| /* |
| * 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.asterix.lang.common.context; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.asterix.common.functions.FunctionSignature; |
| |
| public class FunctionSignatures { |
| private final Map<FunctionSignature, FunctionExpressionMap> functionMap; |
| |
| public FunctionSignatures() { |
| functionMap = new HashMap<FunctionSignature, FunctionExpressionMap>(); |
| } |
| |
| public FunctionSignature get(String dataverse, String name, int arity) { |
| FunctionSignature fid = new FunctionSignature(dataverse, name, arity); |
| FunctionExpressionMap possibleFD = functionMap.get(fid); |
| if (possibleFD == null) { |
| return null; |
| } else { |
| return possibleFD.get(arity); |
| } |
| } |
| |
| public void addAll(FunctionSignatures functionSignatures) { |
| functionMap.putAll(functionSignatures.functionMap); |
| } |
| |
| public void put(FunctionSignature fd, boolean varargs) { |
| FunctionExpressionMap func = functionMap.get(fd); |
| if (func == null) { |
| func = new FunctionExpressionMap(varargs); |
| functionMap.put(fd, func); |
| } |
| func.put(fd.getArity(), fd); |
| } |
| } |