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authorTschaen, Brendan <ctschaen@att.com>2019-02-25 17:31:00 -0500
committerTschaen, Brendan <ctschaen@att.com>2019-02-26 11:51:24 -0500
commitb58e1d3db05aed02b62a557bf14db6ea7b8df5f5 (patch)
tree52efe61d7a948c98d088b6c09e3a31fdc41f801f /src/main/java/org/onap
parent7c2316f479f338c4b0fd9a150d8b858cea3b377c (diff)
Remove zookeeper reference
Test cachingUtil, and other test coverage increase Remove unused code Rebased ontop of authentication changes Change-Id: I795a9a90d0863b03cc2a4917d4ff13a0a6fca1cc Issue-ID: MUSIC-341 Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
Diffstat (limited to 'src/main/java/org/onap')
-rwxr-xr-xsrc/main/java/org/onap/music/authentication/CachingUtil.java45
-rw-r--r--src/main/java/org/onap/music/authentication/MusicAuthentication.java18
-rw-r--r--src/main/java/org/onap/music/conductor/conditionals/RestMusicConditionalAPI.java1
-rw-r--r--src/main/java/org/onap/music/eelf/healthcheck/MusicHealthCheck.java33
-rw-r--r--src/main/java/org/onap/music/lockingservice/zookeeper/LockListener.java40
-rw-r--r--src/main/java/org/onap/music/lockingservice/zookeeper/MusicLockingService.java182
-rw-r--r--src/main/java/org/onap/music/lockingservice/zookeeper/ProtocolSupport.java217
-rw-r--r--src/main/java/org/onap/music/lockingservice/zookeeper/ZNodeName.java121
-rw-r--r--src/main/java/org/onap/music/lockingservice/zookeeper/ZkStatelessLockService.java377
-rw-r--r--src/main/java/org/onap/music/lockingservice/zookeeper/ZooKeeperOperation.java43
-rw-r--r--src/main/java/org/onap/music/main/CronJobManager.java103
-rwxr-xr-xsrc/main/java/org/onap/music/main/MusicUtil.java4
-rwxr-xr-xsrc/main/java/org/onap/music/rest/RestMusicDataAPI.java14
-rw-r--r--src/main/java/org/onap/music/rest/RestMusicHealthCheckAPI.java27
-rwxr-xr-xsrc/main/java/org/onap/music/rest/RestMusicQAPI.java1
-rw-r--r--src/main/java/org/onap/music/service/impl/MusicZKCore.java888
16 files changed, 24 insertions, 2090 deletions
diff --git a/src/main/java/org/onap/music/authentication/CachingUtil.java b/src/main/java/org/onap/music/authentication/CachingUtil.java
index 534038e3..80eed1e6 100755
--- a/src/main/java/org/onap/music/authentication/CachingUtil.java
+++ b/src/main/java/org/onap/music/authentication/CachingUtil.java
@@ -64,11 +64,12 @@ public class CachingUtil implements Runnable {
private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(CachingUtil.class);
+ /** keyspace & ns */
private static CacheAccess<String, String> musicCache = JCS.getInstance("musicCache");
- private static CacheAccess<String, Map<String, String>> aafCache = JCS.getInstance("aafCache");
+ /** cache to hold isaaf application */
private static CacheAccess<String, String> appNameCache = JCS.getInstance("appNameCache");
+ /** hold user creds for namespace */
private static CacheAccess<String, Map<String, String>> musicValidateCache = JCS.getInstance("musicValidateCache");
- private static CacheAccess<String, List<String>> callbackNotifyList = JCS.getInstance("eternalCache");
private static Map<String, Number> userAttempts = new HashMap<>();
private static Map<String, Calendar> lastFailedTime = new HashMap<>();
private static CacheAccess<String, PreparedStatement> queryBank = JCS.getInstance("statementBank");
@@ -98,26 +99,6 @@ public class CachingUtil implements Runnable {
private static final String USERNAME="username";
private static final String PASSWORD="password";
-
- public boolean isCacheRefreshNeeded() {
- if (aafCache.get("initBlankMap") == null)
- return true;
- return false;
- }
-
- public static void updateCallbackNotifyList(List<String> notifyList) {
- logger.info("callbackNotifyList: updating cache.....");
- callbackNotifyList.put("callbackNotify", notifyList);
- }
-
- public static List<String> getCallbackNotifyList() {
- return callbackNotifyList.get("callbackNotify");
- }
-
- public void initializeMusicCache() {
- logger.info(EELFLoggerDelegate.applicationLogger,"Initializing Music Cache...");
- musicCache.put("isInitialized", "true");
- }
public void initializeAafCache() throws MusicServiceException {
logger.info(EELFLoggerDelegate.applicationLogger,"Resetting and initializing AAF Cache...");
@@ -145,7 +126,7 @@ public class CachingUtil implements Runnable {
if (responseObj) {
map = new HashMap<>();
map.put(userId, password);
- aafCache.put(nameSpace, map);
+ musicValidateCache.put(nameSpace, map);
musicCache.put(keySpace, nameSpace);
logger.debug("Cronjob: Cache Updated with AAF response for namespace "
+ nameSpace);
@@ -171,10 +152,10 @@ public class CachingUtil implements Runnable {
public static boolean authenticateAAFUser(String nameSpace, String userId, String password,
String keySpace) throws Exception {
- if (aafCache.get(nameSpace) != null && musicCache.get(keySpace)!=null) {
+ if (musicValidateCache.get(nameSpace) != null && musicCache.get(keySpace)!=null) {
if (keySpace != null && !musicCache.get(keySpace).equals(nameSpace)) {
logger.info(EELFLoggerDelegate.applicationLogger,"Create new application for the same namespace.");
- } else if (aafCache.get(nameSpace).get(userId).equals(password)) {
+ } else if (musicValidateCache.get(nameSpace).get(userId).equals(password)) {
logger.info(EELFLoggerDelegate.applicationLogger,"Authenticated with cache value..");
// reset invalid attempts to 0
userAttempts.put(nameSpace, 0);
@@ -214,7 +195,7 @@ public class CachingUtil implements Runnable {
logger.info(EELFLoggerDelegate.applicationLogger,"Valid user. Cache is updated for "+nameSpace);
Map<String, String> map = new HashMap<>();
map.put(userId, password);
- aafCache.put(nameSpace, map);
+ musicValidateCache.put(nameSpace, map);
musicCache.put(keySpace, nameSpace);
return true;
}
@@ -475,16 +456,4 @@ public class CachingUtil implements Runnable {
CachingUtil.updateMusicValidateCache(nameSpace, userId, pwd);
return resultMap;
}
-
- public static void deleteKeysFromDB(String deleteKeys) {
- PreparedQueryObject pQuery = new PreparedQueryObject();
- pQuery.appendQueryString(
- "DELETE FROM admin.locks WHERE lock_id IN ("+deleteKeys+")");
- try {
- MusicCore.nonKeyRelatedPut(pQuery, "eventual");
- } catch (Exception e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(), "Deleting keys from "
- + "DB failed.");
- }
- }
}
diff --git a/src/main/java/org/onap/music/authentication/MusicAuthentication.java b/src/main/java/org/onap/music/authentication/MusicAuthentication.java
index 10f1e30c..6c38e6df 100644
--- a/src/main/java/org/onap/music/authentication/MusicAuthentication.java
+++ b/src/main/java/org/onap/music/authentication/MusicAuthentication.java
@@ -62,8 +62,7 @@ public class MusicAuthentication implements MusicAuthenticator {
*/
@Deprecated
public static Map<String, Object> autheticateUser(String nameSpace, String userId,
- String password, String keyspace, String aid, String operation)
- throws Exception {
+ String password, String keyspace, String aid, String operation) {
logger.info(EELFLoggerDelegate.applicationLogger,"Inside User Authentication.......");
Map<String, Object> resultMap = new HashMap<>();
String uuid = null;
@@ -132,10 +131,17 @@ public class MusicAuthentication implements MusicAuthenticator {
PreparedQueryObject pQuery = new PreparedQueryObject();
pQuery.appendQueryString(
"select uuid from admin.keyspace_master where application_name=? and username=? and keyspace_name=? allow filtering");
- pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), nameSpace));
- pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), userId));
- pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(),
- MusicUtil.DEFAULTKEYSPACENAME));
+ try {
+ pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), nameSpace));
+ pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), userId));
+ pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(),
+ MusicUtil.DEFAULTKEYSPACENAME));
+ } catch (Exception e1) {
+ logger.error(EELFLoggerDelegate.errorLogger, e1, "Can not authenticate for createkeyspace", AppMessages.MISSINGINFO ,ErrorSeverity.WARN, ErrorTypes.AUTHENTICATIONERROR);
+ resultMap.put("Exception", "Cannot authenticate for createKeyspace");
+ return resultMap;
+ }
+
try {
Row rs = MusicCore.get(pQuery).one();
diff --git a/src/main/java/org/onap/music/conductor/conditionals/RestMusicConditionalAPI.java b/src/main/java/org/onap/music/conductor/conditionals/RestMusicConditionalAPI.java
index c523d5f4..6ea05c7b 100644
--- a/src/main/java/org/onap/music/conductor/conditionals/RestMusicConditionalAPI.java
+++ b/src/main/java/org/onap/music/conductor/conditionals/RestMusicConditionalAPI.java
@@ -52,7 +52,6 @@ import org.onap.music.main.ResultType;
import org.onap.music.main.ReturnType;
import org.onap.music.response.jsonobjects.JsonResponse;
import org.onap.music.rest.RestMusicAdminAPI;
-import org.onap.music.service.impl.MusicZKCore;
import org.onap.music.authentication.MusicAuthentication;
import org.onap.music.conductor.*;
diff --git a/src/main/java/org/onap/music/eelf/healthcheck/MusicHealthCheck.java b/src/main/java/org/onap/music/eelf/healthcheck/MusicHealthCheck.java
index 1f9fe5ba..079fc579 100644
--- a/src/main/java/org/onap/music/eelf/healthcheck/MusicHealthCheck.java
+++ b/src/main/java/org/onap/music/eelf/healthcheck/MusicHealthCheck.java
@@ -33,10 +33,8 @@ import org.onap.music.eelf.logging.format.ErrorSeverity;
