Package com.creativityfactory.swiftserver.persistence

Class SingletonDataSource

java.lang.Object

com.creativityfactory.swiftserver.persistence.SingletonDataSource

public class SingletonDataSource
extends Object

This class is responsible for creating instance of datasource following the pattern Singleton.

Constructor Summary

Constructors

Constructor	Description
SingletonDataSource()

Method Summary

Modifier and Type	Method	Description
static Persistence<Object>	getInstance(Class<?> model)	Returns instance of persistence object for the given class.
static void	init(Map<String,Class<? extends Persistence<?>>> dtSrcMap)	This class initialize the creation of single instance for each identify, which it will be used later to get instance by the given class, where it will identify by the value present in @FromDataSource.

Methods inherited from class java.lang.Object

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

Constructor Details

SingletonDataSource

public SingletonDataSource()

Method Details

init

public static void init(Map<String,Class<? extends Persistence<?>>> dtSrcMap)
                 throws InstantiationException,
IllegalAccessException

This class initialize the creation of single instance for each identify, which it will be used later to get instance by the given class, where it will identify by the value present in @FromDataSource. This helps in the automation of creation of REST-APIs, exactly for user-defined data sources

Parameters:

dtSrcMap - Map of identify-class where will create a single instance for each identify

Throws:

InstantiationException

IllegalAccessException

getInstance

public static Persistence<Object> getInstance(Class<?> model)
                                       throws InstantiationException,
IllegalAccessException

Returns instance of persistence object for the given class. This class must be annotated with @FromDataSource

Parameters:

model - the given class which you want to get a persistence object of it.

Returns:

instance of persistence object for the given class

Throws:

InstantiationException - when attempt to get an instance of persistence for a class does not annotated with @FromDataSource

IllegalAccessException