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ModifyFeatureLiveCommandImpl.java
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ModifyFeatureLiveCommandImpl.java
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/*
* Copyright (c) 2017 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* Contributors:
* Bosch Software Innovations GmbH - initial contribution
*/
package org.eclipse.ditto.signals.commands.live.modify;
import javax.annotation.Nonnull;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.things.Feature;
import org.eclipse.ditto.signals.commands.base.Command;
import org.eclipse.ditto.signals.commands.things.modify.ModifyFeature;
/**
* An immutable implementation of {@link ModifyFeatureLiveCommand}.
*/
@ParametersAreNonnullByDefault
@Immutable
final class ModifyFeatureLiveCommandImpl extends AbstractModifyLiveCommand<ModifyFeatureLiveCommand,
ModifyFeatureLiveCommandAnswerBuilder> implements ModifyFeatureLiveCommand {
private final Feature feature;
private ModifyFeatureLiveCommandImpl(final ModifyFeature command) {
super(command);
feature = command.getFeature();
}
/**
* Returns a new instance of {@code ModifyFeatureLiveCommandImpl}.
*
* @param command the command to base the result on.
* @return the instance.
* @throws NullPointerException if {@code command} is {@code null}.
* @throws ClassCastException if {@code command} is not an instance of {@link ModifyFeature}.
*/
@Nonnull
public static ModifyFeatureLiveCommandImpl of(final Command<?> command) {
return new ModifyFeatureLiveCommandImpl((ModifyFeature) command);
}
@Override
public String getFeatureId() {
return feature.getId();
}
@Nonnull
@Override
public Feature getFeature() {
return feature;
}
@Override
public Category getCategory() {
return Category.MODIFY;
}
@Override
public ModifyFeatureLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders) {
return new ModifyFeatureLiveCommandImpl(ModifyFeature.of(getThingId(), getFeature(), dittoHeaders));
}
@Override
public boolean changesAuthorization() {
return false;
}
@Nonnull
@Override
public ModifyFeatureLiveCommandAnswerBuilder answer() {
return ModifyFeatureLiveCommandAnswerBuilderImpl.newInstance(this);
}
@Nonnull
@Override
public String toString() {
return getClass().getSimpleName() + "[" + super.toString() + "]";
}
}