import org.onap.music.eelf.logging.format.ErrorTypes;
import org.onap.music.exceptions.MusicLockingException;
import org.onap.music.exceptions.MusicServiceException;
-import org.onap.music.lockingservice.zookeeper.MusicLockingService;
import org.onap.music.main.MusicUtil;
import org.onap.music.main.ResultType;
-import org.onap.music.service.impl.MusicZKCore;
import org.onap.music.main.MusicCore;
import com.datastax.driver.core.ConsistencyLevel;
@@ -50,7 +48,6 @@ public class MusicHealthCheck {
private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicUtil.class);
private String cassandrHost;
- private String zookeeperHost;
public String getCassandraStatus(String consistency) {
logger.info(EELFLoggerDelegate.applicationLogger, "Getting Status for Cassandra");
@@ -67,7 +64,7 @@ public class MusicHealthCheck {
try {
result = getAdminKeySpace(consistency);
} catch (MusicServiceException e1) {
- logger.error(EELFLoggerDelegate.errorLogger, e1.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.UNKNOWN);
+ logger.error(EELFLoggerDelegate.errorLogger, e1, AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.UNKNOWN);
}
} else {
logger.error("Error", e);
@@ -98,29 +95,11 @@ public class MusicHealthCheck {
try {
rs = MusicCore.nonKeyRelatedPut(pQuery, ConsistencyLevel.ONE.toString());
} catch (MusicServiceException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.UNKNOWN);
+ logger.error(EELFLoggerDelegate.errorLogger, e, AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.UNKNOWN);
}
return rs != null && rs.getResult().toLowerCase().contains("success");
}
- public String getZookeeperStatus() {
-
- String host = MusicUtil.getMyZkHost();
- logger.info(EELFLoggerDelegate.applicationLogger, "Getting Status for Zookeeper Host: " + host);
- try {
- MusicLockingService lockingService = MusicZKCore.getLockingServiceHandle();
- // additionally need to call the ZK to create,aquire and delete lock
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(), AppMessages.LOCKINGERROR,
- ErrorTypes.CONNECTIONERROR, ErrorSeverity.CRITICAL);
- return "INACTIVE";
- }
-
- logger.info(EELFLoggerDelegate.applicationLogger, "Zookeeper is Active and Running");
- return "ACTIVE";
-
- }
-
public String getCassandrHost() {
return cassandrHost;
}
@@ -129,12 +108,4 @@ public class MusicHealthCheck {
this.cassandrHost = cassandrHost;
}
- public String getZookeeperHost() {
- return zookeeperHost;
- }
-
- public void setZookeeperHost(String zookeeperHost) {
- this.zookeeperHost = zookeeperHost;
- }
-
}
diff --git a/src/main/java/org/onap/music/lockingservice/zookeeper/LockListener.java b/src/main/java/org/onap/music/lockingservice/zookeeper/LockListener.java
deleted file mode 100644
index e8ad3a5f..00000000
--- a/src/main/java/org/onap/music/lockingservice/zookeeper/LockListener.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * 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.music.lockingservice.zookeeper;
-
-/**
- * This class has two methods which are call back methods when a lock is acquired and when the lock
- * is released.
- *
- */
-public interface LockListener {
- /**
- * call back called when the lock is acquired
- */
- public void lockAcquired();
-
- /**
- * call back called when the lock is released.
- */
- public void lockReleased();
-}
diff --git a/src/main/java/org/onap/music/lockingservice/zookeeper/MusicLockingService.java b/src/main/java/org/onap/music/lockingservice/zookeeper/MusicLockingService.java
deleted file mode 100644
index a35e236b..00000000
--- a/src/main/java/org/onap/music/lockingservice/zookeeper/MusicLockingService.java
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * 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.music.lockingservice.zookeeper;
-
-
-import java.io.IOException;
-import java.util.StringTokenizer;
-import java.util.concurrent.CountDownLatch;
-
-import org.apache.zookeeper.KeeperException;
-import org.apache.zookeeper.WatchedEvent;
-import org.apache.zookeeper.Watcher;
-import org.apache.zookeeper.Watcher.Event.KeeperState;
-import org.apache.zookeeper.ZooKeeper;
-import org.onap.music.authentication.CachingUtil;
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.AppMessages;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-import org.onap.music.exceptions.MusicLockingException;
-import org.onap.music.exceptions.MusicServiceException;
-import org.onap.music.lockingservice.cassandra.MusicLockState;
-import org.onap.music.main.MusicUtil;
-
-
-public class MusicLockingService implements Watcher {
-
-
- private static final int SESSION_TIMEOUT = 180000;
- ZkStatelessLockService zkLockHandle = null;
- private CountDownLatch connectedSignal = new CountDownLatch(1);
- private static EELFLoggerDelegate logger =
- EELFLoggerDelegate.getLogger(MusicLockingService.class);
-
- public MusicLockingService() throws MusicServiceException {
- try {
- ZooKeeper zk = new ZooKeeper(MusicUtil.getMyZkHost(), SESSION_TIMEOUT, this);
- connectedSignal.await();
- zkLockHandle = new ZkStatelessLockService(zk);
- } catch (IOException e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.IOERROR, ErrorSeverity.ERROR, ErrorTypes.CONNECTIONERROR);
- throw new MusicServiceException("IO Error has occured" + e.getMessage());
- } catch (InterruptedException e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- throw new MusicServiceException("Exception Occured " + e.getMessage());
- }
- }
-
- public MusicLockingService(String lockServer) {
- try {
- ZooKeeper zk = new ZooKeeper(lockServer, SESSION_TIMEOUT, this);
- connectedSignal.await();
- zkLockHandle = new ZkStatelessLockService(zk);
- } catch (IOException e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.IOERROR, ErrorSeverity.ERROR, ErrorTypes.CONNECTIONERROR);
- }catch( InterruptedException e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }catch(Exception e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- }
-
- public ZkStatelessLockService getzkLockHandle() {
- return zkLockHandle;
- }
-
- public void createLockaIfItDoesNotExist(String lockName) {
- if (!zkLockHandle.checkIfLockExists(lockName)) {
- String lockHolder = null;
- MusicLockState ml = new MusicLockState(MusicLockState.LockStatus.UNLOCKED, lockHolder);
- byte[] data = ml.serialize();
- zkLockHandle.createLock(lockName, data);
- }
- }
-
- public void setLockState(String lockName, MusicLockState mls) {
- byte[] data = mls.serialize();
- zkLockHandle.setNodeData(lockName, data);
- }
-
- public MusicLockState getLockState(String lockName) throws MusicLockingException {
-
- byte[] data = null;
- try{
- data = zkLockHandle.getNodeData(lockName);
- }catch (Exception ex){
- logger.error(EELFLoggerDelegate.errorLogger, ex,AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- if(data !=null)
- return MusicLockState.deSerialize(data);
- else {
- logger.error(EELFLoggerDelegate.errorLogger,"Invalid lock or acquire failed",AppMessages.INVALIDLOCK, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- throw new MusicLockingException("Invalid lock or acquire failed");
- }
- }
-
- public String createLockId(String lockName) {
- String lockIdWithSlash = zkLockHandle.createLockId(lockName);
- return lockIdWithSlash.replace('/', '$');
- }
-
- public boolean isMyTurn(String lockIdWithDollar) {
- String lockId = lockIdWithDollar.replace('$', '/');
- StringTokenizer st = new StringTokenizer(lockId);
- String lockName = "/" + st.nextToken("/");
- try {
- return zkLockHandle.lock(lockName, lockId);
- } catch (KeeperException e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.LOCKINGERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }catch( InterruptedException e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }catch(Exception e) {
- logger.error("Error", e);
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- return false;
- }
-
- public void unlockAndDeleteId(String lockIdWithDollar) throws KeeperException.NoNodeException {
- String lockId = lockIdWithDollar.replace('$', '/');
- zkLockHandle.unlock(lockId);
- CachingUtil.deleteKeysFromDB("'"+lockId+"'");
- }
-
- public void deleteLock(String lockName) throws MusicLockingException {
- if(lockIdExists(lockName))
- zkLockHandle.deleteLock(lockName);
- else{
- throw new MusicLockingException("Lock does not exist.Please check the lock: " + lockName + " and try again");
- }
- }
-
- public String whoseTurnIsIt(String lockName) {
- String lockHolder = zkLockHandle.currentLockHolder(lockName);
- return lockHolder.replace('/', '$');
-
- }
-
- public void process(WatchedEvent event) { // Watcher interface
- if (event.getState() == KeeperState.SyncConnected) {
- connectedSignal.countDown();
- }
- }
-
-
- public void close() {
- zkLockHandle.close();
- }
-
- public boolean lockIdExists(String lockIdWithDollar) {
- String lockId = lockIdWithDollar.replace('$', '/');
- return zkLockHandle.checkIfLockExists(lockId);
- }
-
-}
diff --git a/src/main/java/org/onap/music/lockingservice/zookeeper/ProtocolSupport.java b/src/main/java/org/onap/music/lockingservice/zookeeper/ProtocolSupport.java
deleted file mode 100644
index 2e88cc7a..00000000
--- a/src/main/java/org/onap/music/lockingservice/zookeeper/ProtocolSupport.java
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * Modifications Copyright (C) 2018 IBM.
