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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.admin.internal;

import com.gemstone.gemfire.admin.DistributedSystemConfig;
import com.gemstone.gemfire.admin.ManagedEntity;
import com.gemstone.gemfire.admin.ManagedEntityConfig;

/**
 * Defines the actual administration (starting, stopping, etc.) of
 * GemFire {@link ManagedEntity}s.
 * 
 * @author Kirk Lund
 */
interface ManagedEntityController {
  /**
   * Starts a managed entity.
   */
  public void start(final InternalManagedEntity entity);

  /**
   * Stops a managed entity.
   */
  public void stop(final InternalManagedEntity entity);

  /**
   * Returns whether or not a managed entity is running
   */
  public boolean isRunning(InternalManagedEntity entity);
  
  /**
   * Returns the contents of a locator's log file.  Other APIs are
   * used to get the log file of managed entities that are also system
   * members.
   */
  public String getLog(DistributionLocatorImpl locator);
  
  /**
   * Returns the full path to the executable in
   * $GEMFIRE/bin taking into account the {@linkplain
   * ManagedEntityConfig#getProductDirectory product directory} and the
   * platform's file separator.
   *
   * 

* * Note: we should probably do a better job of determine whether or * not the machine on which the entity runs is Windows or Linux. * * @param executable * The name of the executable that resides in * $GEMFIRE/bin. */ public String getProductExecutable(InternalManagedEntity entity, String executable); /** * Builds optional SSL command-line arguments. Returns null if SSL is not * enabled for the distributed system. */ public String buildSSLArguments(DistributedSystemConfig config); }





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