import java.util.Map;
import java.util.StringTokenizer;
+import javax.ws.rs.core.MultivaluedMap;
+
+import org.onap.music.datastore.Condition;
import org.onap.music.datastore.MusicDataStore;
import org.onap.music.datastore.MusicDataStoreHandle;
import org.onap.music.datastore.PreparedQueryObject;
+import org.onap.music.datastore.jsonobjects.JsonDelete;
+import org.onap.music.datastore.jsonobjects.JsonIndex;
+import org.onap.music.datastore.jsonobjects.JsonInsert;
+import org.onap.music.datastore.jsonobjects.JsonKeySpace;
+import org.onap.music.datastore.jsonobjects.JsonSelect;
+import org.onap.music.datastore.jsonobjects.JsonTable;
+import org.onap.music.datastore.jsonobjects.JsonUpdate;
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.MusicDeadlockException;
import org.onap.music.exceptions.MusicLockingException;
import org.onap.music.exceptions.MusicQueryException;
import org.onap.music.exceptions.MusicServiceException;
import com.datastax.driver.core.Row;
import com.datastax.driver.core.TableMetadata;
-import org.onap.music.datastore.*;
-
public class MusicCassaCore implements MusicCoreService {
private static CassaLockStore mLockHandle = null;
}
public String createLockReference(String fullyQualifiedKey, LockType locktype) throws MusicLockingException {
+ return createLockReference(fullyQualifiedKey, locktype, null);
+ }
+
+ public String createLockReference(String fullyQualifiedKey, LockType locktype, String owner) throws MusicLockingException {
String[] splitString = fullyQualifiedKey.split("\\.");
String keyspace = splitString[0];
String table = splitString[1];
logger.info(EELFLoggerDelegate.applicationLogger,"Creating lock reference for lock name:" + lockName);
long start = System.currentTimeMillis();
String lockReference = null;
+
+ try {
+ boolean deadlock = getLockingServiceHandle().checkForDeadlock(keyspace, table, lockName, locktype, owner, false);
+ if (deadlock) {
+ MusicDeadlockException e = new MusicDeadlockException("Deadlock detected when " + owner + " tried to create lock on " + keyspace + "." + table + "." + lockName);
+ e.setValues(owner, keyspace, table, lockName);
+ throw e;
+ }
+ } catch (MusicDeadlockException e) {
+ //just threw this, no need to wrap it
+ throw e;
+ } catch (MusicServiceException | MusicQueryException e) {
+ logger.error(EELFLoggerDelegate.applicationLogger, e);
+ throw new MusicLockingException("Unable to check for deadlock. " + e.getMessage(), e);
+ }
try {
- lockReference = "" + getLockingServiceHandle().genLockRefandEnQueue(keyspace, table, lockName, locktype);
+ lockReference = "" + getLockingServiceHandle().genLockRefandEnQueue(keyspace, table, lockName, locktype, owner);
} catch (MusicLockingException | MusicServiceException | MusicQueryException e) {
- e.printStackTrace();
- throw new MusicLockingException("Unable to create lock reference. " + e.getMessage());
+ logger.error(EELFLoggerDelegate.applicationLogger, e);
+ throw new MusicLockingException("Unable to create lock reference. " + e.getMessage(), e);
} catch (Exception e) {
logger.error(EELFLoggerDelegate.applicationLogger, e);
- throw new MusicLockingException("Unable to create lock reference. " + e.getMessage());
+ throw new MusicLockingException("Unable to create lock reference. " + e.getMessage(), e);
}
long end = System.currentTimeMillis();
logger.info(EELFLoggerDelegate.applicationLogger,"Time taken to create lock reference:" + (end - start) + " ms");
return lockReference;
}
+
+ public ReturnType promoteLock(String lockId) throws MusicLockingException {
+ String[] splitString = lockId.split("\\.");
