com.caucho.db.index

Class IndexCache

java.lang.Object

com.caucho.db.index.IndexCache

public final class IndexCache
extends java.lang.Object

Manages the block cache

Method Summary

Modifier and Type	Method and Description
static IndexCache	create() Returns the block manager, ensuring a minimum number of entries.
void	delete(BTree btree, byte[] buffer, int offset, int length, DbTransaction xa) Remove the index entry.
static IndexCache	getCurrent()
void	insert(BTree btree, byte[] buffer, int offset, int length, long value, DbTransaction xa) Gets the index entry.
long	lookup(BTree btree, byte[] buffer, int offset, int length, DbTransaction xa) Gets the index entry.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static IndexCache create()

Returns the block manager, ensuring a minimum number of entries.

getCurrent

public static IndexCache getCurrent()

lookup

public long lookup(BTree btree,
                   byte[] buffer,
                   int offset,
                   int length,
                   DbTransaction xa)
            throws java.sql.SQLException

Gets the index entry.

Throws:

java.sql.SQLException

insert

public void insert(BTree btree,
                   byte[] buffer,
                   int offset,
                   int length,
                   long value,
                   DbTransaction xa)
            throws java.sql.SQLException

Gets the index entry.

Throws:

java.sql.SQLException

delete

public void delete(BTree btree,
                   byte[] buffer,
                   int offset,
                   int length,
                   DbTransaction xa)
            throws java.sql.SQLException

Remove the index entry.

Throws:

java.sql.SQLException