stream.lookup

Class SQLDatabase

java.lang.Object

stream.lookup.SQLDatabase

All Implemented Interfaces:

LifeCycle, LookupService, Service

public class SQLDatabase
extends Object
implements LookupService, LifeCycle

Author:

chris

Field Summary

Fields

Modifier and Type	Field and Description
(package private) String[]	columns
(package private) Connection	connection
(package private) DatabaseDialect	dialect
(package private) static org.slf4j.Logger	log
(package private) String	password
(package private) String	select
(package private) PreparedStatement	statement
(package private) SourceURL	url
(package private) String	username

Constructor Summary

Constructors

Constructor and Description
SQLDatabase()

Method Summary

Modifier and Type	Method and Description
void	finish()
String	getPassword()
String	getSelect()
SourceURL	getUrl()
String	getUsername()
void	init(ApplicationContext context)
Data	lookup(String key)
void	reset()
void	setPassword(String password)
void	setSelect(String select)
void	setUrl(SourceURL url)
void	setUsername(String username)

Methods inherited from class java.lang.Object

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

Field Detail

log

static org.slf4j.Logger log

url

@Parameter(description="The database URL. This is expected to be JDBC compatible URL.")
SourceURL url

username

@Parameter(description="The user to connect to the database.")
String username

password

@Parameter(description="The password for connecting to the database.")
String password

select

@Parameter(description="The SQL query to call for the lookup. The \'?\' character is used as placeholder for the ID value.")
String select

columns

String[] columns

dialect

DatabaseDialect dialect

connection

transient Connection connection

statement

transient PreparedStatement statement

Constructor Detail

SQLDatabase

public SQLDatabase()

Method Detail

reset

public void reset()
           throws Exception

Specified by:

reset in interface Service

Throws:

Exception

See Also:

Service.reset()

init

public void init(ApplicationContext context)
          throws Exception

Specified by:

init in interface LifeCycle

Throws:

Exception

See Also:

stream.runtime.LifeCycle#init(stream.Context)

finish

public void finish()
            throws Exception

Specified by:

finish in interface LifeCycle

Throws:

Exception

See Also:

LifeCycle.finish()

lookup

public Data lookup(String key)

Specified by:

lookup in interface LookupService

See Also:

LookupService.lookup(java.lang.String)

getUrl

public SourceURL getUrl()

Returns:

the url

setUrl

public void setUrl(SourceURL url)

Parameters:

url - the url to set

getSelect

public String getSelect()

Returns:

the select

setSelect

public void setSelect(String select)

Parameters:

select - the select to set

getUsername

public String getUsername()

Returns:

the username

setUsername

public void setUsername(String username)

Parameters:

username - the username to set

getPassword

public String getPassword()

Returns:

the password

setPassword

public void setPassword(String password)

Parameters:

password - the password to set