+ String keyspace = splitString[0].substring(1);//remove '$'
+ String table = splitString[1];
+ String primaryKeyValue = splitString[2].substring(0, splitString[2].lastIndexOf("$"));
+ String localFullyQualifiedKey = lockId.substring(1, lockId.lastIndexOf("$"));
+ String lockRef = lockId.substring(lockId.lastIndexOf("$")+1); //lockRef is "$" to end
+
+ logger.info(EELFLoggerDelegate.applicationLogger,"Attempting to promote lock " + lockId);
+
+ try {
+ return getLockingServiceHandle().promoteLock(keyspace, table, primaryKeyValue, lockRef);
+ } catch (MusicServiceException e) {
+ throw new MusicLockingException("Unable to promote lock. ", e);
+ } catch (MusicQueryException e) {
+ throw new MusicLockingException("Unable to promote lock. ", e);
+ }
+
+ }
public ReturnType acquireLockWithLease(String fullyQualifiedKey, String lockReference, long leasePeriod)
return new ReturnType(ResultType.FAILURE, lockId + " is not a lock holder");//not top of the lock store q
}
+ if (getLockingServiceHandle().checkForDeadlock(keyspace, table, primaryKeyValue, lockInfo.getLocktype(), lockInfo.getOwner(), true)) {
+ MusicDeadlockException e = new MusicDeadlockException("Deadlock detected when " + lockInfo.getOwner() + " tried to create lock on " + keyspace + "." + table + "." + primaryKeyValue);
+ e.setValues(lockInfo.getOwner(), keyspace, table, primaryKeyValue);
+ throw e;
+ }
+
//check to see if the value of the key has to be synced in case there was a forceful release
String syncTable = keyspace+".unsyncedKeys_"+table;
String query = "select * from "+syncTable+" where key='"+localFullyQualifiedKey+"';";
PreparedQueryObject readQueryObject = new PreparedQueryObject();
readQueryObject.appendQueryString(query);
ResultSet results = MusicDataStoreHandle.getDSHandle().executeQuorumConsistencyGet(readQueryObject);
- if (results.all().size() != 0) {
+ if (!results.all().isEmpty()) {
logger.info("In acquire lock: Since there was a forcible release, need to sync quorum!");
try {
syncQuorum(keyspace, table, primaryKeyValue);
String table = splitString[1];
String primaryKeyValue = splitString[2];
try {
- return getLockingServiceHandle().getCurrentLockHolders(keyspace, table, primaryKeyValue);
+ return getLockingServiceHandle().getCurrentLockHolders(keyspace, table, primaryKeyValue);
} catch (MusicLockingException | MusicServiceException | MusicQueryException e) {
logger.error(EELFLoggerDelegate.errorLogger,e.getMessage(), AppMessages.LOCKINGERROR+fullyQualifiedKey ,ErrorSeverity.CRITICAL, ErrorTypes.LOCKINGERROR);
}
return destroyLockRef(fullyQualifiedKey, lockReference);
}
+ @Override
+ public List<String> releaseAllLocksForOwner(String ownerId, String keyspace, String table) throws MusicLockingException, MusicServiceException, MusicQueryException {
+// System.out.println("IN RELEASEALLLOCKSFOROWNER, ");
+
+ List<String> lockIds = getLockingServiceHandle().getAllLocksForOwner(ownerId, keyspace, table);
+ for (String lockId : lockIds) {
+// System.out.println(" LOCKID = " + lockId);
+ //return "$" + keyspace + "." + table + "." + lockName + "$" + String.valueOf(lockRef);
+ releaseLock("$" + keyspace + "." + table + "." + lockId, true);
+ }
+ return lockIds;
+ }
+
/**
*
* @param lockName
//deprecated
return null;
}
+
+ //Methods added for ORM changes
+
+ public ResultType createKeyspace(JsonKeySpace jsonKeySpaceObject,String consistencyInfo)
+ throws MusicServiceException,MusicQueryException {
+ ResultType result = nonKeyRelatedPut(jsonKeySpaceObject.genCreateKeyspaceQuery(), consistencyInfo);
+ logger.info(EELFLoggerDelegate.applicationLogger, " Keyspace Creation Process completed successfully");
