| /* |
| * 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. |
| */ |
| package org.apache.hadoop.maven.plugin.paralleltests; |
| |
| import java.io.File; |
| |
| import org.apache.maven.plugin.AbstractMojo; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugins.annotations.LifecyclePhase; |
| import org.apache.maven.plugins.annotations.Mojo; |
| import org.apache.maven.plugins.annotations.Parameter; |
| |
| |
| /** |
| * Goal which creates the parallel-test directories. |
| */ |
| @Mojo(name="parallel-tests-createdir", |
| defaultPhase = LifecyclePhase.GENERATE_TEST_RESOURCES) |
| public class CreateDirsMojo extends AbstractMojo { |
| |
| /** |
| * Location of the test.build.dir. |
| */ |
| @Parameter(defaultValue="${project.build.directory}/test-dir") |
| private File testBuildDir; |
| |
| /** |
| * Location of the test.build.data. |
| */ |
| @Parameter(defaultValue="${project.build.directory}/test-dir") |
| private File testBuildData; |
| |
| /** |
| * Location of the test.build.data. |
| */ |
| @Parameter(defaultValue="${project.build.directory}/tmp") |
| private File hadoopTmpDir; |
| |
| /** |
| * Thread count. |
| */ |
| @Parameter(defaultValue="${testsThreadCount}") |
| private String testsThreadCount; |
| |
| public void execute() throws MojoExecutionException { |
| int numDirs=getTestsThreadCount(); |
| |
| mkParallelDirs(testBuildDir, numDirs); |
| mkParallelDirs(testBuildData, numDirs); |
| mkParallelDirs(hadoopTmpDir, numDirs); |
| } |
| |
| /** |
| * Get the real number of parallel threads. |
| * @return int number of threads |
| */ |
| |
| public int getTestsThreadCount() { |
| int threadCount = 1; |
| if (testsThreadCount != null) { |
| String trimProp = testsThreadCount.trim(); |
| if (trimProp.endsWith("C")) { |
| double multiplier = Double.parseDouble( |
| trimProp.substring(0, trimProp.length()-1)); |
| double calculated = multiplier * ((double) Runtime |
| .getRuntime() |
| .availableProcessors()); |
| threadCount = calculated > 0d ? Math.max((int) calculated, 1) : 0; |
| } else { |
| threadCount = Integer.parseInt(testsThreadCount); |
| } |
| } |
| return threadCount; |
| } |
| |
| private void mkParallelDirs(File testDir, int numDirs) |
| throws MojoExecutionException { |
| for (int i=1; i<=numDirs; i++) { |
| File newDir = new File(testDir, String.valueOf(i)); |
| if (!newDir.exists()) { |
| getLog().info("Creating " + newDir.toString()); |
| if (!newDir.mkdirs()) { |
| throw new MojoExecutionException("Unable to create " |
| + newDir.toString()); |
| } |
| } |
| } |
| } |
| } |