- * ===================================================================
- * 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.music.lockingservice.zookeeper;
-
-import org.apache.zookeeper.CreateMode;
-import org.apache.zookeeper.KeeperException;
-import org.apache.zookeeper.ZooDefs;
-import org.apache.zookeeper.ZooKeeper;
-import org.apache.zookeeper.data.ACL;
-import org.apache.zookeeper.data.Stat;
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.AppMessages;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-import org.onap.music.lockingservice.zookeeper.ZooKeeperOperation;
-
-import java.util.List;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-/**
- * A base class for protocol implementations which provides a number of higher level helper methods
- * for working with ZooKeeper along with retrying synchronous operations if the connection to
- * ZooKeeper closes such as {@link #retryOperation(ZooKeeperOperation)}
- *
- */
-class ProtocolSupport {
- private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ProtocolSupport.class);
-
- protected ZooKeeper zookeeper;
- private AtomicBoolean closed = new AtomicBoolean(false);
- private long retryDelay = 500L;
- private int retryCount = 10;
- private List<ACL> acl = ZooDefs.Ids.OPEN_ACL_UNSAFE;
-
- /**
- * Closes this strategy and releases any ZooKeeper resources; but keeps the ZooKeeper instance
- * open
- */
- public void close() {
- if (closed.compareAndSet(false, true)) {
- doClose();
- }
- }
-
- /**
- * return zookeeper client instance
- *
- * @return zookeeper client instance
- */
- public ZooKeeper getZookeeper() {
- return zookeeper;
- }
-
- /**
- * return the acl its using
- *
- * @return the acl.
- */
- public List<ACL> getAcl() {
- return acl;
- }
-
- /**
- * set the acl
- *
- * @param acl the acl to set to
- */
- public void setAcl(List<ACL> acl) {
- this.acl = acl;
- }
-
- /**
- * get the retry delay in milliseconds
- *
- * @return the retry delay
- */
- public long getRetryDelay() {
- return retryDelay;
- }
-
- /**
- * Sets the time waited between retry delays
- *
- * @param retryDelay the retry delay
- */
- public void setRetryDelay(long retryDelay) {
- this.retryDelay = retryDelay;
- }
-
- /**
- * Allow derived classes to perform some custom closing operations to release resources
- */
- protected void doClose() {
- throw new UnsupportedOperationException();
- }
-
-
- /**
- * Perform the given operation, retrying if the connection fails
- *
- * @return object. it needs to be cast to the callee's expected return type.
- * @param operation FILL IN
- * @throws KeeperException FILL IN
- * @throws InterruptedException FILL IN
- */
- protected Object retryOperation(ZooKeeperOperation operation)
- throws KeeperException, InterruptedException {
- KeeperException exception = null;
- for (int i = 0; i < retryCount; i++) {
- try {
- return operation.execute();
- } catch (KeeperException.SessionExpiredException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e,AppMessages.SESSIONEXPIRED+" for: " + zookeeper + " so reconnecting due to: " + e, ErrorSeverity.ERROR, ErrorTypes.SESSIONEXPIRED);
- throw e;
- } catch (KeeperException.ConnectionLossException e) {
- if (exception == null) {
- exception = e;
- }
- logger.error(EELFLoggerDelegate.errorLogger, e,AppMessages.CONNCECTIVITYERROR, ErrorSeverity.ERROR, ErrorTypes.SESSIONEXPIRED);
- logger.error(EELFLoggerDelegate.errorLogger, e,"Attempt " + i + " failed with connection loss so attempting to reconnect: " + e);
-
- retryDelay(i);
- }
- }
- if(exception == null)
- {
- throw new NullPointerException();
- }
- else{
- throw exception;
- }
- }
-
- /**
- * Ensures that the given path exists with no data, the current ACL and no flags
- *
- * @param path the lock path
- */
- protected void ensurePathExists(String path) {
- ensureExists(path, null, acl, CreateMode.PERSISTENT);
- }
-
- /**
- * Ensures that the given path exists with the given data, ACL and flags
- *
- * @param path the lock path
- * @param data the data
- * @param acl list of ACLs applying to the path
- * @param flags create mode flags
- */
- protected void ensureExists(final String path, final byte[] data, final List<ACL> acl,
- final CreateMode flags) {
- try {
- retryOperation(new ZooKeeperOperation() {
- public boolean execute() throws KeeperException, InterruptedException {
- Stat stat = zookeeper.exists(path, false);
- if (stat != null) {
- return true;
- }
- zookeeper.create(path, data, acl, flags);
- return true;
- }
- });
- } catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- } catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- }
-
- /**
- * Returns true if this protocol has been closed
- *
- * @return true if this protocol is closed
- */
- protected boolean isClosed() {
- return closed.get();
- }
-
- /**
- * Performs a retry delay if this is not the first attempt
- *
- * @param attemptCount the number of the attempts performed so far
- */
- protected void retryDelay(int attemptCount) {
- if (attemptCount > 0) {
- try {
- Thread.sleep(attemptCount * retryDelay);
- } catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e,AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.GENERALSERVICEERROR);
- logger.error(EELFLoggerDelegate.errorLogger, e,"Thread failed to sleep: " + e);
- Thread.currentThread().interrupt();
- }
- }
- }
-}
diff --git a/src/main/java/org/onap/music/lockingservice/zookeeper/ZNodeName.java b/src/main/java/org/onap/music/lockingservice/zookeeper/ZNodeName.java
deleted file mode 100644
index 5bdc5457..00000000
--- a/src/main/java/org/onap/music/lockingservice/zookeeper/ZNodeName.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * Modifications Copyright (c) 2018 IBM
- * ===================================================================
- * 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.music.lockingservice.zookeeper;
-
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-
-/**
- * Represents an ephemeral znode name which has an ordered sequence number and can be sorted in
- * order
- *
- */
-class ZNodeName implements Comparable<ZNodeName> {
- private final String name;
- private String prefix;
- private int sequence = -1;
- private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ZNodeName.class);
-
- public ZNodeName(String name) {
- if (name == null) {
- throw new NullPointerException("id cannot be null");
- }
- this.name = name;
- this.prefix = name;
- int idx = name.lastIndexOf('-');
- if (idx >= 0) {
- this.prefix = name.substring(0, idx);
- try {
- this.sequence = Integer.parseInt(name.substring(idx + 1));
- // If an exception occurred we misdetected a sequence suffix,
- // so return -1.
- } catch (NumberFormatException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),"Number format exception "+idx, ErrorSeverity.ERROR, ErrorTypes.GENERALSERVICEERROR);
- } catch (ArrayIndexOutOfBoundsException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),"Array out of bounds for "+idx, ErrorSeverity.ERROR, ErrorTypes.GENERALSERVICEERROR);
- }
- }
- }
-
- @Override
- public String toString() {
- return name;
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o)
- return true;
- if (o == null || getClass() != o.getClass())
- return false;
-
- ZNodeName sequence = (ZNodeName) o;
-
- if (!name.equals(sequence.name))
- return false;
-
- return true;
- }
-
- @Override
- public int hashCode() {
- return name.hashCode() + 37;
- }
-
- public int compareTo(ZNodeName that) {
- int answer = this.prefix.compareTo(that.prefix);
- if (answer == 0) {
- int s1 = this.sequence;
- int s2 = that.sequence;
- if (s1 == -1 && s2 == -1) {
- return this.name.compareTo(that.name);
- }
- answer = s1 == -1 ? 1 : s2 == -1 ? -1 : s1 - s2;
- }
- return answer;
- }
-
- /**
- * Returns the name of the znode
- */
- public String getName() {
- return name;
- }
-
- /**
- * Returns the sequence number
- */
- public int getZNodeName() {
- return sequence;
- }
-
- /**
- * Returns the text prefix before the sequence number
- */
- public String getPrefix() {
- return prefix;
- }
-}
diff --git a/src/main/java/org/onap/music/lockingservice/zookeeper/ZkStatelessLockService.java b/src/main/java/org/onap/music/lockingservice/zookeeper/ZkStatelessLockService.java
deleted file mode 100644
index e8ed257a..00000000
--- a/src/main/java/org/onap/music/lockingservice/zookeeper/ZkStatelessLockService.java
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * ============LICENSE_START========================================== org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * Modifications Copyright (c) 2018 IBM.
- * Modifications Copyright (c) 2019 Samsung.
- * ===================================================================
- * 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.music.lockingservice.zookeeper;
-
-
-import java.util.List;
-import java.util.SortedSet;
-import java.util.TreeSet;
-import org.apache.zookeeper.CreateMode;
-import org.apache.zookeeper.KeeperException;
-import org.apache.zookeeper.KeeperException.NoNodeException;
-import org.apache.zookeeper.ZooDefs;
-import org.apache.zookeeper.ZooKeeper;
-import org.apache.zookeeper.data.ACL;
-import org.apache.zookeeper.data.Stat;
-import org.onap.music.datastore.PreparedQueryObject;
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.AppMessages;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-import org.onap.music.main.MusicCore;
-import org.onap.music.main.MusicUtil;
-
-import com.datastax.driver.core.DataType;
-
-/**
- * A <a href="package.html">protocol to implement an exclusive write lock or to elect a leader</a>.
- * <p/>
- * You invoke {@link #lock()} to start the process of grabbing the lock; you may get the lock then
- * or it may be some time later.
- * <p/>
- * You can register a listener so that you are invoked when you get the lock; otherwise you can ask
- * if you have the lock by calling {@link #isOwner()}
- *
- */
-public class ZkStatelessLockService extends ProtocolSupport {
- public ZkStatelessLockService(ZooKeeper zk) {
- zookeeper = zk;
- }
-
- private static EELFLoggerDelegate logger =
- EELFLoggerDelegate.getLogger(ZkStatelessLockService.class);
-
- protected void createLock(final String path, final byte[] data) {
- final List<ACL> acl = ZooDefs.Ids.OPEN_ACL_UNSAFE;
- try {
- retryOperation(new ZooKeeperOperation() {
- public boolean execute() throws KeeperException, InterruptedException {
- zookeeper.create(path, data, acl, CreateMode.PERSISTENT);
- return true;
- }
- });
- }catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- }
-
- @Override
- public void close() {
- try {
- zookeeper.close();
- }catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- }
-
- public void setNodeData(final String lockName, final byte[] data) {
- try {
- retryOperation(new ZooKeeperOperation() {
- public boolean execute() throws KeeperException, InterruptedException {
- zookeeper.getSessionId();
- zookeeper.setData("/" + lockName, data, -1);
- return true;
- }
- });
- }catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
-
- }
-
- public byte[] getNodeData(final String lockName) {
- try {
- if (zookeeper.exists("/" + lockName, null) != null)
- return zookeeper.getData("/" + lockName, false, null);
- else
- return null;
-
- }catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- return null;
- }
-
- public boolean checkIfLockExists(String lockName) {
- boolean result = false;
- try {
- Stat stat = zookeeper.exists(lockName, false);
- if (stat != null) {
- result = true;
- }
- }catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- Thread.currentThread().interrupt();
- }catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- return result;
- }
-
- public void createNode(String nodeName) {
- ensurePathExists(nodeName);
- }
-
- public String createLockId(String dir) {
- ensurePathExists(dir);
- LockZooKeeperOperation zop = new LockZooKeeperOperation(dir);
- try {
- retryOperation(zop);
- }catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- Thread.currentThread().interrupt();
- }catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
- return zop.getId();
- }
-
- /**
- * Attempts to acquire the exclusive write lock returning whether or not it was acquired. Note
- * that the exclusive lock may be acquired some time later after this method has been invoked
- * due to the current lock owner going away.