+
+ return result;
+ }
+
+ public ResultType dropKeyspace(JsonKeySpace jsonKeySpaceObject, String consistencyInfo)
+ throws MusicServiceException,MusicQueryException {
+ ResultType result = nonKeyRelatedPut(jsonKeySpaceObject.genDropKeyspaceQuery(),
+ consistencyInfo);
+ logger.info(EELFLoggerDelegate.applicationLogger, " Keyspace deletion Process completed successfully");
+ return result;
+ }
+
+ public ResultType createTable(JsonTable jsonTableObject, String consistencyInfo)
+ throws MusicServiceException, MusicQueryException {
+ ResultType result = null;
+ try {
+ result = createTable(jsonTableObject.getKeyspaceName(),
+ jsonTableObject.getTableName(), jsonTableObject.genCreateTableQuery(), consistencyInfo);
+
+ } catch (MusicServiceException ex) {
+ logger.error(EELFLoggerDelegate.errorLogger, ex.getMessage(), AppMessages.UNKNOWNERROR, ErrorSeverity.WARN,
+ ErrorTypes.MUSICSERVICEERROR);
+ throw new MusicServiceException(ex.getMessage());
+ }
+ logger.info(EELFLoggerDelegate.applicationLogger, " Table Creation Process completed successfully ");
+ return result;
+ }
+
+ public ResultType dropTable(JsonTable jsonTableObject,String consistencyInfo)
+ throws MusicServiceException,MusicQueryException {
+ ResultType result = nonKeyRelatedPut(jsonTableObject.genDropTableQuery(),
+ consistencyInfo);
+ logger.info(EELFLoggerDelegate.applicationLogger, " Table deletion Process completed successfully ");
+
+ return result;
+ }
+
+ @Override
+ public ResultType createIndex(JsonIndex jsonIndexObject, String consistencyInfo)
+ throws MusicServiceException, MusicQueryException{
+ ResultType result = nonKeyRelatedPut(jsonIndexObject.genCreateIndexQuery(),
+ consistencyInfo);
+
+ logger.info(EELFLoggerDelegate.applicationLogger, " Index creation Process completed successfully ");
+ return result;
+ }
+
+ /**
+ * This method performs DDL operation on cassandra.
+ *
+ * @param queryObject query object containing prepared query and values
+ * @return ResultSet
+ * @throws MusicServiceException
+ */
+ public ResultSet select(JsonSelect jsonSelect, MultivaluedMap<String, String> rowParams)
+ throws MusicServiceException, MusicQueryException {
+ ResultSet results = null;
+ try {
+ results = get(jsonSelect.genSelectQuery(rowParams));
+ } catch (MusicServiceException e) {
+ logger.error(EELFLoggerDelegate.errorLogger,e.getMessage());
+ throw new MusicServiceException(e.getMessage());
+ }
+ return results;
+ }
+
+ /**
+ * Select Critical
+ */
+ public ResultSet selectCritical(JsonInsert jsonInsertObj, MultivaluedMap<String, String> rowParams)
+ throws MusicLockingException, MusicQueryException, MusicServiceException {
+
+ ResultSet results = null;
+ String consistency = "";
+ if(null != jsonInsertObj && null != jsonInsertObj.getConsistencyInfo()) {
+ consistency = jsonInsertObj.getConsistencyInfo().get("type");
+ }
+
+ String lockId = jsonInsertObj.getConsistencyInfo().get("lockId");
+
+ PreparedQueryObject queryObject = jsonInsertObj.genSelectCriticalPreparedQueryObj(rowParams);
+
+ if (consistency.equalsIgnoreCase(MusicUtil.CRITICAL)) {
+ results = criticalGet(jsonInsertObj.getKeyspaceName(), jsonInsertObj.getTableName(),
+ jsonInsertObj.getPrimaryKeyVal(), queryObject,lockId);
+ } else if (consistency.equalsIgnoreCase(MusicUtil.ATOMIC)) {
+ results = atomicGet(jsonInsertObj.getKeyspaceName(), jsonInsertObj.getTableName(),
+ jsonInsertObj.getPrimaryKeyVal(), queryObject);
+ }
+
+ return results;
+ }
+
+ /**
+ * this is insert row into Table
+ */
+ public ReturnType insertIntoTable(JsonInsert jsonInsertObj)
