content: /*
   * 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 org.apache.asterix.common.functions.FunctionSignature;
  
  public class FunctionExpressionMap extends HashMap<Integer, FunctionSignature> {
      /**
       *
       */
      private static final long serialVersionUID = 1L;
      private boolean varargs;
  
      public boolean isVarargs() {
          return varargs;
      }
  
      public void setVarargs(boolean varargs) {
          this.varargs = varargs;
      }
  
      public FunctionExpressionMap(boolean varargs) {
          super();
          this.varargs = varargs;
      }
  
      public FunctionSignature get(int arity) {
          if (varargs) {
              return super.get(-1);
          } else {
              return super.get(arity);
          }
      }
  
      public FunctionSignature put(int arity, FunctionSignature fd) {
          if (varargs) {
              return super.put(-1, fd);
          } else {
              return super.put(arity, fd);
          }
      }
  }
  