- */
- public synchronized boolean lock(String dir, String lockId)
- throws KeeperException, InterruptedException {
- if (isClosed()) {
- return false;
- }
- LockZooKeeperOperation zop = new LockZooKeeperOperation(dir, lockId);
- return (Boolean) retryOperation(zop);
- }
-
- /**
- * Removes the lock or associated znode if you no longer require the lock. this also removes
- * your request in the queue for locking in case you do not already hold the lock.
- *
- * @throws RuntimeException throws a runtime exception if it cannot connect to zookeeper.
- * @throws NoNodeException
- */
- public synchronized void unlock(String lockId) throws RuntimeException, KeeperException.NoNodeException {
- final String id = lockId;
- if (!isClosed() && id != null) {
- try {
- ZooKeeperOperation zopdel = new ZooKeeperOperation() {
- public boolean execute() throws KeeperException, InterruptedException {
- zookeeper.delete(id, -1);
- return Boolean.TRUE;
- }
- };
- zopdel.execute();
- } catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- // set that we have been interrupted.
- Thread.currentThread().interrupt();
- } catch (KeeperException.NoNodeException e) {
- // do nothing
- throw new KeeperException.NoNodeException("Lock doesn't exists. Release lock operation failed.");
- } catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- throw (RuntimeException) new RuntimeException(e.getMessage()).initCause(e);
- }
- }
- }
-
- public synchronized String currentLockHolder(String mainLock) {
- final String id = mainLock;
- if (!isClosed() && id != null) {
- List<String> names;
- try {
- names = zookeeper.getChildren(id, false);
- if (names.isEmpty())
- return "";
- SortedSet<ZNodeName> sortedNames = new TreeSet<>();
- for (String name : names) {
- sortedNames.add(new ZNodeName(id + "/" + name));
- }
- return sortedNames.first().getName();
- } catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- // set that we have been interrupted.
- Thread.currentThread().interrupt();
- } catch (KeeperException.NoNodeException e) {
- // do nothing
- } catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- throw (RuntimeException) new RuntimeException(e.getMessage()).initCause(e);
- }
- }
- return "No lock holder!";
- }
-
- public synchronized void deleteLock(String mainLock) {
- final String id = mainLock;
- if (!isClosed() && id != null) {
- try {
- ZooKeeperOperation zopdel = new ZooKeeperOperation() {
- public boolean execute() throws KeeperException, InterruptedException {
- List<String> names = zookeeper.getChildren(id, false);
- for (String name : names) {
- zookeeper.delete(id + "/" + name, -1);
- }
- zookeeper.delete(id, -1);
- return Boolean.TRUE;
- }
- };
- zopdel.execute();
- } catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- // set that we have been interrupted.
- Thread.currentThread().interrupt();
- } catch (KeeperException.NoNodeException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- // do nothing
- } catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- throw (RuntimeException) new RuntimeException(e.getMessage()).initCause(e);
- }
- }
-
- }
-
- /**
- * a zoookeeper operation that is mainly responsible for all the magic required for locking.
- */
- private class LockZooKeeperOperation implements ZooKeeperOperation {
-
- /**
- * find if we have been created earlier if not create our node
- *
- * @param prefix the prefix node
- * @param zookeeper the zookeeper client
- * @param dir the dir parent
- * @throws KeeperException
- * @throws InterruptedException
- */
- private String dir;
- private String id = null;
-
- public String getId() {
- return id;
- }
-
- public LockZooKeeperOperation(String dir) {
- this.dir = dir;
- }
-
- public LockZooKeeperOperation(String dir, String id) {
- this.dir = dir;
- this.id = id;
- }
-
- /**
- * the command that is run and retried for actually obtaining the lock
- *
- * @return if the command was successful or not
- */
- public boolean execute() throws KeeperException, InterruptedException {
- do {
- if (id == null) {
- String prefix = "x-";
- byte[] data = {0x12, 0x34};
- id = zookeeper.create(dir + "/" + prefix, data, getAcl(),
- CreateMode.PERSISTENT_SEQUENTIAL);
-
- if (logger.isDebugEnabled()) {
- logger.debug(EELFLoggerDelegate.debugLogger, "Created id: " + id);
- }
- if (id != null) {
- Stat stat = null;
- try {
- stat = zookeeper.exists(id, false);
- } catch (InterruptedException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.EXECUTIONINTERRUPTED, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- Thread.currentThread().interrupt();
- } catch (KeeperException e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.KEEPERERROR, ErrorSeverity.ERROR, ErrorTypes.LOCKINGERROR);
- }
-
- if (stat != null){
- Long ctime = stat.getCtime();
- MusicUtil.zkNodeMap.put(id, ctime);
- PreparedQueryObject pQuery = new PreparedQueryObject();
- pQuery.appendQueryString(
- "INSERT INTO admin.locks(lock_id, ctime) VALUES (?,?)");
- try {
- pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), id));
- pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), ctime));
- MusicCore.eventualPut(pQuery);
- } catch (Exception e) {
- logger.error(EELFLoggerDelegate.errorLogger, e.getMessage(),AppMessages.UNKNOWNERROR, ErrorSeverity.ERROR, ErrorTypes.UNKNOWN);
- }
- }
- break;
- }
- }
- if (id != null) {
- List<String> names = zookeeper.getChildren(dir, false);
- if (names.isEmpty()) {
- logger.info(EELFLoggerDelegate.applicationLogger, "No children in: " + dir
- + " when we've just " + "created one! Lets recreate it...");
- // lets force the recreation of the id
- id = null;
- return Boolean.FALSE;
-
- } else {
- // lets sort them explicitly (though they do seem to come back in order
- // ususally :)
- ZNodeName idName = new ZNodeName(id);
- SortedSet<ZNodeName> sortedNames = new TreeSet<>();
- for (String name : names) {
- sortedNames.add(new ZNodeName(dir + "/" + name));
- }
- if (!sortedNames.contains(idName))
- return Boolean.FALSE;
-
- SortedSet<ZNodeName> lessThanMe = sortedNames.headSet(idName);
- if (!lessThanMe.isEmpty()) {
- ZNodeName lastChildName = lessThanMe.last();
- String lastChildId = lastChildName.getName();
- if (logger.isDebugEnabled()) {
- logger.debug(EELFLoggerDelegate.debugLogger, "watching less than me node: " + lastChildId);
- }
- Stat stat = zookeeper.exists(lastChildId, false);
- if (stat != null) {
- return Boolean.FALSE;
- } else {
- logger.info(EELFLoggerDelegate.applicationLogger,
- "Could not find the" + " stats for less than me: "
- + lastChildName.getName());
- }
- } else
- return Boolean.TRUE;
- }
- }
- } while (id == null);
- return Boolean.FALSE;
- }
- }
-
-}
-
diff --git a/src/main/java/org/onap/music/lockingservice/zookeeper/ZooKeeperOperation.java b/src/main/java/org/onap/music/lockingservice/zookeeper/ZooKeeperOperation.java
deleted file mode 100644
index 34efebf2..00000000
--- a/src/main/java/org/onap/music/lockingservice/zookeeper/ZooKeeperOperation.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * 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.music.lockingservice.zookeeper;
-
-import org.apache.zookeeper.KeeperException;
-
-/**
- * A callback object which can be used for implementing retry-able operations in the
- * {@link org.onap.music.lockingservice.zookeeper.ProtocolSupport} class
- *
- */
-public interface ZooKeeperOperation {
-
- /**
- * Performs the operation - which may be involved multiple times if the connection
- * to ZooKeeper closes during this operation
- *
- * @return the result of the operation or null
- * @throws KeeperException FILL IN
- * @throws InterruptedException FILL IN
- */
- public boolean execute() throws KeeperException, InterruptedException;
-}
diff --git a/src/main/java/org/onap/music/main/CronJobManager.java b/src/main/java/org/onap/music/main/CronJobManager.java
deleted file mode 100644
index 0d7d9239..00000000
--- a/src/main/java/org/onap/music/main/CronJobManager.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * Modifications Copyright (c) 2019 Samsung
- * ===================================================================
- * 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.music.main;
-
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
-import java.util.Iterator;
-import org.onap.music.authentication.CachingUtil;
-import org.onap.music.datastore.PreparedQueryObject;
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.AppMessages;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-import org.onap.music.exceptions.MusicLockingException;
-import org.onap.music.exceptions.MusicServiceException;
-import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.stereotype.Component;
-
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-
-@Component
-public class CronJobManager {
-
- private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(CronJobManager.class);
-
- private static final DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("HH:mm:ss");
-
-
- @Scheduled(cron = "0 0 0 * * ?")
