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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * Licensed 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. See accompanying
 * LICENSE file.
 */

package com.gemstone.gemfire.cache.query;

import com.gemstone.gemfire.cache.CacheRuntimeException;
import com.gemstone.gemfire.cache.control.ResourceManager;
/**
 * Thrown when the query is executing and the critical heap percentage is met.
 * @see ResourceManager#setCriticalHeapPercentage(float)
 * @see ResourceManager#getCriticalHeapPercentage()
 * 
 * If critical heap percentage is set, the query monitor can be disabled
 * from sending out QueryExecutionLowMemoryExeceptions at the risk of
 * a query exhausting all memory.
 *
 * @author jhuynh
 * @since 7.0
 */
public class QueryExecutionLowMemoryException extends CacheRuntimeException {
  
  /**
   * Creates a new instance of QueryExecutionLowMemoryException without detail message.
   */
  public QueryExecutionLowMemoryException() {
  }
  
  /**
   * Constructs an instance of QueryExecutionLowMemoryException with the specified detail message.
   * @param msg the detail message.
   */
  public QueryExecutionLowMemoryException(String msg) {
    super(msg);
  }
  
  /**
   * Constructs an instance of QueryExecutionLowMemoryException with the specified detail message
   * and cause.
   * @param msg the detail message
   * @param cause the causal Throwable
   */
  public QueryExecutionLowMemoryException(String msg, Throwable cause) {
    super(msg, cause);
  }
  
  /**
   * Constructs an instance of QueryExecutionLowMemoryException with the specified cause.
   * @param cause the causal Throwable
   */
  public QueryExecutionLowMemoryException(Throwable cause) {
    super(cause);
  }
}