2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2018 Ericsson. All rights reserved.
4 * Modifications Copyright (C) 2019 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.apex.testsuites.integration.context.lock.modifier;
24 import java.util.Random;
25 import org.onap.policy.apex.context.ContextAlbum;
26 import org.onap.policy.apex.context.ContextException;
27 import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
28 import org.slf4j.ext.XLogger;
29 import org.slf4j.ext.XLoggerFactory;
32 * The Class WriteLockAlbumModifier implements a write lock context album.
34 public class WriteLockAlbumModifier implements AlbumModifier {
35 private static final XLogger LOGGER = XLoggerFactory.getXLogger(WriteLockAlbumModifier.class);
41 public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) {
42 final Random rand = new Random();
43 for (int i = 0; i < loopSize; i++) {
44 final String nextLongKey = Integer.toString(rand.nextInt(arraySize));
46 contextAlbum.lockForWriting(nextLongKey);
47 } catch (final ContextException e) {
48 LOGGER.error("could not acquire write lock on context album, key=" + nextLongKey, e);
52 final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(nextLongKey);
53 long value = item.getLongValue();
54 if (LOGGER.isTraceEnabled()) {
55 LOGGER.trace("lock type={}, value={}", LockType.WRITE_LOCK, value);
57 item.setLongValue(++value);
58 contextAlbum.put(nextLongKey, item);
61 contextAlbum.unlockForWriting(nextLongKey);
62 } catch (final ContextException e) {
63 LOGGER.error("could not release write lock on context album, key=" + nextLongKey, e);