- public void scheduleTaskWithFixedRate() {
- logger.info("Executing cronjob to cleanup locks..", dateTimeFormatter.format(LocalDateTime.now()) );
- deleteLocksFromDB();
- }
-
- public void deleteLocksFromDB() {
- PreparedQueryObject pQuery = new PreparedQueryObject();
- String consistency = MusicUtil.EVENTUAL;
- pQuery.appendQueryString("CREATE TABLE IF NOT EXISTS admin.locks ( lock_id text PRIMARY KEY, ctime text)");
- try {
- ResultType result = MusicCore.nonKeyRelatedPut(pQuery, consistency);
- if ( result.equals(ResultType.FAILURE)) {
- logger.error(EELFLoggerDelegate.errorLogger,"Error creating Admin.locks table.",AppMessages.QUERYERROR,ErrorSeverity.CRITICAL, ErrorTypes.QUERYERROR);
- }
- } catch (MusicServiceException e1) {
- logger.error(EELFLoggerDelegate.errorLogger,e1,AppMessages.QUERYERROR,ErrorSeverity.CRITICAL, ErrorTypes.QUERYERROR);
- }
-
- pQuery = new PreparedQueryObject();
- pQuery.appendQueryString(
- "select * from admin.locks");
- try {
- ResultSet rs = MusicCore.get(pQuery);
- Iterator<Row> it = rs.iterator();
- StringBuilder deleteKeys = new StringBuilder();
- Boolean expiredKeys = false;
- while (it.hasNext()) {
- Row row = it.next();
- String id = row.getString("lock_id");
- long ctime = Long.parseLong(row.getString("ctime"));
- if(System.currentTimeMillis() >= ctime + 24 * 60 * 60 * 1000) {
- expiredKeys = true;
- String new_id = id.substring(1);
- try {
- MusicCore.deleteLock(new_id);
- } catch (MusicLockingException e) {
- logger.info(EELFLoggerDelegate.applicationLogger,
- e.getMessage());
- }
- deleteKeys.append("'").append(id).append("'").append(",");
- }
- }
- if(expiredKeys) {
- deleteKeys.deleteCharAt(deleteKeys.length()-1);
- CachingUtil.deleteKeysFromDB(deleteKeys.toString());
- }
- } catch (MusicServiceException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e,AppMessages.CACHEERROR,ErrorSeverity.CRITICAL, ErrorTypes.DATAERROR);
- }
- }
-}
diff --git a/src/main/java/org/onap/music/main/MusicUtil.java b/src/main/java/org/onap/music/main/MusicUtil.java
index 06eeb805..aa82ea97 100755
--- a/src/main/java/org/onap/music/main/MusicUtil.java
+++ b/src/main/java/org/onap/music/main/MusicUtil.java
@@ -58,7 +58,6 @@ import org.onap.music.exceptions.MusicQueryException;
import org.onap.music.exceptions.MusicServiceException;
import org.onap.music.service.MusicCoreService;
import org.onap.music.service.impl.MusicCassaCore;
-import org.onap.music.service.impl.MusicZKCore;
import com.datastax.driver.core.ConsistencyLevel;
import com.datastax.driver.core.DataType;
@@ -94,7 +93,6 @@ public class MusicUtil {
public static final String USERID = "userId";
public static final String PASSWORD = "password";
public static final String CASSANDRA = "cassandra";
- public static final String ZOOKEEPER = "zookeeper";
public static final String AUTHORIZATION = "Authorization";
@@ -788,8 +786,6 @@ public class MusicUtil {
public static MusicCoreService getMusicCoreService() {
if(getLockUsing().equals(MusicUtil.CASSANDRA))
return MusicCassaCore.getInstance();
- else if (getLockUsing().equals(MusicUtil.ZOOKEEPER))
- return MusicZKCore.getInstance();
else
return MusicCassaCore.getInstance();
}
diff --git a/src/main/java/org/onap/music/rest/RestMusicDataAPI.java b/src/main/java/org/onap/music/rest/RestMusicDataAPI.java
index f72a1ac9..a7522b90 100755
--- a/src/main/java/org/onap/music/rest/RestMusicDataAPI.java
+++ b/src/main/java/org/onap/music/rest/RestMusicDataAPI.java
@@ -862,10 +862,6 @@ public class RestMusicDataAPI {
result = MusicCore.atomicPut(keyspace, tablename, primaryKey, queryObject, null);
}
- else if (consistency.equalsIgnoreCase(MusicUtil.ATOMICDELETELOCK)) {
- result = MusicCore.atomicPutWithDeleteLock(keyspace, tablename, primaryKey, queryObject, null);
-
- }
} catch (Exception ex) {
logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage(), AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN, ErrorTypes.MUSICSERVICEERROR);
return response.status(Status.BAD_REQUEST).entity(new JsonResponse(ResultType.FAILURE).setError(ex.getMessage()).toMap()).build();
@@ -1238,11 +1234,7 @@ public class RestMusicDataAPI {
} else if (consistency.equalsIgnoreCase(MusicUtil.ATOMIC)) {
operationResult = MusicCore.atomicPut(keyspace, tablename, rowId.primarKeyValue,
queryObject, conditionInfo);
- }
- else if (consistency.equalsIgnoreCase(MusicUtil.ATOMICDELETELOCK)) {
- operationResult = MusicCore.atomicPutWithDeleteLock(keyspace, tablename, rowId.primarKeyValue,
- queryObject, conditionInfo);
- }else if(consistency.equalsIgnoreCase(MusicUtil.EVENTUAL_NB)) {
+ } else if(consistency.equalsIgnoreCase(MusicUtil.EVENTUAL_NB)) {
operationResult = MusicCore.eventualPut_nb(queryObject, keyspace, tablename, rowId.primarKeyValue);
}
@@ -1397,10 +1389,6 @@ public class RestMusicDataAPI {
} else if (consistency.equalsIgnoreCase(MusicUtil.ATOMIC)) {
results = MusicCore.atomicGet(keyspace, tablename, rowId.primarKeyValue, queryObject);
}
-
- else if (consistency.equalsIgnoreCase(MusicUtil.ATOMICDELETELOCK)) {
- results = MusicCore.atomicGetWithDeleteLock(keyspace, tablename, rowId.primarKeyValue, queryObject);
- }
if(results!=null && results.getAvailableWithoutFetching() >0) {
return response.status(Status.OK).entity(new JsonResponse(ResultType.SUCCESS).setDataResult(MusicDataStoreHandle.marshallResults(results)).toMap()).build();
}
diff --git a/src/main/java/org/onap/music/rest/RestMusicHealthCheckAPI.java b/src/main/java/org/onap/music/rest/RestMusicHealthCheckAPI.java
index a9b4c7af..cb8965ee 100644
--- a/src/main/java/org/onap/music/rest/RestMusicHealthCheckAPI.java
+++ b/src/main/java/org/onap/music/rest/RestMusicHealthCheckAPI.java
@@ -91,24 +91,6 @@ public class RestMusicHealthCheckAPI {
}
@GET
- @Path("/pingZookeeper")
- @ApiOperation(value = "Get Health Status", response = Map.class)
- @Produces(MediaType.APPLICATION_JSON)
- public Response ZKStatus(@Context HttpServletResponse response) {
- logger.info(EELFLoggerDelegate.applicationLogger,"Replying to request for MUSIC Health Check status for Zookeeper");
- Map<String, Object> resultMap = new HashMap<>();
- MusicHealthCheck ZKHealthCheck = new MusicHealthCheck();
- String status = ZKHealthCheck.getZookeeperStatus();
- if(status.equals(ACTIVE_STATUS)) {
- resultMap.put(ACTIVE_STATUS, "Zookeeper is Active and Running");
- return Response.status(Status.OK).entity(resultMap).build();
- }else {
- resultMap.put("INACTIVE", "Zookeeper is not responding");
- return Response.status(Status.BAD_REQUEST).entity(resultMap).build();
- }
- }
-
- @GET
@Path("/musicHealthCheck")
@ApiOperation(value = "Get Health Status", response = Map.class)
@Produces(MediaType.APPLICATION_JSON)
@@ -116,13 +98,8 @@ public class RestMusicHealthCheckAPI {
logger.info(EELFLoggerDelegate.applicationLogger,"Replying to request for Health Check status for MUSIC");
Map<String, Object> resultMap = new HashMap<>();
MusicHealthCheck healthCheck = new MusicHealthCheck();
- String status = healthCheck.getZookeeperStatus();
- if(status.equals(ACTIVE_STATUS)) {
- resultMap.put("ZooKeeper", "Active");
- }else {
- resultMap.put("ZooKeeper", "Inactive");
- }
- status = healthCheck.getCassandraStatus(ConsistencyLevel.ANY.toString());
+
+ String status = healthCheck.getCassandraStatus(ConsistencyLevel.ANY.toString());
if(status.equals(ACTIVE_STATUS)) {
resultMap.put("Cassandra", "Active");
} else {
diff --git a/src/main/java/org/onap/music/rest/RestMusicQAPI.java b/src/main/java/org/onap/music/rest/RestMusicQAPI.java
index 800dad71..0865eafe 100755
--- a/src/main/java/org/onap/music/rest/RestMusicQAPI.java
+++ b/src/main/java/org/onap/music/rest/RestMusicQAPI.java
@@ -57,7 +57,6 @@ import org.onap.music.main.MusicCore;
import org.onap.music.main.MusicUtil;
import org.onap.music.main.ResultType;
import org.onap.music.response.jsonobjects.JsonResponse;
-import org.onap.music.service.impl.MusicZKCore;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
diff --git a/src/main/java/org/onap/music/service/impl/MusicZKCore.java b/src/main/java/org/onap/music/service/impl/MusicZKCore.java
deleted file mode 100644
index 93c5abc8..00000000
--- a/src/main/java/org/onap/music/service/impl/MusicZKCore.java
+++ /dev/null
@@ -1,888 +0,0 @@
-/*
- * ============LICENSE_START==========================================
- * org.onap.music
- * ===================================================================
- * Copyright (c) 2017 AT&T Intellectual Property
- * ===================================================================
- * Modifications Copyright (c) 2019 Samsung
- * ===================================================================
- * 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.music.service.impl;
-
-
-import java.io.StringWriter;
-import java.util.List;
-import java.util.Map;
-import java.util.StringTokenizer;
-
-import org.apache.zookeeper.KeeperException;
-import org.apache.zookeeper.KeeperException.NoNodeException;
-import org.onap.music.datastore.PreparedQueryObject;
-import org.onap.music.datastore.jsonobjects.JsonKeySpace;
-import org.onap.music.eelf.logging.EELFLoggerDelegate;
-import org.onap.music.eelf.logging.format.AppMessages;
-import org.onap.music.eelf.logging.format.ErrorSeverity;
-import org.onap.music.eelf.logging.format.ErrorTypes;
-import org.onap.music.exceptions.MusicLockingException;
-import org.onap.music.exceptions.MusicQueryException;
-import org.onap.music.exceptions.MusicServiceException;
-import org.onap.music.lockingservice.cassandra.MusicLockState;
-import org.onap.music.lockingservice.cassandra.MusicLockState.LockStatus;
-import org.onap.music.lockingservice.zookeeper.MusicLockingService;
-import org.onap.music.main.MusicUtil;
-import org.onap.music.main.ResultType;
-import org.onap.music.main.ReturnType;
-import org.onap.music.service.MusicCoreService;
-import org.onap.music.datastore.*;
-
-import com.datastax.driver.core.DataType;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.Row;
-import com.datastax.driver.core.TableMetadata;
-
-/**
- * This class .....
