/*
 * 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.geode.management.cli;

import java.util.Map;

/**
 * Represents GemFire Command Line Interface (CLI) command strings. A <code>CommandStatement</code>
 * instance can be used multiple times to process the same command string repeatedly.
 *
 *
 * @since GemFire 7.0
 *
 * @deprecated since Geode 1.3. simply use commandProcessor to process the command
 */
public interface CommandStatement {

  /**
   * Returns the user specified command string.
   */
  public String getCommandString();

  /**
   * Returns the CLI environment variables.
   */
  public Map<String, String> getEnv();

  /**
   * Processes this command statement with the user specified command string and environment
   *
   * @return The {@link Result} of the execution of this command statement.
   */
  public Result process();


  /**
   * Returns whether the command statement is well formed.
   *
   * @return True if the command statement is well formed, false otherwise.
   */
  public boolean validate();
}
