/* * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software;Designed and Developed mainly by many Chinese * opensource volunteers. you can redistribute it and/or modify it under the * terms of the GNU General Public License version 2 only, as published by the * Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Any questions about this component can be directed to it's project Web address * https://code.google.com/p/opencloudb/. * */ package com.akiban.sql.parser; import com.akiban.sql.StandardException; /** * A TestConstraintNode is used to determine when a constraint * has been violated. * */ public class TestConstraintNode extends UnaryLogicalOperatorNode { private String sqlState; private String tableName; private String constraintName; /** * Initializer for a TestConstraintNode * * @param booleanValue The operand of the constraint test * @param sqlState The SQLState of the exception to throw if the * constraint has failed * @param tableName The name of the table that the constraint is on * @param constraintName The name of the constraint being checked */ public void init(Object booleanValue, Object sqlState, Object tableName, Object constraintName) throws StandardException { super.init(booleanValue, "throwExceptionIfFalse"); this.sqlState = (String)sqlState; this.tableName = (String)tableName; this.constraintName = (String)constraintName; } /** * Fill this node with a deep copy of the given node. */ public void copyFrom(QueryTreeNode node) throws StandardException { super.copyFrom(node); TestConstraintNode other = (TestConstraintNode)node; this.sqlState = other.sqlState; this.tableName = other.tableName; this.constraintName = other.constraintName; } }