01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18:
19: package org.apache.tools.ant.helper;
20:
21: import org.apache.tools.ant.Project;
22: import org.apache.tools.ant.Executor;
23: import org.apache.tools.ant.BuildException;
24:
25: /**
26: * "Single-check" Target executor implementation.
27: * Differs from {@link DefaultExecutor} in that the dependencies for all
28: * targets are computed together, so that shared dependencies are run just once.
29: * @since Ant 1.6.3
30: */
31: public class SingleCheckExecutor implements Executor {
32:
33: /** {@inheritDoc}. */
34: public void executeTargets(Project project, String[] targetNames)
35: throws BuildException {
36: project.executeSortedTargets(project.topoSort(targetNames,
37: project.getTargets(), false));
38: }
39:
40: /** {@inheritDoc}. */
41: public Executor getSubProjectExecutor() {
42: return this;
43: }
44:
45: }
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