- *
- *
- */
-public class MusicZKCore implements MusicCoreService {
-
- public static MusicLockingService mLockHandle = null;
- private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicZKCore.class);
- private static MusicZKCore musicZKCoreInstance = null;
-
- private MusicZKCore() {
-
- }
- public static MusicZKCore getInstance() {
-
- if(musicZKCoreInstance == null) {
- musicZKCoreInstance = new MusicZKCore();
- }
- return musicZKCoreInstance;
- }
-
-
-
-
-
- public static MusicLockingService getLockingServiceHandle() throws MusicLockingException {
- logger.info(EELFLoggerDelegate.applicationLogger,"Acquiring lock store handle");
- long start = System.currentTimeMillis();
-
- if (mLockHandle == null) {
- try {
- mLockHandle = new MusicLockingService();
- } catch (Exception e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.LOCKHANDLE,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- throw new MusicLockingException("Failed to aquire Locl store handle " + e);
- }
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to acquire lock store handle:" + (end - start) + " ms");
- return mLockHandle;
- }
-
-
-
- public String createLockReference(String lockName) {
- logger.info(EELFLoggerDelegate.applicationLogger,"Creating lock reference for lock name:" + lockName);
- long start = System.currentTimeMillis();
- String lockId = null;
- try {
- lockId = getLockingServiceHandle().createLockId("/" + lockName);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.CREATELOCK+lockName,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
-
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to create lock reference:" + (end - start) + " ms");
- return lockId;
- }
-
- /**
- *
- * @param key
- * @return
- */
- public static boolean isTableOrKeySpaceLock(String key) {
- String[] splitString = key.split("\\.");
- if (splitString.length > 2)
- return false;
- else
- return true;
- }
-
- /**
- *
- * @param key
- * @return
- */
- public static MusicLockState getMusicLockState(String key) {
- long start = System.currentTimeMillis();
- try {
- String[] splitString = key.split("\\.");
- String keyspaceName = splitString[0];
- String tableName = splitString[1];
- String primaryKey = splitString[2];
- MusicLockState mls;
- String lockName = keyspaceName + "." + tableName + "." + primaryKey;
- mls = getLockingServiceHandle().getLockState(lockName);
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to get lock state:" + (end - start) + " ms");
- return mls;
- } catch (NullPointerException | MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.INVALIDLOCK,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- return null;
- }
-
- public ReturnType acquireLockWithLease(String key, String lockId, long leasePeriod) {
- try {
- long start = System.currentTimeMillis();
- /* check if the current lock has exceeded its lease and if yes, release that lock */
- MusicLockState mls = getMusicLockState(key);
- if (mls != null) {
- if (mls.getLockStatus().equals(LockStatus.LOCKED)) {
- logger.info(EELFLoggerDelegate.applicationLogger,"The current lock holder for " + key + " is " + mls.getLockHolder()
- + ". Checking if it has exceeded lease");
- long currentLockPeriod = System.currentTimeMillis() - mls.getLeaseStartTime();
- long currentLeasePeriod = mls.getLeasePeriod();
- if (currentLockPeriod > currentLeasePeriod) {
- logger.info(EELFLoggerDelegate.applicationLogger,"Lock period " + currentLockPeriod
- + " has exceeded lease period " + currentLeasePeriod);
- boolean voluntaryRelease = false;
- String currentLockHolder = mls.getLockHolder();
- mls = releaseLock(currentLockHolder, voluntaryRelease);
- }
- }
- } else
- logger.error(EELFLoggerDelegate.errorLogger,key, AppMessages.INVALIDLOCK,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
-
- /*
- * call the traditional acquire lock now and if the result returned is true, set the
- * begin time-stamp and lease period
- */
- if (acquireLock(key, lockId).getResult() == ResultType.SUCCESS) {
- mls = getMusicLockState(key);// get latest state
- if ( mls == null ) {
- logger.info(EELFLoggerDelegate.applicationLogger,"Music Lock State is null");
- return new ReturnType(ResultType.FAILURE, "Could not acquire lock, Lock State is null");
- }
- if (mls.getLeaseStartTime() == -1) {// set it again only if it is not set already
- mls.setLeaseStartTime(System.currentTimeMillis());
- mls.setLeasePeriod(leasePeriod);
- getLockingServiceHandle().setLockState(key, mls);
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to acquire leased lock:" + (end - start) + " ms");
- return new ReturnType(ResultType.SUCCESS, "Accquired lock");
- } else {
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to fail to acquire leased lock:" + (end - start) + " ms");
- return new ReturnType(ResultType.FAILURE, "Could not acquire lock");
- }
- } catch (Exception e) {
- StringWriter sw = new StringWriter();
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), "[ERR506E] Failed to aquire lock ",ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
-
- String exceptionAsString = sw.toString();
- return new ReturnType(ResultType.FAILURE,
- "Exception thrown in acquireLockWithLease:\n" + exceptionAsString);
- }
- }
-
- public ReturnType acquireLock(String key, String lockId) throws MusicLockingException {
- /*
- * first check if I am on top. Since ids are not reusable there is no need to check
- * lockStatus If the status is unlocked, then the above call will automatically return
- * false.
- */
- Boolean result = false;
- try {
- result = getLockingServiceHandle().isMyTurn(lockId);
- } catch (MusicLockingException e2) {
- logger.error(EELFLoggerDelegate.errorLogger,AppMessages.INVALIDLOCK + lockId + " " + e2);
- throw new MusicLockingException();
- }
- if (!result) {
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: Not your turn, someone else has the lock");
- try {
- if (!getLockingServiceHandle().lockIdExists(lockId)) {
- logger.info(EELFLoggerDelegate.applicationLogger, "In acquire lock: this lockId doesn't exist");
- return new ReturnType(ResultType.FAILURE, "Lockid doesn't exist");
- }
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.INVALIDLOCK+lockId,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- throw new MusicLockingException();
- }
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: returning failure");
- return new ReturnType(ResultType.FAILURE, "Not your turn, someone else has the lock");
- }
-
-
- // this is for backward compatibility where locks could also be acquired on just
- // keyspaces or tables.
- if (isTableOrKeySpaceLock(key)) {
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: A table or keyspace lock so no need to perform sync...so returning true");
- return new ReturnType(ResultType.SUCCESS, "A table or keyspace lock so no need to perform sync...so returning true");
- }
-
- // read the lock name corresponding to the key and if the status is locked or being locked,
- // then return false
- MusicLockState currentMls = null;
- MusicLockState newMls = null;
- try {
- currentMls = getMusicLockState(key);
- String currentLockHolder = null;
- if(currentMls != null) { currentLockHolder = currentMls.getLockHolder(); };
- if (lockId.equals(currentLockHolder)) {
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: You already have the lock!");
- return new ReturnType(ResultType.SUCCESS, "You already have the lock!");
- }
- } catch (NullPointerException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.INVALIDLOCK+lockId,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
-
- // change status to "being locked". This state transition is necessary to ensure syncing
- // before granting the lock
- String lockHolder = null;
- boolean needToSyncQuorum = false;
- if (currentMls != null)
- needToSyncQuorum = currentMls.isNeedToSyncQuorum();
-
-
- newMls = new MusicLockState(MusicLockState.LockStatus.BEING_LOCKED, lockHolder,
- needToSyncQuorum);
- try {
- getLockingServiceHandle().setLockState(key, newMls);
- } catch (MusicLockingException e1) {
- logger.error(EELFLoggerDelegate.errorLogger,e1.getMessage(), AppMessages.LOCKSTATE+key,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: Set lock state to being_locked");
-
- // do syncing if this was a forced lock release
- if (needToSyncQuorum) {
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: Since there was a forcible release, need to sync quorum!");
- try {
- syncQuorum(key);
- } catch (Exception e) {
- logger.error(EELFLoggerDelegate.errorLogger,"Failed to set Lock state " + e);
- }
- }
-
- // change status to locked
- lockHolder = lockId;
- needToSyncQuorum = false;
- newMls = new MusicLockState(MusicLockState.LockStatus.LOCKED, lockHolder, needToSyncQuorum);
- try {
- getLockingServiceHandle().setLockState(key, newMls);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.LOCKSTATE+key,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- logger.info(EELFLoggerDelegate.applicationLogger,"In acquire lock: Set lock state to locked and assigned current lock ref "
- + lockId + " as holder");
-
- return new ReturnType(result?ResultType.SUCCESS:ResultType.FAILURE, "Set lock state to locked and assigned a lock holder");
- }
-
-
-
- /**
- *
- * @param keyspaceName
- * @param kspObject
- * @return
- * @throws Exception
- */
- public boolean createKeyspace(String keyspaceName, JsonKeySpace kspObject) throws Exception {
- return true;
- }
-
-
- private static void syncQuorum(String key) throws Exception {
- logger.info(EELFLoggerDelegate.applicationLogger,"Performing sync operation---");
- String[] splitString = key.split("\\.");
- String keyspaceName = splitString[0];
- String tableName = splitString[1];
- String primaryKeyValue = splitString[2];
- PreparedQueryObject selectQuery = new PreparedQueryObject();
- PreparedQueryObject updateQuery = new PreparedQueryObject();
-
- // get the primary key d
- TableMetadata tableInfo = MusicDataStoreHandle.returnColumnMetadata(keyspaceName, tableName);
- String primaryKeyName = tableInfo.getPrimaryKey().get(0).getName();// we only support single
- // primary key
- DataType primaryKeyType = tableInfo.getPrimaryKey().get(0).getType();
- Object cqlFormattedPrimaryKeyValue =
- MusicUtil.convertToActualDataType(primaryKeyType, primaryKeyValue);
-
- // get the row of data from a quorum
- selectQuery.appendQueryString("SELECT * FROM " + keyspaceName + "." + tableName + " WHERE "
