Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.sg.domail.vo; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; /** * * @author tarasev */ public class PdfPurchase { private final SchemaId schemaId; public PdfPurchase(SchemaId schemaId) { if (schemaId == null) { throw new IllegalArgumentException(); } this.schemaId = schemaId; } /** * @return the schemaId */ public SchemaId getSchemaId() { return schemaId; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null || this.getClass() != obj.getClass()) { return false; } PdfPurchase other = (PdfPurchase) obj; return new EqualsBuilder().append(this.schemaId, other.schemaId).isEquals(); } @Override public int hashCode() { return new HashCodeBuilder().append(schemaId).build(); } }