Subversion Repositories SmartDukaan

/*

 * 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.

 */

import org.apache.thrift.TException;

import org.apache.thrift.protocol.TBinaryProtocol;

import org.apache.thrift.protocol.TProtocol;

import org.apache.thrift.server.TServer;

import org.apache.thrift.server.TSimpleServer;

import org.apache.thrift.transport.TServerSocket;

import org.apache.thrift.transport.TServerTransport;

// Generated code

import tutorial.*;

import shared.*;

import java.util.HashMap;

public class JavaServer {

  public static class CalculatorHandler implements Calculator.Iface {

    private HashMap<Integer,SharedStruct> log;

    public CalculatorHandler() {

      log = new HashMap<Integer, SharedStruct>();

    }

    public void ping() {

      System.out.println("ping()");

    }

    public int add(int n1, int n2) {

      System.out.println("add(" + n1 + "," + n2 + ")");

      return n1 + n2;

    }

    public int calculate(int logid, Work work) throws InvalidOperation {

      System.out.println("calculate(" + logid + ", {" + work.op + "," + work.num1 + "," + work.num2 + "})");

      int val = 0;

      switch (work.op) {

      case Operation.ADD:

        val = work.num1 + work.num2;

        break;

      case Operation.SUBTRACT:

        val = work.num1 - work.num2;

        break;

      case Operation.MULTIPLY:

        val = work.num1 * work.num2;

        break;

      case Operation.DIVIDE:

        if (work.num2 == 0) {

          InvalidOperation io = new InvalidOperation();

          io.what = work.op;

          io.why = "Cannot divide by 0";

          throw io;

        }

        val = work.num1 / work.num2;

        break;

      default:

        InvalidOperation io = new InvalidOperation();

        io.what = work.op;

        io.why = "Unknown operation";

        throw io;

      }

      SharedStruct entry = new SharedStruct();

      entry.key = logid;

      entry.value = Integer.toString(val);

      log.put(logid, entry);

      return val;

    }

    public SharedStruct getStruct(int key) {

      System.out.println("getStruct(" + key + ")");

      return log.get(key);

    }

    public void zip() {

      System.out.println("zip()");

    }

  }

  public static void main(String [] args) {

    try {

      CalculatorHandler handler = new CalculatorHandler();

      Calculator.Processor processor = new Calculator.Processor(handler);

      TServerTransport serverTransport = new TServerSocket(9090);

      TServer server = new TSimpleServer(processor, serverTransport);

      // Use this for a multithreaded server

      // server = new TThreadPoolServer(processor, serverTransport);

      System.out.println("Starting the server...");

      server.serve();

    } catch (Exception x) {

      x.printStackTrace();

    }

    System.out.println("done.");

  }

}