- + primaryKeyName + "= ?" + ";");
- selectQuery.addValue(cqlFormattedPrimaryKeyValue);
- MusicUtil.writeBackToQuorum(selectQuery, primaryKeyName, updateQuery, keyspaceName, tableName,
- cqlFormattedPrimaryKeyValue);
- }
-
-
-
-
- /**
- *
- * @param query
- * @return ResultSet
- */
- public ResultSet quorumGet(PreparedQueryObject query) {
- ResultSet results = null;
- try {
- results = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(query);
- } catch (MusicServiceException | MusicQueryException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.UNKNOWNERROR ,ErrorSeverity.MAJOR, ErrorTypes.GENERALSERVICEERROR);
-
- }
- return results;
-
- }
-
-
-
- /**
- *
- * @param lockName
- * @return
- */
- public String whoseTurnIsIt(String lockName) {
-
- try {
- return getLockingServiceHandle().whoseTurnIsIt("/" + lockName) + "";
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.LOCKINGERROR+lockName ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- return null;
-
-
- }
-
- /**
- *
- * @param lockId
- * @return
- */
- public static String getLockNameFromId(String lockId) {
- StringTokenizer st = new StringTokenizer(lockId);
- return st.nextToken("$");
- }
-
- public void destroyLockRef(String lockId) {
- long start = System.currentTimeMillis();
- try {
- getLockingServiceHandle().unlockAndDeleteId(lockId);
- } catch (MusicLockingException | NoNodeException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.DESTROYLOCK+lockId ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to destroy lock reference:" + (end - start) + " ms");
- }
-
- public MusicLockState releaseLock(String lockId, boolean voluntaryRelease) {
- long start = System.currentTimeMillis();
- try {
- getLockingServiceHandle().unlockAndDeleteId(lockId);
- } catch (MusicLockingException e1) {
- logger.error(EELFLoggerDelegate.errorLogger,e1.getMessage(), AppMessages.RELEASELOCK+lockId ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- } catch (KeeperException.NoNodeException nne) {
- logger.error(EELFLoggerDelegate.errorLogger,"Failed to release Lock " + lockId + " " + nne);
- MusicLockState mls = new MusicLockState("Lock doesn't exists. Release lock operation failed.");
- return mls;
- }
- String lockName = getLockNameFromId(lockId);
- MusicLockState mls;
- String lockHolder = null;
- if (voluntaryRelease) {
- mls = new MusicLockState(MusicLockState.LockStatus.UNLOCKED, lockHolder);
- logger.info(EELFLoggerDelegate.applicationLogger,"In unlock: lock voluntarily released for " + lockId);
- } else {
- boolean needToSyncQuorum = true;
- mls = new MusicLockState(MusicLockState.LockStatus.UNLOCKED, lockHolder,
- needToSyncQuorum);
- logger.info(EELFLoggerDelegate.applicationLogger,"In unlock: lock forcibly released for " + lockId);
- }
- try {
- getLockingServiceHandle().setLockState(lockName, mls);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.RELEASELOCK+lockId ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to release lock:" + (end - start) + " ms");
- return mls;
- }
-
- public static void voluntaryReleaseLock(String lockId) throws MusicLockingException{
- try {
- getLockingServiceHandle().unlockAndDeleteId(lockId);
- } catch (KeeperException.NoNodeException e) {
- // ??? No way
- }
- }
-
- /**
- *
- * @param lockName
- * @throws MusicLockingException
- */
- public void deleteLock(String lockName) throws MusicLockingException {
- long start = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Deleting lock for " + lockName);
- try {
- getLockingServiceHandle().deleteLock("/" + lockName);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.DELTELOCK+lockName ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- throw new MusicLockingException(e.getMessage());
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to delete lock:" + (end - start) + " ms");
- }
-
-
- /**
- *
- * @param nodeName
- */
- public static void pureZkCreate(String nodeName) {
- try {
- getLockingServiceHandle().getzkLockHandle().createNode(nodeName);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), "[ERR512E] Failed to get ZK Lock Handle " ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- }
-
- /**
- *
- * @param nodeName
- * @param data
- */
- public static void pureZkWrite(String nodeName, byte[] data) {
- long start = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Performing zookeeper write to " + nodeName);
- try {
- getLockingServiceHandle().getzkLockHandle().setNodeData(nodeName, data);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), "[ERR512E] Failed to get ZK Lock Handle " ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- logger.info(EELFLoggerDelegate.applicationLogger,"Performed zookeeper write to " + nodeName);
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken for the actual zk put:" + (end - start) + " ms");
- }
-
- /**
- *
- * @param nodeName
- * @return
- */
- public static byte[] pureZkRead(String nodeName) {
- long start = System.currentTimeMillis();
- byte[] data = null;
- try {
- data = getLockingServiceHandle().getzkLockHandle().getNodeData(nodeName);
- } catch (MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), "[ERR512E] Failed to get ZK Lock Handle " ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
- }
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken for the actual zk put:" + (end - start) + " ms");
- return data;
- }
-
-
-
- // Prepared Query Additions.
-
- /**
- *
- * @param keyspaceName
- * @param tableName
- * @param primaryKey
- * @param queryObject
- * @return ReturnType
- * @throws MusicServiceException
- */
- public ReturnType eventualPut(PreparedQueryObject queryObject) {
- boolean result = false;
- try {
- result = MusicDataStoreHandle.getDSHandle().executePut(queryObject, MusicUtil.EVENTUAL);
- } catch (MusicServiceException | MusicQueryException ex) {
- logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage(), "[ERR512E] Failed to get ZK Lock Handle " ,ErrorSeverity.WARN, ErrorTypes.MUSICSERVICEERROR);
- logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage() + " " + ex.getCause() + " " + ex);
- return new ReturnType(ResultType.FAILURE, ex.getMessage());
- }
- if (result) {
- return new ReturnType(ResultType.SUCCESS, "Eventual Operation Successfully performed");
- } else {
- return new ReturnType(ResultType.FAILURE, "Eventual Operation failed to perform");
- }
- }
-
- /**
- *
- * @param keyspaceName
- * @param tableName
- * @param primaryKey
- * @param queryObject
- * @param lockId
- * @return
- */
- public ReturnType criticalPut(String keyspaceName, String tableName, String primaryKey,
- PreparedQueryObject queryObject, String lockId, Condition conditionInfo) {
- long start = System.currentTimeMillis();
-
- try {
- MusicLockState mls = getLockingServiceHandle()
- .getLockState(keyspaceName + "." + tableName + "." + primaryKey);
- if (mls.getLockHolder().equals(lockId) == true) {
- if (conditionInfo != null)
- try {
- if (conditionInfo.testCondition() == false)
- return new ReturnType(ResultType.FAILURE,
- "Lock acquired but the condition is not true");
- } catch (Exception e) {
- return new ReturnType(ResultType.FAILURE,
- "Exception thrown while doing the critical put, check sanctity of the row/conditions:\n"
- + e.getMessage());
- }
- boolean result = MusicDataStoreHandle.getDSHandle().executePut(queryObject, MusicUtil.CRITICAL);
- long end = System.currentTimeMillis();
- logger.info(EELFLoggerDelegate.applicationLogger,"Time taken for the critical put:" + (end - start) + " ms");
- if (result) {
- return new ReturnType(ResultType.SUCCESS, "Update performed");
- } else {
- return new ReturnType(ResultType.FAILURE, "Update failed to perform");
- }
- } else
- return new ReturnType(ResultType.FAILURE,
- "Cannot perform operation since you are the not the lock holder");
- } catch (MusicQueryException | MusicServiceException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage());
- return new ReturnType(ResultType.FAILURE,
- "Exception thrown while doing the critical put, check sanctity of the row/conditions:\n"
- + e.getMessage());
- }catch(MusicLockingException ex){
- return new ReturnType(ResultType.FAILURE,ex.getMessage());
- }
-
- }
-
- /**
- *
- * @param queryObject
- * @param consistency
- * @return Boolean Indicates success or failure
- * @throws MusicServiceException
- *
- *
- */
- public ResultType nonKeyRelatedPut(PreparedQueryObject queryObject, String consistency) throws MusicServiceException {
- // this is mainly for some functions like keyspace creation etc which does not
- // really need the bells and whistles of Music locking.
- boolean result = false;
- try {
- result = MusicDataStoreHandle.getDSHandle().executePut(queryObject, consistency);
- } catch (MusicQueryException | MusicServiceException ex) {
- logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage(), AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN, ErrorTypes.MUSICSERVICEERROR);
- throw new MusicServiceException(ex.getMessage());
- }
- return result?ResultType.SUCCESS:ResultType.FAILURE;
- }
-
- /**
- * This method performs DDL operation on cassandra.
- *
- * @param queryObject query object containing prepared query and values
- * @return ResultSet
- * @throws MusicServiceException
- */
- public ResultSet get(PreparedQueryObject queryObject) throws MusicServiceException {
- ResultSet results = null;
- try {
- results = MusicDataStoreHandle.getDSHandle().executeOneConsistencyGet(queryObject);
- } catch (MusicQueryException | MusicServiceException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage());
- throw new MusicServiceException(e.getMessage());
- }
- return results;
- }
-
- public static String getMyHostId() {
- PreparedQueryObject pQuery = new PreparedQueryObject();
- pQuery.appendQueryString("SELECT HOST_ID FROM SYSTEM.LOCAL");
- ResultSet rs = null;
- try {
- rs = MusicDataStoreHandle.getDSHandle().executeOneConsistencyGet(pQuery);
- Row row = rs.one();
- return (row == null) ? "UNKNOWN" : row.getUUID("HOST_ID").toString();
- } catch (Exception e) {
- e.printStackTrace();
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage());
- }
- logger.error(EELFLoggerDelegate.errorLogger, "Some issue during MusicCore.getMyHostId");
- return "UNKNOW";
- }
-
- /**
- * This method performs DDL operations on cassandra, if the the resource is available. Lock ID
- * is used to check if the resource is free.
