2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2018 Ericsson. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.apex.context.test.lock.modifier;
23 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 ReadLockAlbumModifier implements a read lock context album.
34 public class ReadLockAlbumModifier implements AlbumModifier {
35 private static final XLogger LOGGER = XLoggerFactory.getXLogger(ReadLockAlbumModifier.class);
40 * @see org.onap.policy.apex.context.test.lock.modifier.AlbumModifier#modifyAlbum(org.onap.policy.apex.context.
41 * ContextAlbum, int, int)
44 public void modifyAlbum(final ContextAlbum contextAlbum, final int loopSize, final int arraySize) {
45 final Random rand = new Random();
46 for (int i = 0; i < loopSize; i++) {
47 final String nextLongKey = Integer.toString(rand.nextInt(arraySize));
49 contextAlbum.lockForReading(nextLongKey);
50 } catch (final ContextException e) {
51 LOGGER.error("could not acquire read lock on context album, key=" + nextLongKey, e);
55 final TestContextLongItem item = (TestContextLongItem) contextAlbum.get(nextLongKey);
56 final long value = item.getLongValue();
57 if (LOGGER.isTraceEnabled()) {
58 LOGGER.trace("lock type={}, value={}", LockType.READ_LOCK, value);
62 contextAlbum.unlockForReading(nextLongKey);
63 } catch (final ContextException e) {
64 LOGGER.error("could not release read lock on context album, key=" + nextLongKey, e);