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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  package org.apache.maven.lifecycle.internal;
20  
21  /**
22   * Represents where a dynamic phase should be executed within a static phase.
23   */
24  public enum PhaseExecutionPoint {
25      /**
26       * Execution must occur before any executions of the phase proper. Failure of any {@code #BEFORE} dynamic phase
27       * execution will prevent the {@link #AT} phase but will not prevent any {@link #AFTER} dynamic phases.
28       */
29      BEFORE("before:"),
30      /**
31       * Execution is the execution of the phase proper. Failure of any {@code #AT} dynamic phase execution will fail
32       * the phase. Any {@link #AFTER} phases will still be executed.
33       */
34      AT(""),
35      /**
36       * Guaranteed execution dynamic phases on completion of the static phase. All {@code #AFTER} dynamic phases will
37       * be executed provided at least one {@link #BEFORE} or {@link #AT} dynamic phase has started execution.
38       */
39      AFTER("after:");
40  
41      private final String prefix;
42  
43      PhaseExecutionPoint(String prefix) {
44          this.prefix = prefix;
45      }
46  
47      public String prefix() {
48          return prefix;
49      }
50  }