ArrayList<Child>();

    public Parent() {
    }

    public Parent(final int version) {
        super.setVersion(version);
    }

    public void addChild(final Child child) {
        this.children.add(child);
    }

    public List<Child> getChildren() {
        return Collections.unmodifiableList(this.children);
    }

    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this, EXCLUDED_FIELDS);
    }

    @Override
    public boolean equals(Object obj) {
        return EqualsBuilder.reflectionEquals(this, obj, EXCLUDED_FIELDS);
    }

    @Override
    public String toString() {
        final ReflectionToStringBuilder builder = new ReflectionToStringBuilder(this);
        builder.setExcludeFieldNames(EXCLUDED_FIELDS);
        return builder.toString();
    }
}