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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, software |
| 13 | + * distributed under the License is distributed on an AS IS BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | + |
| 19 | + /* |
| 20 | + * A convenient task to run individual example directly on Beam repo. |
| 21 | + * |
| 22 | + * Usage: |
| 23 | + * ./gradlew :examples:java:execute -PmainClass=org.apache.beam.examples.<ClassName>`\ |
| 24 | + * -Pexec.args="runner=[DataflowRunner|DirectRunner|FlinkRunner|SparkRunner|PrismRunner] \ |
| 25 | + * <pipeline options>" |
| 26 | + */ |
| 27 | +tasks.create(name:"execute", type:JavaExec) { |
| 28 | + mainClass = project.hasProperty("mainClass") ? project.getProperty("mainClass") : "NONE" |
| 29 | + def execArgs = project.findProperty("exec.args") |
| 30 | + String runner |
| 31 | + if (execArgs) { |
| 32 | + // configure runner dependency from args |
| 33 | + def runnerPattern = /runner[ =]([A-Za-z]+)/ |
| 34 | + def matcher = execArgs =~ runnerPattern |
| 35 | + if (matcher) { |
| 36 | + runner = matcher[0][1] |
| 37 | + runner = runner.substring(0, 1).toLowerCase() + runner.substring(1); |
| 38 | + if (!(runner in (preCommitRunners + nonPreCommitRunners))) { |
| 39 | + throw new GradleException("Unsupported runner: " + runner) |
| 40 | + } |
| 41 | + } |
| 42 | + } |
| 43 | + if (runner) { |
| 44 | + classpath = sourceSets.main.runtimeClasspath + configurations."${runner}PreCommit" |
| 45 | + } else { |
| 46 | + classpath = sourceSets.main.runtimeClasspath |
| 47 | + } |
| 48 | + systemProperties System.getProperties() |
| 49 | + args execArgs ? execArgs.split() : [] |
| 50 | +} |
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