+ throws MusicLockingException, MusicQueryException, MusicServiceException {
+
+ String consistency = "";
+ if(null != jsonInsertObj && null != jsonInsertObj.getConsistencyInfo()) {
+ consistency = jsonInsertObj.getConsistencyInfo().get("type");
+ }
+
+ ReturnType result = null;
+
+ try {
+ PreparedQueryObject queryObj = null;
+ queryObj = jsonInsertObj.genInsertPreparedQueryObj();
+
+ if (consistency.equalsIgnoreCase(MusicUtil.EVENTUAL)) {
+ result = eventualPut(jsonInsertObj.genInsertPreparedQueryObj());
+ } else if (consistency.equalsIgnoreCase(MusicUtil.CRITICAL)) {
+ String lockId = jsonInsertObj.getConsistencyInfo().get("lockId");
+ if(lockId == null) {
+ logger.error(EELFLoggerDelegate.errorLogger,"LockId cannot be null. Create lock reference or"
+ + " use ATOMIC instead of CRITICAL", ErrorSeverity.FATAL, ErrorTypes.MUSICSERVICEERROR);
+ return new ReturnType(ResultType.FAILURE, "LockId cannot be null. Create lock "
+ + "and acquire lock or use ATOMIC instead of CRITICAL");
+ }
+ result = criticalPut(jsonInsertObj.getKeyspaceName(),
+ jsonInsertObj.getTableName(), jsonInsertObj.getPrimaryKeyVal(), jsonInsertObj.genInsertPreparedQueryObj(), lockId,null);
+ } else if (consistency.equalsIgnoreCase(MusicUtil.ATOMIC)) {
+ result = atomicPut(jsonInsertObj.getKeyspaceName(), jsonInsertObj.getTableName(),
+ jsonInsertObj.getPrimaryKeyVal(), jsonInsertObj.genInsertPreparedQueryObj(), null);
+ }
+ } catch (Exception ex) {
+ logger.error(EELFLoggerDelegate.errorLogger,ex.getMessage(), AppMessages.UNKNOWNERROR ,ErrorSeverity
+ .WARN, ErrorTypes.MUSICSERVICEERROR, ex);
+ return new ReturnType(ResultType.FAILURE, ex.getMessage());
+ }
+
+ return result;
+ }
+
+ /**
+ * This is insert row into Table
+ */
+ public ReturnType updateTable(JsonUpdate jsonUpdateObj, MultivaluedMap<String, String> rowParams)
+ throws MusicLockingException, MusicQueryException, MusicServiceException {
+
+ ReturnType result = null;
+ String consistency = "";
+ if(null != jsonUpdateObj && null != jsonUpdateObj.getConsistencyInfo()) {
+ consistency = jsonUpdateObj.getConsistencyInfo().get("type");
+ }
+ PreparedQueryObject queryObject = jsonUpdateObj.genUpdatePreparedQueryObj(rowParams);
+
+ Condition conditionInfo;
+ if (jsonUpdateObj.getConditions() == null) {
+ conditionInfo = null;
+ } else {
+ // to avoid parsing repeatedly, just send the select query to obtain row
+ PreparedQueryObject selectQuery = new PreparedQueryObject();
+ selectQuery.appendQueryString("SELECT * FROM " + jsonUpdateObj.getKeyspaceName() + "." + jsonUpdateObj.getTableName() + " WHERE "
+ + jsonUpdateObj.getRowIdString() + ";");
+ selectQuery.addValue(jsonUpdateObj.getPrimarKeyValue());
+ conditionInfo = new Condition(jsonUpdateObj.getConditions(), selectQuery);
+ }
+
+
+ if (consistency.equalsIgnoreCase(MusicUtil.EVENTUAL)) {
+ result = eventualPut(queryObject);
+ } else if (consistency.equalsIgnoreCase(MusicUtil.CRITICAL)) {
+ String lockId = jsonUpdateObj.getConsistencyInfo().get("lockId");
+ if(lockId == null) {
+ logger.error(EELFLoggerDelegate.errorLogger,"LockId cannot be null. Create lock reference or"
+ + " use ATOMIC instead of CRITICAL", ErrorSeverity.FATAL, ErrorTypes.MUSICSERVICEERROR);
+
+ return new ReturnType(ResultType.FAILURE, "LockId cannot be null. Create lock "
+ + "and acquire lock or use ATOMIC instead of CRITICAL");
+ }
+ result = criticalPut(jsonUpdateObj.getKeyspaceName(), jsonUpdateObj.getTableName(), jsonUpdateObj.getPrimarKeyValue(),
+ queryObject, lockId, conditionInfo);
+ } else if (consistency.equalsIgnoreCase("atomic_delete_lock")) {
+ // this function is mainly for the benchmarks
