io.spine.server.entity

Class RecentHistory

java.lang.Object

io.spine.server.entity.RecentHistory

public final class RecentHistory
extends java.lang.Object

A copy of recent history of an event-sourced entity.

Any modifications to this object will not affect the real history of the entity.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	isEmpty() Returns true if there are no events in the recent history, false otherwise.
java.util.Iterator<io.spine.core.Event>	iterator() Creates a new iterator over the recent history items.
java.util.stream.Stream<io.spine.core.Event>	stream() Creates a new Stream of the recent history items.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

isEmpty

public boolean isEmpty()

Returns true if there are no events in the recent history, false otherwise.

iterator

public java.util.Iterator<io.spine.core.Event> iterator()

Creates a new iterator over the recent history items.

The iterator returns events in the reverse chronological order. Thus the most recent event will be returned first.

Returns:

an events iterator

stream

public java.util.stream.Stream<io.spine.core.Event> stream()

Creates a new Stream of the recent history items.

The produced stream is sequential and emits items in the reverse chronological order. Thus the most recent event will be returned first.

Returns:

a stream of the recent events

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object