org.axiondb.engine.indexes
Class BaseIndexFactory

java.lang.Object
  org.axiondb.engine.indexes.BaseIndexFactory

All Implemented Interfaces:

IndexFactory

Direct Known Subclasses:

ArrayIndexFactory, BTreeIndexFactory

public abstract class BaseIndexFactory
extends java.lang.Object
implements IndexFactory

Abstract base class for IndexFactoryto hold common methods.

Version:

$Revision: 1.6 $ $Date: 2005/06/29 21:09:30 $

Constructor Summary

protected

BaseIndexFactory()

Method Summary

Index

makeNewSystemInstance(Table table, Column col, boolean memorydb) Creates a new system instance with an autogenerated index name that combines the table name, column name, and current UNIX time (expressed in hexadecimal).

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.axiondb.IndexFactory

makeNewInstance

Constructor Detail

BaseIndexFactory

protected BaseIndexFactory()

Method Detail

makeNewSystemInstance

public Index makeNewSystemInstance(Table table,
                                   Column col,
                                   boolean memorydb)
                            throws AxionException

Creates a new system instance with an autogenerated index name that combines the table name, column name, and current UNIX time (expressed in hexadecimal).

Specified by:

makeNewSystemInstance in interface IndexFactory

Parameters:

table - Table in which col resides

col - Column to be indexed

Returns:

new system-generated Index with an internally-generated name

Throws:

AxionException - if error occurs during creation

See Also:

org.axiondb.IndexFactory.makeNewSystemInstance(org.axiondb.Table, org.axiondb.Column, boolean)