com.caucho.db

Class Database

java.lang.Object

com.caucho.db.Database

public class Database
extends java.lang.Object

Manager for a basic Java-based database.

Constructor Summary

Constructors

Constructor and Description
Database() Creates the database.
Database(Path dir) Creates the database.

Method Summary

Modifier and Type	Method and Description
void	addTable(Table table) Adds a table.
void	close() Closes the database.
TableFactory	createTableFactory() Creates a table factory.
void	dropTable(java.lang.String name) Drops a table.
void	ensureMemoryCapacity(long minCapacity) Ensure a minimum memory size.
BlockManager	getBlockManager() Returns the block manager.
java.util.concurrent.locks.ReadWriteLock	getDatabaseLock() Returns the database lock.
Path	getPath() Returns the path.
Table	getTable(java.lang.String name) Gets a table.
void	init() Initializes the database.
boolean	isFlushDirtyBlocksOnCommit()
Query	parseQuery(java.lang.String sql) Parses a query.
void	setFlushDirtyBlocksOnCommit(boolean isFlush)
void	setPath(Path dir) Sets the directory.
void	setRemoveOnError(boolean remove) Set if error tables should be removed.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Database

public Database()

Creates the database.

Database

public Database(Path dir)

Creates the database.

Method Detail

setPath

public void setPath(Path dir)

Sets the directory.

setRemoveOnError

public void setRemoveOnError(boolean remove)

Set if error tables should be removed.

setFlushDirtyBlocksOnCommit

public void setFlushDirtyBlocksOnCommit(boolean isFlush)

isFlushDirtyBlocksOnCommit

public boolean isFlushDirtyBlocksOnCommit()

ensureMemoryCapacity

public void ensureMemoryCapacity(long minCapacity)

Ensure a minimum memory size.

Parameters:

minCapacity - the minimum capacity in bytes

init

@PostConstruct
public void init()
                         throws java.sql.SQLException

Initializes the database. All *.db files in the database directory are read for stored tables.

Throws:

java.sql.SQLException

getPath

public Path getPath()

Returns the path.

getBlockManager

public BlockManager getBlockManager()

Returns the block manager.

getDatabaseLock

public java.util.concurrent.locks.ReadWriteLock getDatabaseLock()

Returns the database lock.

createTableFactory

public TableFactory createTableFactory()

Creates a table factory.

addTable

public void addTable(Table table)
              throws java.io.IOException

Adds a table.

Throws:

java.io.IOException

getTable

public Table getTable(java.lang.String name)

Gets a table.

dropTable

public void dropTable(java.lang.String name)
               throws java.sql.SQLException

Drops a table.

Throws:

java.sql.SQLException

parseQuery

public Query parseQuery(java.lang.String sql)
                 throws java.sql.SQLException

Parses a query.

Throws:

java.sql.SQLException

close

public void close()

Closes the database.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object