org.nsdl.mptstore.core
Class AbstractDDLGenerator

java.lang.Object
  org.nsdl.mptstore.core.AbstractDDLGenerator

All Implemented Interfaces:

DDLGenerator

Direct Known Subclasses:

DerbyDDLGenerator, H2DDLGenerator, PostgresDDLGenerator

public abstract class AbstractDDLGenerator
extends java.lang.Object
implements DDLGenerator

A partial DDLGenerator that implements the table dropping functionality. Drops are implemented using a single "DROP TABLE $name" command.

Author:

cwilper@cs.cornell.edu

Constructor Summary

AbstractDDLGenerator()

Method Summary

java.util.List<java.lang.String>	getDropMapTableDDL(java.lang.String table) Get the DDL command(s) necessary to drop a map table with the given name.
java.util.List<java.lang.String>	getDropSOTableDDL(java.lang.String table) Get the DDL command(s) necessary to drop a subject-object relationship table (aka predicate table) with the given name.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.nsdl.mptstore.core.DDLGenerator

getCreateMapTableDDL, getCreateSOTableDDL

Constructor Detail

AbstractDDLGenerator

public AbstractDDLGenerator()

Method Detail

getDropMapTableDDL

public java.util.List<java.lang.String> getDropMapTableDDL(java.lang.String table)

Get the DDL command(s) necessary to drop a map table with the given name.

Specified by:

getDropMapTableDDL in interface DDLGenerator

Parameters:

table - The map table name.

Returns:

The necessary DDL.

getDropSOTableDDL

public java.util.List<java.lang.String> getDropSOTableDDL(java.lang.String table)

Get the DDL command(s) necessary to drop a subject-object relationship table (aka predicate table) with the given name.

Specified by:

getDropSOTableDDL in interface DDLGenerator

Parameters:

table - The relationship table name.

Returns:

The necessary DDL.