org.assistments.service.dao.base.impl.jdbc

Class JdbcSchemaUtilDao

java.lang.Object

org.assistments.service.dao.base.impl.jdbc.JdbcSchemaUtilDao

All Implemented Interfaces:

SchemaUtilDao

@Repository
public class JdbcSchemaUtilDao
extends java.lang.Object
implements SchemaUtilDao

Constructor Summary

Constructors

Constructor and Description
JdbcSchemaUtilDao()

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.

Methods inherited from class java.lang.Object

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

Constructor Detail

JdbcSchemaUtilDao

public JdbcSchemaUtilDao()

Method Detail

createTable

public void createTable(SchemaTable table)
                 throws AlreadyExistsException

Description copied from interface: SchemaUtilDao

Creates a single table.

Specified by:

createTable in interface SchemaUtilDao

Parameters:

table - Table to create.

Throws:

AlreadyExistsException

dropTable

public void dropTable(SchemaTable table)
               throws NotFoundException

Description copied from interface: SchemaUtilDao

Drops a single table.

Specified by:

dropTable in interface SchemaUtilDao

Parameters:

table - Table to drop.

Throws:

NotFoundException

exists

public boolean exists(SchemaTable table)

Description copied from interface: SchemaUtilDao

Returns whether the specified table exists in the database

Specified by:

exists in interface SchemaUtilDao

getCountExact

public int getCountExact(SchemaTable table)

Description copied from interface: SchemaUtilDao

Returns an exact row count for the specified table.

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

Specified by:

getCountExact in interface SchemaUtilDao

See Also:

SchemaUtilDao.getCountEstimate(SchemaTable)

getCountEstimate

public int getCountEstimate(SchemaTable table)

Description copied from interface: SchemaUtilDao

Returns an estimated row count for the specified table.

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

Specified by:

getCountEstimate in interface SchemaUtilDao

See Also:

SchemaUtilDao.getCountExact(SchemaTable)

dropUnitTestDatabases

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

Specified by:

dropUnitTestDatabases in interface SchemaUtilDao

Throws:

java.net.UnknownHostException

createUnitTestDatabases

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

Specified by:

createUnitTestDatabases in interface SchemaUtilDao

Throws:

java.net.UnknownHostException