Java tutorial
/* * Copyright 2000-2013 Enonic AS * http://www.enonic.com/license */ package com.enonic.cms.core.structure.menuitem.section; import java.io.Serializable; import org.apache.commons.lang.builder.HashCodeBuilder; import com.enonic.cms.core.AbstractIntegerBasedKey; public class SectionContentKey extends AbstractIntegerBasedKey implements Serializable { public SectionContentKey(String key) { init(key); } public SectionContentKey(int key) { init(key); } public SectionContentKey(Integer key) { init(key); } @Override protected int minAllowedValue() { return -1; } public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof SectionContentKey)) { return false; } SectionContentKey that = (SectionContentKey) o; if (intValue() != that.intValue()) { return false; } return true; } public int hashCode() { return new HashCodeBuilder(823, 263).append(intValue()).toHashCode(); } public static SectionContentKey parse(String str) { if (str == null) { return null; } return new SectionContentKey(str); } }