Biblioteca Java - Rev 14

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/*
 * Copyright 2012 the original author or authors.
 *
 * 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.
 */
package hm.spring.web.domain;

/**
 * @author Oliver Gierke
 * @author Thomas Risberg
 */
public class AbstractEntity {

        private Integer id;

        public Integer getId() {
                return id;
        }

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

        /*
         * (non-Javadoc)
         * @see java.lang.Object#equals(java.lang.Object)
         */
        @Override
        public boolean equals(Object obj) {

                if (this == obj) {
                        return true;
                }

                if (this.id == null || obj == null || !(this.getClass().equals(obj.getClass()))) {
                        return false;
                }

                AbstractEntity that = (AbstractEntity) obj;

                return this.id.equals(that.getId());
        }

        /*
         * (non-Javadoc)
         * @see java.lang.Object#hashCode()
         */
        @Override
        public int hashCode() {
                return id == null ? 0 : id.hashCode();
        }
}