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    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.statemachine.transition;
    21
    22  import org.apache.mina.statemachine.context.StateContext;
    23  import org.apache.mina.statemachine.State;
    24
    25  /**
    26   * The interface implemented by classes which need to react on entering
    27   * a certain states.
    28   *
    29   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    30   */
    31  public interface SelfTransition {
    32      /**
    33       * Executes this {@link SelfTransition}.
    34       *
    35       * @return <code>true</code> if the {@link SelfTransition} was executed,
    36       *         <code>false</code> otherwise.
    37       */
    38
    39      boolean execute(StateContext stateContext, State state);
    40
    41  }