Java Doc for Log.java in  » Database-DBMS » hsql » org » hsqldb » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » hsql » org.hsqldb 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.hsqldb.Log

Log
class Log implements Runnable(Code)
This class is responsible for most file handling. A HSQL database consists of a .properties file, a .script file (contains a SQL script), a .data file (contains data of cached tables) and a .backup file (contains the compressed .data file)

This is an example of the .properties file. The version and the modified properties are automatically created by the database and should not be changed manually:

 modified=no
 version=1.43
 
The following lines are optional, this means they are not created automatically by the database, but they are interpreted if they exist in the .script file. They have to be created manually if required. If they don't exist the default is used. This are the defaults of the database 'test':
 readonly=false
 

version:
   1.7.0



Constructor Summary
 Log(Database db, Session system, String name)
    

Method Summary
 voidcheckpoint()
    
 voidclose(boolean compact)
    
 voidcloseAllTextCaches(boolean compact)
    
 voidcloseTextCache(String table)
    
 CachegetCache()
    
 HsqlDatabasePropertiesgetProperties()
    
 voidinitializeDatabaseFromBuffer(byte[] buf)
    
 booleanopen()
    
 CacheopenTextCache(String table, String source, boolean readOnlyData, boolean reversed)
    
 voidreopenAllTextCaches()
    
public  voidrun()
    
static  byte[]scriptToBuffer(Database db, boolean full, Session session)
    
static  voidscriptToFile(Database db, String file, boolean full, Session session)
    
 voidsetLogSize(int mb)
    
 voidsetWriteDelay(boolean delay)
    
 voidshutdown()
    
 voidshutdownAllTextCaches()
    
 voidstop()
    
 voidwrite(Session c, String s)
    


Constructor Detail
Log
Log(Database db, Session system, String name) throws SQLException(Code)
Constructor declaration
Parameters:
  db -
Parameters:
  system -
Parameters:
  name -
exception:
  SQLException - Description of the Exception




Method Detail
checkpoint
void checkpoint() throws SQLException(Code)
Method declaration
throws:
  SQLException -



close
void close(boolean compact) throws SQLException(Code)
Method declaration
Parameters:
  compact -
throws:
  SQLException -



closeAllTextCaches
void closeAllTextCaches(boolean compact) throws SQLException(Code)



closeTextCache
void closeTextCache(String table) throws SQLException(Code)



getCache
Cache getCache() throws SQLException(Code)



getProperties
HsqlDatabaseProperties getProperties()(Code)
Method declaration



initializeDatabaseFromBuffer
void initializeDatabaseFromBuffer(byte[] buf) throws SQLException(Code)



open
boolean open() throws SQLException(Code)
When opening a database, the hsqldb.compatible_version property is used to determine if this version of the engine is equal to or greater than the earliest version of the engine capable of opening that database.


throws:
  SQLException -




openTextCache
Cache openTextCache(String table, String source, boolean readOnlyData, boolean reversed) throws SQLException(Code)



reopenAllTextCaches
void reopenAllTextCaches() throws SQLException(Code)



run
public void run()(Code)
Method declaration



scriptToBuffer
static byte[] scriptToBuffer(Database db, boolean full, Session session) throws SQLException(Code)
Called internally by replication to generate initial state to be sent to new replica Returns null if the generation fails, or throws an exception



scriptToFile
static void scriptToFile(Database db, String file, boolean full, Session session) throws SQLException(Code)
Method declaration
Parameters:
  db -
Parameters:
  file -
Parameters:
  full -
Parameters:
  session -
throws:
  SQLException -



setLogSize
void setLogSize(int mb)(Code)
Method declaration
Parameters:
  mb -



setWriteDelay
void setWriteDelay(boolean delay)(Code)
Method declaration
Parameters:
  delay -



shutdown
void shutdown() throws SQLException(Code)
Method declaration
throws:
  SQLException -



shutdownAllTextCaches
void shutdownAllTextCaches() throws SQLException(Code)



stop
void stop()(Code)
Method declaration



write
void write(Session c, String s) throws SQLException(Code)
Method declaration
Parameters:
  c -
Parameters:
  s -
throws:
  SQLException -



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)

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