JDouble.java

/**
 * 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.commoncrawl.rpc.compiler;

import org.commoncrawl.rpc.compiler.JType.CType;
import org.commoncrawl.rpc.compiler.JType.CppType;

/**
 */
public class JDouble extends JType {
  
  class JavaDouble extends JavaType {
    
    JavaDouble() {
      super("double", "Double", "Double");
    }
    
    @Override
    void genHashCode(CodeBuffer cb, String fname) {
    	cb.append("result = MurmurHash.hashDouble("+fname+",result);\n");
    }
    
    @Override
    void genClearMethod(CodeBuffer cb, String fname) { 
    	  cb.append(fname+"=0.0;\n");
    }

    boolean isCompareable() { 
    	  return true;
    }    
  }
  /** Creates a new instance of JDouble */
  public JDouble() {
    setJavaType(new JavaDouble());
    setCppType(new CppType("double"));
    setCType(new CType());
  }
  
  String getSignature() {
    return "d";
  }
  
  boolean isComparable() { 
	  return true;
  }
  
}