+ try {
+ result = atomicPutWithDeleteLock(jsonUpdateObj.getKeyspaceName(), jsonUpdateObj.getTableName(),
+ jsonUpdateObj.getPrimarKeyValue(), queryObject, conditionInfo);
+ } catch (MusicLockingException e) {
+ logger.error(EELFLoggerDelegate.errorLogger,e, AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN,
+ ErrorTypes.GENERALSERVICEERROR, e);
+ throw new MusicLockingException(AppMessages.UNKNOWNERROR.toString());
+
+ }
+ } else if (consistency.equalsIgnoreCase(MusicUtil.ATOMIC)) {
+ try {
+ result = atomicPut(jsonUpdateObj.getKeyspaceName(), jsonUpdateObj.getTableName(), jsonUpdateObj.getPrimarKeyValue(),
+ queryObject, conditionInfo);
+ } catch (MusicLockingException e) {
+ logger.error(EELFLoggerDelegate.errorLogger,e, AppMessages.UNKNOWNERROR ,ErrorSeverity.WARN, ErrorTypes.GENERALSERVICEERROR, e);
+ throw new MusicLockingException(AppMessages.UNKNOWNERROR.toString());
+ }
+ } else if (consistency.equalsIgnoreCase(MusicUtil.EVENTUAL_NB)) {
+ try {
+ result = eventualPut_nb(queryObject, jsonUpdateObj.getKeyspaceName(),
+ jsonUpdateObj.getTableName(), jsonUpdateObj.getPrimarKeyValue());
+ }catch (Exception e) {
+ return new ReturnType(ResultType.FAILURE, e.getMessage());
+ }
+
+ }
+
+ return result;
+ }
+
+ /**
+ * This method is for Delete From Table
+ */
+ public ReturnType deleteFromTable(JsonDelete jsonDeleteObj, MultivaluedMap<String, String> rowParams)
+ throws MusicLockingException, MusicQueryException, MusicServiceException {
+
+ ReturnType result = null;
+ String consistency = "";
+ if(null != jsonDeleteObj && null != jsonDeleteObj.getConsistencyInfo()) {
+ consistency = jsonDeleteObj.getConsistencyInfo().get("type");
+ }
+ PreparedQueryObject queryObject = jsonDeleteObj.genDeletePreparedQueryObj(rowParams);
+
+ // get the conditional, if any
+ Condition conditionInfo;
+ if (jsonDeleteObj.getConditions() == null) {
+ conditionInfo = null;
+ } else {
+ // to avoid parsing repeatedly, just send the select query to obtain row
+ PreparedQueryObject selectQuery = new PreparedQueryObject();
+ selectQuery.appendQueryString("SELECT * FROM " + jsonDeleteObj.getKeyspaceName() + "." + jsonDeleteObj.getTableName() + " WHERE "
+ + jsonDeleteObj.getRowIdString() + ";");
+ selectQuery.addValue(jsonDeleteObj.getPrimarKeyValue());
+ conditionInfo = new Condition(jsonDeleteObj.getConditions(), selectQuery);
+ }
+
+ if (consistency.equalsIgnoreCase(MusicUtil.EVENTUAL))
+ result = eventualPut(queryObject);
+ else if (consistency.equalsIgnoreCase(MusicUtil.CRITICAL)) {
+ String lockId = jsonDeleteObj.getConsistencyInfo().get("lockId");
+ if(lockId == null) {
+ logger.error(EELFLoggerDelegate.errorLogger,"LockId cannot be null. Create lock reference or"
+ + " use ATOMIC instead of CRITICAL", ErrorSeverity.FATAL, ErrorTypes.MUSICSERVICEERROR);
+
+ return new ReturnType(ResultType.FAILURE, "LockId cannot be null. Create lock "
+ + "and acquire lock or use ATOMIC instead of CRITICAL");
+ }
+ result = criticalPut(jsonDeleteObj.getKeyspaceName(),
+ jsonDeleteObj.getTableName(), jsonDeleteObj.getPrimarKeyValue(),
+ queryObject, lockId, conditionInfo);
+ } else if (consistency.equalsIgnoreCase(MusicUtil.ATOMIC)) {
+ result = atomicPut(jsonDeleteObj.getKeyspaceName(),
+ jsonDeleteObj.getTableName(), jsonDeleteObj.getPrimarKeyValue(),
+ queryObject, conditionInfo);
+ } else if(consistency.equalsIgnoreCase(MusicUtil.EVENTUAL_NB)) {
+ result = eventualPut_nb(queryObject, jsonDeleteObj.getKeyspaceName(),
+ jsonDeleteObj.getTableName(), jsonDeleteObj.getPrimarKeyValue());
+ }
+
+ return result;
+ }
}
Code Review / music.git / blobdiff