Adds TaskPredicates
Project: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/commit/3385e7b3 Tree: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/tree/3385e7b3 Diff: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/diff/3385e7b3 Branch: refs/heads/master Commit: 3385e7b3edebc05a6eab5229d4208226790b520f Parents: f4533ed Author: Aled Sage <[email protected]> Authored: Thu Aug 20 12:33:20 2015 +0100 Committer: Aled Sage <[email protected]> Committed: Thu Aug 20 12:34:20 2015 +0100 ---------------------------------------------------------------------- .../brooklyn/util/core/task/TaskPredicates.java | 55 ++++++++++++++++++++ .../util/core/task/TaskPredicatesTest.java | 45 ++++++++++++++++ 2 files changed, 100 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/3385e7b3/core/src/main/java/org/apache/brooklyn/util/core/task/TaskPredicates.java ---------------------------------------------------------------------- diff --git a/core/src/main/java/org/apache/brooklyn/util/core/task/TaskPredicates.java b/core/src/main/java/org/apache/brooklyn/util/core/task/TaskPredicates.java new file mode 100644 index 0000000..3e42760 --- /dev/null +++ b/core/src/main/java/org/apache/brooklyn/util/core/task/TaskPredicates.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.brooklyn.util.core.task; + +import static com.google.common.base.Preconditions.checkNotNull; + +import org.apache.brooklyn.api.mgmt.Task; + +import com.google.common.base.Predicate; +import com.google.common.base.Predicates; + +public class TaskPredicates { + + public static Predicate<Task<?>> displayNameMatches(Predicate<? super String> matcher) { + return new DisplayNameMatches(matcher); + } + + public static Predicate<Task<?>> displayNameEqualTo(String name) { + return displayNameMatches(Predicates.equalTo(name)); + } + + private static class DisplayNameMatches implements Predicate<Task<?>> { + private final Predicate<? super String> matcher; + + public DisplayNameMatches(Predicate<? super String> matcher) { + this.matcher = checkNotNull(matcher, "matcher"); + } + + @Override + public boolean apply(Task<?> input) { + return input != null && matcher.apply(input.getDisplayName()); + } + + @Override + public String toString() { + return "displayNameMatches("+matcher+")"; + } + } +} http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/3385e7b3/core/src/test/java/org/apache/brooklyn/util/core/task/TaskPredicatesTest.java ---------------------------------------------------------------------- diff --git a/core/src/test/java/org/apache/brooklyn/util/core/task/TaskPredicatesTest.java b/core/src/test/java/org/apache/brooklyn/util/core/task/TaskPredicatesTest.java new file mode 100644 index 0000000..d87dbb5 --- /dev/null +++ b/core/src/test/java/org/apache/brooklyn/util/core/task/TaskPredicatesTest.java @@ -0,0 +1,45 @@ +package org.apache.brooklyn.util.core.task; + +import static org.testng.Assert.assertFalse; +import static org.testng.Assert.assertTrue; + +import org.apache.brooklyn.api.mgmt.ExecutionManager; +import org.apache.brooklyn.api.mgmt.Task; +import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport; +import org.testng.annotations.BeforeMethod; +import org.testng.annotations.Test; + +import com.google.common.base.Predicates; +import com.google.common.util.concurrent.Callables; + +public class TaskPredicatesTest extends BrooklynAppUnitTestSupport { + + private ExecutionManager execManager; + + @BeforeMethod(alwaysRun=true) + @Override + public void setUp() throws Exception { + super.setUp(); + execManager = mgmt.getExecutionManager(); + } + + @Test + public void testDisplayNameEqualTo() throws Exception { + Task<Object> task = execManager.submit(TaskBuilder.builder() + .body(Callables.<Object>returning("val")) + .displayName("myname") + .build()); + assertTrue(TaskPredicates.displayNameEqualTo("myname").apply(task)); + assertFalse(TaskPredicates.displayNameEqualTo("wrong").apply(task)); + } + + @Test + public void testDisplayNameMatches() throws Exception { + Task<Object> task = execManager.submit(TaskBuilder.builder() + .body(Callables.<Object>returning("val")) + .displayName("myname") + .build()); + assertTrue(TaskPredicates.displayNameMatches(Predicates.equalTo("myname")).apply(task)); + assertFalse(TaskPredicates.displayNameMatches(Predicates.equalTo("wrong")).apply(task)); + } +}
