--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * Copyright (C) 2017 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.ccsdk.sli.adaptors.ra;
+
+import java.security.SecureRandom;
+import java.util.Map;
+import org.onap.ccsdk.sli.adaptors.lock.comp.LockHelper;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ResourceLockNode implements SvcLogicJavaPlugin {
+
+ private static final Logger log = LoggerFactory.getLogger(ResourceLockNode.class);
+
+ private LockHelper lockHelper;
+
+ public void setLockHelper(LockHelper lockHelper) {
+ this.lockHelper = lockHelper;
+ }
+
+ public void lockResource(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
+ String resourceName = getParam(paramMap, "resource-name", true, null);
+ String lockRequester = getParam(paramMap, "lock-requester", false, generateLockRequester());
+ String lockTimeoutStr = getParam(paramMap, "lock-timeout", false, "600"); // Default lock timeout: 10 min
+ int lockTimeout = Integer.parseInt(lockTimeoutStr);
+
+ lockHelper.lock(resourceName, lockRequester, lockTimeout);
+ }
+
+ public void unlockResource(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
+ String resourceName = getParam(paramMap, "resource-name", true, null);
+
+ lockHelper.unlock(resourceName, false);
+ }
+
+ public void lockResource(String resourceName, String lockRequester, int lockTimeout /* sec */) {
+ if (lockRequester == null) {
+ lockRequester = generateLockRequester();
+ }
+ if (lockTimeout <= 0) {
+ lockTimeout = 600;
+ }
+
+ lockHelper.lock(resourceName, lockRequester, lockTimeout);
+ }
+
+ public void unlockResource(String resourceName) {
+ lockHelper.unlock(resourceName, false);
+ }
+
+ private String getParam(Map<String, String> paramMap, String name, boolean required, String def)
+ throws SvcLogicException {
+ String v = paramMap.get(name);
+ if (v != null && v.trim().length() > 0) {
+ log.info("Param: " + name + ": " + v.trim());
+ return v.trim();
+ }
+ if (required) {
+ throw new SvcLogicException("The following node parameter is required: " + name);
+ }
+
+ log.info("Param: " + name + " not supplied. Using default: " + def);
+ return def;
+ }
+
+ private static String generateLockRequester() {
+ SecureRandom rand = new SecureRandom();
+ return "SynchronizedFunction-" + (int) (rand.nextDouble() * 1000000);
+ }
+}
+
--- /dev/null
+package jtest.org.onap.ccsdk.sli.adaptors.ra;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.onap.ccsdk.sli.adaptors.ra.ResourceLockNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = { "classpath:test-context.xml" })
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class TestResourceLockNode {
+
+ @SuppressWarnings("unused")
+ private static final Logger log = LoggerFactory.getLogger(TestResourceLockNode.class);
+
+ @Autowired
+ private ResourceLockNode resourceLockNode;
+
+ @Test
+ public void test1() throws Exception {
+ Map<String, String> paramMap = new HashMap<>();
+ paramMap.put("resource-name", "test-resource-1");
+
+ resourceLockNode.lockResource(paramMap, null);
+ resourceLockNode.unlockResource(paramMap, null);
+ }
+}