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Diffstat (limited to 'appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/onap/appc/executionqueue/helper/Util.java')
-rw-r--r-- | appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/onap/appc/executionqueue/helper/Util.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/onap/appc/executionqueue/helper/Util.java b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/onap/appc/executionqueue/helper/Util.java new file mode 100644 index 000000000..58279e8a7 --- /dev/null +++ b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/onap/appc/executionqueue/helper/Util.java @@ -0,0 +1,101 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP : APPC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Copyright (C) 2017 Amdocs + * ============================================================================= + * 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. + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * ============LICENSE_END========================================================= + */ + +package org.onap.appc.executionqueue.helper; + +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; +import org.onap.appc.configuration.Configuration; +import org.onap.appc.configuration.ConfigurationFactory; +import org.onap.appc.executionqueue.impl.QueueManager; + +import java.util.concurrent.Executors; +import java.util.concurrent.ThreadFactory; +import java.util.concurrent.atomic.AtomicInteger; + +public class Util { + + private final EELFLogger logger = EELFManager.getInstance().getLogger(Util.class); + private final int default_queue_size = 10; + private final int default_threadpool_size = 10; + private final String queue_size_key = "appc.dispatcher.executionqueue.backlog.size"; + private final String threadpool_size_key = "appc.dispatcher.executionqueue.threadpool.size"; + + private Configuration configuration; + + /** + * Initialization. + * <p>Used by blueprint. + */ + public void init() { + + configuration = ConfigurationFactory.getConfiguration(); + } + + public int getExecutionQueueSize() { + String sizeStr = configuration.getProperty(queue_size_key, String.valueOf(default_queue_size)); + + int size = default_queue_size; + try { + size = Integer.parseInt(sizeStr); + } catch (NumberFormatException e) { + logger.error("Error while parse key:" + queue_size_key + " got from configuration " + e.getMessage(), e); + } + + return size; + } + + public int getThreadPoolSize() { + String sizeStr = configuration.getProperty(threadpool_size_key, String.valueOf(default_threadpool_size)); + + int size = default_threadpool_size; + try { + size = Integer.parseInt(sizeStr); + } catch (NumberFormatException e) { + logger.error("Error while parse key:" + threadpool_size_key + " got from configuration " + + e.getMessage(), e); + } + + return size; + } + + public ThreadFactory getThreadFactory(final boolean isDaemon, final String threadNamePrefix) { + return new ThreadFactory() { + private final String THREAD_NAME_PATTERN = "%s-%d"; + private final ThreadFactory factory = Executors.defaultThreadFactory(); + private final AtomicInteger counter = new AtomicInteger(); + + public Thread newThread(Runnable r) { + Thread t = factory.newThread(r); + t.setDaemon(isDaemon); + if (threadNamePrefix != null && !threadNamePrefix.isEmpty()) { + final String threadName = String.format(THREAD_NAME_PATTERN, threadNamePrefix, counter + .incrementAndGet()); + t.setName(threadName); + } + return t; + } + }; + } +} |