br.net.eventstore.provider

Class InMemoryProvider

java.lang.Object

br.net.eventstore.provider.InMemoryProvider

All Implemented Interfaces:

Provider

public class InMemoryProvider
extends java.lang.Object
implements Provider

A Persistence Provider that handle all the data in memory. It is a very simple implementation that should be used only for development and test purposes.

Constructor Summary

Constructors

Constructor and Description
InMemoryProvider()

Method Summary

Modifier and Type	Method and Description
Event	addEvent(java.lang.String aggregation, java.lang.String streamId, Event event) Add a new Event in the EventStream
java.util.stream.Stream<java.lang.String>	getAggregations() Retrieves the aggregation list
java.util.stream.Stream<java.lang.String>	getAggregations(int offset, int limit) Retrieves a ranged aggregation list
java.util.stream.Stream<Event>	getEvents(java.lang.String aggregation, java.lang.String streamId) Retrieves a list of events in the EventStream
java.util.stream.Stream<Event>	getEvents(java.lang.String aggregation, java.lang.String streamId, int offset, int limit) Retrieves a ranged list of events in the EventStream
java.util.stream.Stream<java.lang.String>	getStreams(java.lang.String aggregation) Retrieves the stream list
java.util.stream.Stream<java.lang.String>	getStreams(java.lang.String aggregation, int offset, int limit) Retrieves a ranged stream list

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryProvider

public InMemoryProvider()

Method Detail

addEvent

public Event addEvent(java.lang.String aggregation,
                      java.lang.String streamId,
                      Event event)

Description copied from interface: Provider

Add a new Event in the EventStream

Specified by:

addEvent in interface Provider

Parameters:

aggregation - The parent aggregation

streamId - The EventStream identifier

event - The Event

Returns:

The updated event, after persisted.

getEvents

public java.util.stream.Stream<Event> getEvents(java.lang.String aggregation,
                                                java.lang.String streamId)

Description copied from interface: Provider

Retrieves a list of events in the EventStream

Specified by:

getEvents in interface Provider

Parameters:

aggregation - The parent aggregation

streamId - The EventStream identifier

Returns:

A List with events in the EventStream

getEvents

public java.util.stream.Stream<Event> getEvents(java.lang.String aggregation,
                                                java.lang.String streamId,
                                                int offset,
                                                int limit)

Description copied from interface: Provider

Retrieves a ranged list of events in the EventStream

Specified by:

getEvents in interface Provider

Parameters:

aggregation - The parent aggregation

streamId - The EventStream identifier

offset - The start position in the events list

limit - The desired quantity events

Returns:

A List with events in the EventStream

getAggregations

public java.util.stream.Stream<java.lang.String> getAggregations()

Description copied from interface: Provider

Retrieves the aggregation list

Specified by:

getAggregations in interface Provider

Returns:

The aggregation list

getAggregations

public java.util.stream.Stream<java.lang.String> getAggregations(int offset,
                                                                 int limit)

Description copied from interface: Provider

Retrieves a ranged aggregation list

Specified by:

getAggregations in interface Provider

Parameters:

offset - The start position in the aggregation list

limit - The desired quantity aggregations

Returns:

The aggregation list

getStreams

public java.util.stream.Stream<java.lang.String> getStreams(java.lang.String aggregation)

Description copied from interface: Provider

Retrieves the stream list

Specified by:

getStreams in interface Provider

Parameters:

aggregation - The aggregation

Returns:

The stream list

getStreams

public java.util.stream.Stream<java.lang.String> getStreams(java.lang.String aggregation,
                                                            int offset,
                                                            int limit)

Description copied from interface: Provider

Retrieves a ranged stream list

Specified by:

getStreams in interface Provider

Parameters:

aggregation - The aggregation

offset - The start position in the stream list

limit - The desired quantity streams

Returns:

The stream list