Java tutorial
/** * Copyright 1999-2011 Alibaba Group * * 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 com.alibaba.cobar.client.router.rules; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.Validate; /** * horizontal partitioning oriented rule that matches against entity/table type and attribute values.<br> * * @author fujohnwang * * @param <F> * @param <T> */ public abstract class AbstractEntityAttributeRule<F, T> extends AbstractEntityTypeRule<F, T> { private String attributePattern; public AbstractEntityAttributeRule(String typePattern, String action) { super(typePattern, action); } public AbstractEntityAttributeRule(String typePattern, String action, String attributePattern) { super(typePattern, action); Validate.notEmpty(StringUtils.trimToEmpty(attributePattern)); this.attributePattern = attributePattern; } public String getAttributePattern() { return attributePattern; } public void setAttributePattern(String attributePattern) { Validate.notEmpty(StringUtils.trimToEmpty(attributePattern)); this.attributePattern = attributePattern; } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + ((attributePattern == null) ? 0 : attributePattern.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (!super.equals(obj)) return false; if (getClass() != obj.getClass()) return false; AbstractEntityAttributeRule other = (AbstractEntityAttributeRule) obj; if (attributePattern == null) { if (other.attributePattern != null) return false; } else if (!attributePattern.equals(other.attributePattern)) return false; return true; } }