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There is a newer version: 4.0.1

/**
 * 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.hive.hplsql;

/**
 * Signals and exceptions
 */
public class Signal {
  public enum Type { LEAVE_LOOP, LEAVE_ROUTINE, LEAVE_PROGRAM, SQLEXCEPTION, NOTFOUND, UNSUPPORTED_OPERATION, USERDEFINED };
  Type type;
  String value = "";
  Exception exception = null;
  
  Signal(Type type, String value) {
    this.type = type;
    this.value = value;
    this.exception = null;
  }
  
  Signal(Type type, String value, Exception exception) {
    this.type = type;
    this.value = value;
    this.exception = exception;
  }
  
  /**
   * Get the signal value (message text)
   */
  public String getValue() {
    return value;
  }
}