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HSQLDB example source code file (DatabaseObjectNames.java)
The HSQLDB DatabaseObjectNames.java source code/* Copyright (c) 2001-2008, The HSQL Development Group * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the HSQL Development Group nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.hsqldb; import org.hsqldb.HsqlNameManager.HsqlName; import org.hsqldb.lib.HashMap; import org.hsqldb.lib.Iterator; /** * Transitional container for object names that are unique across the * DB instance but are owned by different DB objects. Currently names for * Index and Trigger objects.<p> * * @author fredt@users * @version 1.7.2 * @since 1.7.2 */ class DatabaseObjectNames { HashMap nameList = new HashMap(); DatabaseObjectNames() {} boolean containsName(String name) { return nameList.containsKey(name); } HsqlName getOwner(String name) { return (HsqlName) nameList.get(name); } void addName(String name, HsqlName owner, int errorcode) throws HsqlException { // should not contain name if (containsName(name)) { throw Trace.error(errorcode, name); } nameList.put(name, owner); } void rename(String name, String newname, int errorcode) throws HsqlException { HsqlName owner = (HsqlName) nameList.get(name); addName(newname, owner, errorcode); nameList.remove(name); } Object removeName(String name) throws HsqlException { Object owner = nameList.remove(name); if (owner == null) { // should contain name throw Trace.error(Trace.GENERAL_ERROR); } return owner; } void removeOwner(HsqlName owner) { Iterator it = nameList.values().iterator(); while (it.hasNext()) { Object currentvalue = it.next(); if (owner.equals(currentvalue)) { it.remove(); } } } } Other HSQLDB examples (source code examples)Here is a short list of links related to this HSQLDB DatabaseObjectNames.java source code file: |
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