Java Doc for ParallelDB_LPRF.java in  » Database-JDBC-Connection-Pool » sequoia-2.10.9 » org » continuent » sequoia » controller » loadbalancer » paralleldb » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » sequoia 2.10.9 » org.continuent.sequoia.controller.loadbalancer.paralleldb   Source Cross Reference   Class Diagram   Java Document (Java Doc)   org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB    org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB_LPRF ParallelDB_LPRF public class ParallelDB_LPRF extends ParallelDB (Code) This class defines a ParallelDB_LPRF load balancer. This load balancer chooses the node that has the least pending queries for read and write queries execution. author:    Emmanuel Cecchet version:    1.0 Constructor Summary public   ParallelDB_LPRF(VirtualDatabase vdb)      Creates a new ParallelDB_LPRF object. Method Summary public  DatabaseBackend chooseBackendForReadRequest(AbstractRequest request)      public  DatabaseBackend chooseBackendForWriteRequest(AbstractWriteRequest request)      public  String getInformation()      public  String getParallelDBXml()      Constructor Detail ParallelDB_LPRF public ParallelDB_LPRF(VirtualDatabase vdb) throws Exception(Code) Creates a new ParallelDB_LPRF object. Parameters:   vdb - the virtual database this load balancer belongs to. throws:   Exception - if an error occurs Method Detail chooseBackendForReadRequest public DatabaseBackend chooseBackendForReadRequest(AbstractRequest request) throws SQLException(Code) See Also:   org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB.chooseBackendForReadRequest(org.continuent.sequoia.controller.requests.AbstractRequest) chooseBackendForWriteRequest public DatabaseBackend chooseBackendForWriteRequest(AbstractWriteRequest request) throws SQLException(Code) See Also:   org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB.chooseBackendForWriteRequest(org.continuent.sequoia.controller.requests.AbstractWriteRequest) getInformation public String getInformation()(Code) See Also:   org.continuent.sequoia.controller.loadbalancer.AbstractLoadBalancer.getInformation getParallelDBXml public String getParallelDBXml()(Code) See Also:   org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB.getParallelDBXml Fields inherited from org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB static Trace endUserLogger(Code)(Java Doc) Methods inherited from org.continuent.sequoia.controller.loadbalancer.paralleldb.ParallelDB public void abort(TransactionMetaData tm) throws SQLException(Code)(Java Doc) public void begin(TransactionMetaData tm) throws SQLException(Code)(Java Doc) public ExecuteResult callableStatementExecute(StoredProcedure proc, MetadataCache metadataCache) throws SQLException(Code)(Java Doc) public ControllerResultSet callableStatementExecuteQuery(StoredProcedure proc, MetadataCache metadataCache) throws SQLException(Code)(Java Doc) public ExecuteUpdateResult callableStatementExecuteUpdate(StoredProcedure proc) throws SQLException(Code)(Java Doc) abstract public DatabaseBackend chooseBackendForReadRequest(AbstractRequest request) throws SQLException(Code)(Java Doc) abstract public DatabaseBackend chooseBackendForWriteRequest(AbstractWriteRequest request) throws SQLException(Code)(Java Doc) public void closePersistentConnection(String login, long persistentConnectionId) throws SQLException(Code)(Java Doc) public void commit(TransactionMetaData tm) throws SQLException(Code)(Java Doc) public void disableBackend(DatabaseBackend db, boolean forceDisable) throws SQLException(Code)(Java Doc) public void enableBackend(DatabaseBackend db, boolean writeEnabled) throws SQLException(Code)(Java Doc) public int getNumberOfEnabledBackends()(Code)(Java Doc) abstract public String getParallelDBXml()(Code)(Java Doc) public ControllerResultSet getPreparedStatementGetMetaData(AbstractRequest request) throws SQLException(Code)(Java Doc) public String getXmlImpl()(Code)(Java Doc) public void openPersistentConnection(String login, long persistentConnectionId) throws SQLException(Code)(Java Doc) public ExecuteResult readOnlyCallableStatementExecute(StoredProcedure proc, MetadataCache metadataCache) throws SQLException(Code)(Java Doc) public ControllerResultSet readOnlyCallableStatementExecuteQuery(StoredProcedure proc, MetadataCache metadataCache) throws SQLException(Code)(Java Doc) public void releaseSavepoint(TransactionMetaData tm, String savepointName) throws SQLException(Code)(Java Doc) public void rollback(TransactionMetaData tm) throws SQLException(Code)(Java Doc) public void rollbackToSavepoint(TransactionMetaData tm, String savepointName) throws SQLException(Code)(Java Doc) public void setSavepoint(TransactionMetaData tm, String savepointName) throws SQLException(Code)(Java Doc) public ExecuteResult statementExecute(AbstractRequest request, MetadataCache metadataCache) throws SQLException, AllBackendsFailedException(Code)(Java Doc) public ControllerResultSet statementExecuteQuery(SelectRequest request, MetadataCache metadataCache) throws SQLException(Code)(Java Doc) public ExecuteUpdateResult statementExecuteUpdate(AbstractWriteRequest request) throws AllBackendsFailedException, SQLException(Code)(Java Doc) public GeneratedKeysResult statementExecuteUpdateWithKeys(AbstractWriteRequest request, MetadataCache metadataCache) throws AllBackendsFailedException, SQLException(Code)(Java Doc)