Java Doc for LogSystem.java in  » Database-DBMS » h2database » org » h2 » log » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.log   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.h2.log.LogSystem LogSystem public class LogSystem (Code) The transaction log system is responsible for the write ahead log mechanism used in this database. A number of LogFile objects are used (one for each file). Field Summary final public static  int LOG_WRITTEN      Constructor Summary public   LogSystem(Database database, String fileNamePrefix, boolean readOnly, String accessMode)      Method Summary public  void add(Session session, DiskFile file, Record record)       void addRedoLog(Storage storage, int recordId, int blockCount, DataPage rec)      public  void addTruncate(Session session, DiskFile file, int storageId, int recordId, int blockCount)      Add a truncate entry.  void addUndoLogRecord(LogFile log, int logRecordId, int sessionId)      public  void checkpoint()      public  void close()      public  void commit(Session session)      public  boolean containsInDoubtTransactions()      public  void flush()       String getAccessMode()      public  ObjectArray getActiveLogFiles()       Database getDatabase()       boolean getFlushOnEachCommit()      public  ObjectArray getInDoubtTransactions()      public  long getMaxLogSize()       SessionState getOrAddSessionState(int sessionId)       DataPage getRowBuffer()       Storage getStorageForRecovery(int id)      public  void invalidateIndexSummary()       boolean isSessionCommitted(int sessionId, int logId, int pos)      public  void open()      public  void prepareCommit(Session session, String transaction)      public  boolean recover()       void removeSession(int sessionId)      public  void setDisabled(boolean disabled)      public  void setFlushOnEachCommit(boolean b)       void setLastCommitForSession(int sessionId, int logId, int pos)      public  void setMaxLogSize(long maxSize)       void setPreparedCommitForSession(LogFile log, int sessionId, int pos, String transaction, int blocks)      public  void sync()      public synchronized  void updateKeepFiles(int incrementDecrement)      Field Detail LOG_WRITTEN final public static int LOG_WRITTEN(Code) Constructor Detail LogSystem public LogSystem(Database database, String fileNamePrefix, boolean readOnly, String accessMode) throws SQLException(Code) Method Detail add public void add(Session session, DiskFile file, Record record) throws SQLException(Code) addRedoLog void addRedoLog(Storage storage, int recordId, int blockCount, DataPage rec) throws SQLException(Code) addTruncate public void addTruncate(Session session, DiskFile file, int storageId, int recordId, int blockCount) throws SQLException(Code) Add a truncate entry. Parameters:   session - the session Parameters:   file - the disk file Parameters:   storageId - the storage id Parameters:   recordId - the id of the first record Parameters:   blockCount - the number of blocks addUndoLogRecord void addUndoLogRecord(LogFile log, int logRecordId, int sessionId)(Code) checkpoint public void checkpoint() throws SQLException(Code) close public void close() throws SQLException(Code) commit public void commit(Session session) throws SQLException(Code) containsInDoubtTransactions public boolean containsInDoubtTransactions()(Code) flush public void flush() throws SQLException(Code) getAccessMode String getAccessMode()(Code) getActiveLogFiles public ObjectArray getActiveLogFiles()(Code) getDatabase Database getDatabase()(Code) getFlushOnEachCommit boolean getFlushOnEachCommit()(Code) getInDoubtTransactions public ObjectArray getInDoubtTransactions()(Code) getMaxLogSize public long getMaxLogSize()(Code) getOrAddSessionState SessionState getOrAddSessionState(int sessionId)(Code) getRowBuffer DataPage getRowBuffer()(Code) getStorageForRecovery Storage getStorageForRecovery(int id) throws SQLException(Code) invalidateIndexSummary public void invalidateIndexSummary() throws SQLException(Code) isSessionCommitted boolean isSessionCommitted(int sessionId, int logId, int pos)(Code) open public void open() throws SQLException(Code) prepareCommit public void prepareCommit(Session session, String transaction) throws SQLException(Code) recover public boolean recover() throws SQLException(Code) removeSession void removeSession(int sessionId)(Code) setDisabled public void setDisabled(boolean disabled)(Code) setFlushOnEachCommit public void setFlushOnEachCommit(boolean b)(Code) setLastCommitForSession void setLastCommitForSession(int sessionId, int logId, int pos)(Code) setMaxLogSize public void setMaxLogSize(long maxSize)(Code) setPreparedCommitForSession void setPreparedCommitForSession(LogFile log, int sessionId, int pos, String transaction, int blocks)(Code) sync public void sync() throws SQLException(Code) updateKeepFiles public synchronized void updateKeepFiles(int incrementDecrement)(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)