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authorJim Hahn <jrh3@att.com>2020-02-14 16:29:11 -0500
committerJim Hahn <jrh3@att.com>2020-02-17 09:26:49 -0500
commit0cad58cbf2229bb0d8843caf6cf4d0606ab88d79 (patch)
tree9e077710e0f1426d8899ebfe3f4ddc73c4a60cb0 /utils-test/src/main/java
parent9360a389f976d2b0d323846292ebe33e3229c228 (diff)
Add PseudoExecutor to utils-test
Moved MyExec from actors package to policy-common/utils-test, renaming it to PseudoExecutor. Updated per review comment(s): - declare "task" of type "Queue" instead of "LinkedList" Issue-ID: POLICY-2363 Signed-off-by: Jim Hahn <jrh3@att.com> Change-Id: I40049ca52defecc4f3f7479470c28da58521866d
Diffstat (limited to 'utils-test/src/main/java')
-rw-r--r--utils-test/src/main/java/org/onap/policy/common/utils/time/PseudoExecutor.java70
1 files changed, 70 insertions, 0 deletions
diff --git a/utils-test/src/main/java/org/onap/policy/common/utils/time/PseudoExecutor.java b/utils-test/src/main/java/org/onap/policy/common/utils/time/PseudoExecutor.java
new file mode 100644
index 00000000..d8b792a8
--- /dev/null
+++ b/utils-test/src/main/java/org/onap/policy/common/utils/time/PseudoExecutor.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.time;
+
+import java.util.LinkedList;
+import java.util.Queue;
+import java.util.concurrent.Executor;
+import lombok.Getter;
+
+/**
+ * Executor that will run tasks until the queue is empty or a maximum number of tasks have
+ * been executed. Doesn't actually run anything until {@link #runAll()} is invoked.
+ */
+public class PseudoExecutor implements Executor {
+
+ /**
+ * Tasks to be run.
+ */
+ @Getter
+ private final Queue<Runnable> tasks = new LinkedList<>();
+
+
+ /**
+ * Gets the queue length.
+ *
+ * @return the queue length
+ */
+ public int getQueueLength() {
+ return tasks.size();
+ }
+
+ @Override
+ public void execute(Runnable command) {
+ tasks.add(command);
+ }
+
+ /**
+ * Runs all tasks until the queue is empty or the maximum number of tasks have been
+ * reached.
+ *
+ * @param maxTasks maximum number of tasks to run
+ * @return {@code true} if the queue is empty, {@code false} if the maximum number of
+ * tasks have been reached before the queue was emptied
+ */
+ public boolean runAll(int maxTasks) {
+ for (int count = 0; count < maxTasks && !tasks.isEmpty(); ++count) {
+ tasks.remove().run();
+ }
+
+ return tasks.isEmpty();
+ }
+}