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114 lines
3.4 KiB
114 lines
3.4 KiB
/* Copyright (c) 2001-2014, The HSQL Development Group |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* Redistributions of source code must retain the above copyright notice, this |
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* list of conditions and the following disclaimer. |
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* |
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* Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* Neither the name of the HSQL Development Group nor the names of its |
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* contributors may be used to endorse or promote products derived from this |
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* software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, |
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package com.fr.third.org.hsqldb; |
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/** |
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* @author Fred Toussi (fredt@users dot sourceforge.net) |
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* @version 2.3.2 |
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* @since 2.2.9 |
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*/ |
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public interface RangeGroup { |
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RangeGroup emptyGroup = new RangeGroupEmpty(); |
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RangeGroup[] emptyArray = new RangeGroup[]{ |
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emptyGroup }; |
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RangeVariable[] getRangeVariables(); |
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void setCorrelated(); |
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boolean isVariable(); |
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public class RangeGroupSimple implements RangeGroup { |
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RangeVariable[] ranges; |
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RangeGroup baseGroup; |
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TableDerived table; |
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boolean isVariable; |
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public RangeGroupSimple(TableDerived table) { |
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ranges = RangeVariable.emptyArray; |
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this.table = table; |
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} |
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public RangeGroupSimple(RangeVariable[] ranges, RangeGroup baseGroup) { |
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this.ranges = ranges; |
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this.baseGroup = baseGroup; |
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} |
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public RangeGroupSimple(RangeVariable[] ranges, boolean isVariable) { |
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this.ranges = ranges; |
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this.isVariable = isVariable; |
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} |
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public RangeVariable[] getRangeVariables() { |
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return ranges; |
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} |
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public void setCorrelated() { |
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if (baseGroup != null) { |
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baseGroup.setCorrelated(); |
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} |
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if (table != null) { |
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table.setCorrelated(); |
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} |
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} |
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public boolean isVariable() { |
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return isVariable; |
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} |
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} |
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public class RangeGroupEmpty implements RangeGroup { |
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RangeGroupEmpty() { |
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// |
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} |
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public RangeVariable[] getRangeVariables() { |
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return RangeVariable.emptyArray; |
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} |
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public void setCorrelated() { |
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// |
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} |
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public boolean isVariable() { |
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return false; |
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} |
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} |
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}
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