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

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Default Java client library for interfacing with Flux Capacitor.

There is a newer version: 0.1072.0

/*
 * Copyright (c) Flux Capacitor IP B.V. or its affiliates. All Rights Reserved.
 *
 * 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.common.Message;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import lombok.Value;

import java.util.Collection;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;

import static java.util.Optional.ofNullable;

@Value
@ToString(callSuper = true)
public class ModifiableEntity extends DelegatingEntity {
    public ModifiableEntity(Entity delegate, ModifiableAggregateRoot root) {
        super(delegate);
        this.root = root;
    }

    @ToString.Exclude
    @EqualsAndHashCode.Exclude
    ModifiableAggregateRoot root;

    @Override
    public  Entity assertLegal(Object command) throws E {
        root.assertLegal(command);
        return this;
    }

    @SuppressWarnings({"unchecked", "rawtypes"})
    @Override
    public Entity update(UnaryOperator function) {
        return (Entity) ((Entity) root).update(
                r -> delegate.update(function).root().get()).getEntity(id()).orElse(null);
    }

    @SuppressWarnings("unchecked")
    @Override
    public Entity apply(Message eventMessage) {
        return (Entity) root.apply(eventMessage).getEntity(id()).orElse(null);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Entity commit() {
        return (Entity) root.commit().getEntity(id()).orElse(null);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Entity assertAndApply(Object payloadOrMessage) {
        return (Entity) root.assertAndApply(payloadOrMessage).getEntity(id()).orElse(null);
    }

    @Override
    public Collection> entities() {
        return super.entities().stream().map(e -> new ModifiableEntity<>(e, root)).collect(Collectors.toList());
    }

    @Override
    public Entity parent() {
        return ofNullable(super.parent()).map(entity -> new ModifiableEntity<>(entity, root)).orElse(null);
    }

    @Override
    public Entity previous() {
        return ofNullable(super.previous()).map(e -> new ModifiableEntity<>(e, root)).orElse(null);
    }
}