/* * Copyright (c) 2007 BUSINESS OBJECTS SOFTWARE LIMITED * 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 Business Objects 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 THE COPYRIGHT OWNER 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. */ /* * NStrictRecordPrimitive.java * Created: Jan 16, 2007 * By: Bo Ilic */ package org.openquark.cal.internal.machine.g.functions; import java.util.List; import org.openquark.cal.compiler.QualifiedName; import org.openquark.cal.internal.machine.g.Executor; import org.openquark.cal.internal.machine.g.NPrimitiveFunc; import org.openquark.cal.internal.machine.g.NRecordValue; import org.openquark.cal.internal.machine.g.Node; import org.openquark.cal.internal.module.Cal.Core.CAL_Record_internal; import org.openquark.cal.runtime.CALExecutorException; /** * Implementation of Record.strictRecordPrimitive :: {r} -> {r}; */ public final class NStrictRecordPrimitive extends NPrimitiveFunc { public static final QualifiedName name = CAL_Record_internal.Functions.strictRecordPrimitive; public static final NStrictRecordPrimitive instance = new NStrictRecordPrimitive (); private NStrictRecordPrimitive () {/* Constructor made private for creation control. */} @Override protected int getArity () { return 1; } @Override protected QualifiedName getName () { return name; } @Override public Node doEvaluation (Node[] arguments, Executor executor) throws CALExecutorException { final NRecordValue record = (NRecordValue) executor.internalEvaluate(arguments[0]); //we need to go through the fields of the record in field-name order final List<String> fieldNames = record.fieldNames(); final int nFields = fieldNames.size(); for (int i = 0; i < nFields; ++i) { final String fieldName = fieldNames.get(i); final Node fieldValue = record.getValue(fieldName); final Node evaluatedFieldValue = executor.internalEvaluate(fieldValue); if (fieldValue != evaluatedFieldValue) { //remove indirections record.putValue(fieldName, evaluatedFieldValue); } } return record; } }