| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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 org.apache.geode.cache.query.internal; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.geode.cache.query.AmbiguousNameException; |
| import org.apache.geode.cache.query.FunctionDomainException; |
| import org.apache.geode.cache.query.NameResolutionException; |
| import org.apache.geode.cache.query.QueryInvocationTargetException; |
| import org.apache.geode.cache.query.QueryService; |
| import org.apache.geode.cache.query.TypeMismatchException; |
| |
| public class CompiledUnaryMinus extends AbstractCompiledValue { |
| |
| private CompiledValue _value; |
| |
| public CompiledUnaryMinus(CompiledValue value) { |
| _value = value; |
| } |
| |
| |
| @Override |
| public List getChildren() { |
| return Collections.singletonList(this._value); |
| } |
| |
| @Override |
| public int getType() { |
| return LITERAL_sum; |
| } |
| |
| @Override |
| public Object evaluate(ExecutionContext context) throws FunctionDomainException, |
| TypeMismatchException, NameResolutionException, QueryInvocationTargetException { |
| return minus(_value.evaluate(context)); |
| } |
| |
| @Override |
| public Set computeDependencies(ExecutionContext context) |
| throws TypeMismatchException, AmbiguousNameException, NameResolutionException { |
| return context.addDependencies(this, this._value.computeDependencies(context)); |
| } |
| |
| private Object minus(Object obj) throws TypeMismatchException { |
| |
| if (obj instanceof Number) { |
| if (obj instanceof Integer) |
| return Integer.valueOf(((Integer) obj).intValue() * -1); |
| if (obj instanceof Long) |
| return Long.valueOf(((Long) obj).longValue() * -1); |
| if (obj instanceof Double) |
| return Double.valueOf(((Double) obj).doubleValue() * -1); |
| if (obj instanceof Float) |
| return Float.valueOf(((Float) obj).floatValue() * -1); |
| if (obj instanceof Byte) |
| return Byte.valueOf((byte) (((Byte) obj).byteValue() * -1)); |
| if (obj instanceof Short) |
| return Short.valueOf((short) (((Short) obj).shortValue() * -1)); |
| } else if (obj == null || obj == QueryService.UNDEFINED) |
| return QueryService.UNDEFINED; |
| throw new TypeMismatchException(String.format("%s cannot be unary minus", |
| obj.getClass())); |
| } |
| |
| } |