- *
- * @param keyspaceName name of the keyspace
- * @param tableName name of the table
- * @param primaryKey primary key value
- * @param queryObject query object containing prepared query and values
- * @param lockId lock ID to check if the resource is free to perform the operation.
- * @return ResultSet
- */
- public ResultSet criticalGet(String keyspaceName, String tableName, String primaryKey,
- PreparedQueryObject queryObject, String lockId) throws MusicServiceException {
- ResultSet results = null;
- try {
- MusicLockState mls = getLockingServiceHandle()
- .getLockState(keyspaceName + "." + tableName + "." + primaryKey);
- if (mls.getLockHolder().equals(lockId)) {
- results = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(queryObject);
- } else
- throw new MusicServiceException("YOU DO NOT HAVE THE LOCK");
- } catch (MusicQueryException | MusicServiceException | MusicLockingException e) {
- logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN, ErrorTypes.MUSICSERVICEERROR);
- }
- return results;
- }
-
- /**
- * This method performs DML operation on cassandra, when the lock of the dd is acquired.
- *
- * @param keyspaceName name of the keyspace
- * @param tableName name of the table
- * @param primaryKey primary key value
- * @param queryObject query object containing prepared query and values
- * @return ReturnType
- * @throws MusicLockingException
- */
- public ReturnType atomicPut(String keyspaceName, String tableName, String primaryKey,
- PreparedQueryObject queryObject, Condition conditionInfo) throws MusicLockingException {
-
- long start = System.currentTimeMillis();
- String key = keyspaceName + "." + tableName + "." + primaryKey;
- String lockId = createLockReference(key);
- long lockCreationTime = System.currentTimeMillis();
- ReturnType lockAcqResult = acquireLock(key, lockId);
- long lockAcqTime = System.currentTimeMillis();
- if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
- logger.info(EELFLoggerDelegate.applicationLogger,"acquired lock with id " + lockId);
- ReturnType criticalPutResult = criticalPut(keyspaceName, tableName, primaryKey,
- queryObject, lockId, conditionInfo);
- long criticalPutTime = System.currentTimeMillis();
- voluntaryReleaseLock(lockId);
- long lockDeleteTime = System.currentTimeMillis();
- String timingInfo = "|lock creation time:" + (lockCreationTime - start)
- + "|lock accquire time:" + (lockAcqTime - lockCreationTime)
- + "|critical put time:" + (criticalPutTime - lockAcqTime)
- + "|lock delete time:" + (lockDeleteTime - criticalPutTime) + "|";
- criticalPutResult.setTimingInfo(timingInfo);
- return criticalPutResult;
- } else {
- logger.info(EELFLoggerDelegate.applicationLogger,"unable to acquire lock, id " + lockId);
- destroyLockRef(lockId);
- return lockAcqResult;
- }
- }
-
- /**
- * this function is mainly for the benchmarks to see the effect of lock deletion.
- *
- * @param keyspaceName
- * @param tableName
- * @param primaryKey
- * @param queryObject
- * @param conditionInfo
- * @return
- * @throws MusicLockingException
- */
- public ReturnType atomicPutWithDeleteLock(String keyspaceName, String tableName,
- String primaryKey, PreparedQueryObject queryObject, Condition conditionInfo) throws MusicLockingException {
-
- long start = System.currentTimeMillis();
- String key = keyspaceName + "." + tableName + "." + primaryKey;
- String lockId = createLockReference(key);
- long lockCreationTime = System.currentTimeMillis();
- long leasePeriod = MusicUtil.getDefaultLockLeasePeriod();
- ReturnType lockAcqResult = acquireLock(key, lockId);
- long lockAcqTime = System.currentTimeMillis();
- if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
- logger.info(EELFLoggerDelegate.applicationLogger,"acquired lock with id " + lockId);
- ReturnType criticalPutResult = criticalPut(keyspaceName, tableName, primaryKey,
- queryObject, lockId, conditionInfo);
- long criticalPutTime = System.currentTimeMillis();
- deleteLock(key);
- long lockDeleteTime = System.currentTimeMillis();
- String timingInfo = "|lock creation time:" + (lockCreationTime - start)
- + "|lock accquire time:" + (lockAcqTime - lockCreationTime)
- + "|critical put time:" + (criticalPutTime - lockAcqTime)
- + "|lock delete time:" + (lockDeleteTime - criticalPutTime) + "|";
- criticalPutResult.setTimingInfo(timingInfo);
- return criticalPutResult;
- } else {
- logger.info(EELFLoggerDelegate.applicationLogger,"unable to acquire lock, id " + lockId);
- deleteLock(key);
- return lockAcqResult;
- }
- }
-
-
-
-
- /**
- * This method performs DDL operation on cassasndra, when the lock for the resource is acquired.
- *
- * @param keyspaceName name of the keyspace
- * @param tableName name of the table
- * @param primaryKey primary key value
- * @param queryObject query object containing prepared query and values
- * @return ResultSet
- * @throws MusicServiceException
- * @throws MusicLockingException
- */
- public ResultSet atomicGet(String keyspaceName, String tableName, String primaryKey,
- PreparedQueryObject queryObject) throws MusicServiceException, MusicLockingException {
- String key = keyspaceName + "." + tableName + "." + primaryKey;
- String lockId = createLockReference(key);
- long leasePeriod = MusicUtil.getDefaultLockLeasePeriod();
- ReturnType lockAcqResult = acquireLock(key, lockId);
- if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
- logger.info(EELFLoggerDelegate.applicationLogger,"acquired lock with id " + lockId);
- ResultSet result =
- criticalGet(keyspaceName, tableName, primaryKey, queryObject, lockId);
- voluntaryReleaseLock(lockId);
- return result;
- } else {
- destroyLockRef(lockId);
- logger.info(EELFLoggerDelegate.applicationLogger,"unable to acquire lock, id " + lockId);
- return null;
- }
- }
-
- public ResultSet atomicGetWithDeleteLock(String keyspaceName, String tableName, String primaryKey,
- PreparedQueryObject queryObject) throws MusicServiceException, MusicLockingException {
- String key = keyspaceName + "." + tableName + "." + primaryKey;
- String lockId = createLockReference(key);
- long leasePeriod = MusicUtil.getDefaultLockLeasePeriod();
-
- ReturnType lockAcqResult = acquireLock(key, lockId);
-
- if (lockAcqResult.getResult().equals(ResultType.SUCCESS)) {
- logger.info(EELFLoggerDelegate.applicationLogger, "acquired lock with id " + lockId);
- ResultSet result = criticalGet(keyspaceName, tableName, primaryKey, queryObject, lockId);
- deleteLock(key);
- return result;
- } else {
- deleteLock(key);
- logger.info(EELFLoggerDelegate.applicationLogger, "unable to acquire lock, id " + lockId);
- return null;
- }
- }
-
- /**
- * @param lockName
- * @return
- */
- public Map<String, Object> validateLock(String lockName) {
- return MusicUtil.validateLock(lockName);
- }
-
- @Override
- public ResultType createTable(String keyspace, String table, PreparedQueryObject tableQueryObject,
- String consistency) throws MusicServiceException {
- boolean result = false;
- try {
- //create shadow locking table
- //result = createLockQueue(keyspace, table);
- if(result == false)
- return ResultType.FAILURE;
-
- result = false;
-
- //create table to track unsynced_keys
- table = "unsyncedKeys_"+table;
-
- String tabQuery = "CREATE TABLE IF NOT EXISTS "+keyspace+"."+table
- + " ( key text,PRIMARY KEY (key) );";
- System.out.println(tabQuery);
- PreparedQueryObject queryObject = new PreparedQueryObject();
-
- queryObject.appendQueryString(tabQuery);
- result = false;
- result = MusicDataStoreHandle.getDSHandle().executePut(queryObject, "eventual");
-
-
- //create actual table
- result = MusicDataStoreHandle.getDSHandle().executePut(tableQueryObject, consistency);
- } catch (MusicQueryException | MusicServiceException ex) {
- logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage(), AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN, ErrorTypes.MUSICSERVICEERROR);
- throw new MusicServiceException(ex.getMessage());
- }
- return result?ResultType.SUCCESS:ResultType.FAILURE;
- }
-
- public static boolean createLockQueue(String keyspace, String table) throws MusicServiceException, MusicQueryException {
- logger.info(EELFLoggerDelegate.applicationLogger,
- "Create lock queue/table for " + keyspace+"."+table);
- table = "lockQ_"+table;
- String tabQuery = "CREATE TABLE IF NOT EXISTS "+keyspace+"."+table
- + " ( key text, lockReference bigint, createTime text, acquireTime text, guard bigint static, PRIMARY KEY ((key), lockReference) ) "
- + "WITH CLUSTERING ORDER BY (lockReference ASC);";
- System.out.println(tabQuery);
- PreparedQueryObject queryObject = new PreparedQueryObject();
-
- queryObject.appendQueryString(tabQuery);
- boolean result;
- result = MusicDataStoreHandle.mDstoreHandle.executePut(queryObject, "eventual");
- return result;
- }
-
-
- @Override
- public List<String> getLockQueue(String fullyQualifiedKey)
- throws MusicServiceException, MusicQueryException, MusicLockingException {
- // TODO Auto-generated method stub
- return null;
- }
-
-
-
- @Override
- public long getLockQueueSize(String fullyQualifiedKey)
- throws MusicServiceException, MusicQueryException, MusicLockingException {
- // TODO Auto-generated method stub
- return 0;
- }
- @Override
- public ReturnType eventualPut_nb(PreparedQueryObject queryObject, String keyspace, String tablename,
- String primaryKey) {
- return eventualPut(queryObject);
- }
-
-
-
-
-}