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;
26 import org.onap.policy.apex.context.ContextAlbum;
27 import org.onap.policy.apex.context.ContextException;
28 import org.onap.policy.apex.context.test.concepts.TestContextLongItem;
29 import org.slf4j.ext.XLogger;
30 import org.slf4j.ext.XLoggerFactory;
33 * The Class ReadLockAlbumModifier implements a read lock context album.
35 public class ReadLockAlbumModifier implements AlbumModifier {
36 private static final XLogger LOGGER = XLoggerFactory.getXLogger(ReadLockAlbumModifier.class);
42 public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) {
43 final Random rand = new Random();
44 for (int i = 0; i < loopSize; i++) {
45 final String nextLongKey = Integer.toString(rand.nextInt(arraySize));
47 contextAlbum.lockForReading(nextLongKey);
48 } catch (final ContextException e) {
49 LOGGER.error("could not acquire read lock on context album, key=" + nextLongKey, e);
53 final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(nextLongKey);
54 final long value = item.getLongValue();
55 if (LOGGER.isTraceEnabled()) {
56 LOGGER.trace("lock type={}, value={}", LockType.READ_LOCK, value);
60 contextAlbum.unlockForReading(nextLongKey);
61 } catch (final ContextException e) {
62 LOGGER.error("could not release read lock on context album, key=" + nextLongKey, e);