io.fluxcapacitor.javaclient.modeling.AggregateId Maven / Gradle / Ivy

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Default Java client library for interfacing with Flux Capacitor.

There is a newer version: 0.1015.0

/*
 * Copyright (c) 2016-2018 Flux Capacitor.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.fluxcapacitor.javaclient.modeling;

import io.fluxcapacitor.javaclient.tracking.handling.HandleEvent;
import io.fluxcapacitor.javaclient.tracking.handling.HandleNotification;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Annotation to be placed on String parameters of event handler methods (methods annotated with {@link HandleEvent} or
 * {@link HandleNotification}). If this annotation is present the parameter value will be the id of the aggregate to
 * which this event was applied. If the event has not been applied to an aggregate the parameter value will be {@code
 * null}.
 */
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
public @interface AggregateId {
}