org.assistments.service.dao.base

Interface SchemaUtilDao

All Known Implementing Classes:

JdbcSchemaUtilDao

public interface SchemaUtilDao

Method Summary

Modifier and Type	Method and Description
void	createTable(SchemaTable table) Creates a single table.
void	createUnitTestDatabases(java.lang.String className)
void	dropTable(SchemaTable table) Drops a single table.
void	dropUnitTestDatabases(java.lang.String className)
boolean	exists(SchemaTable table) Returns whether the specified table exists in the database
int	getCountEstimate(SchemaTable table) Returns an estimated row count for the specified table.
int	getCountExact(SchemaTable table) Returns an exact row count for the specified table.

Method Detail

createTable

void createTable(SchemaTable table)
          throws AlreadyExistsException

Creates a single table.

Parameters:

table - Table to create.

Throws:

AlreadyExistsException

exists

boolean exists(SchemaTable table)

Returns whether the specified table exists in the database

dropTable

void dropTable(SchemaTable table)
        throws NotFoundException

Drops a single table.

Parameters:

table - Table to drop.

Throws:

NotFoundException

getCountExact

int getCountExact(SchemaTable table)

Returns an exact row count for the specified table.

Note: This can / will be slow for large tables.

See Also:

getCountEstimate(SchemaTable)

getCountEstimate

int getCountEstimate(SchemaTable table)

Returns an estimated row count for the specified table.

Note: While not percise, this is fast for large tables

See Also:

getCountExact(SchemaTable)

createUnitTestDatabases

void createUnitTestDatabases(java.lang.String className)
                      throws java.net.UnknownHostException

Throws:

java.net.UnknownHostException

dropUnitTestDatabases

void dropUnitTestDatabases(java.lang.String className)
                    throws java.net.UnknownHostException

Throws:

java.net.UnknownHostException