/
FeatureDefinitionDeleted.java
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/
FeatureDefinitionDeleted.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.signals.events.things;
import static org.eclipse.ditto.model.base.common.ConditionChecker.checkNotNull;
import java.time.Instant;
import java.util.Objects;
import java.util.function.Predicate;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonField;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonObjectBuilder;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.base.json.JsonParsableEvent;
import org.eclipse.ditto.model.base.json.JsonSchemaVersion;
import org.eclipse.ditto.signals.base.WithFeatureId;
import org.eclipse.ditto.signals.events.base.EventJsonDeserializer;
/**
* This event is emitted after a Feature's {@link org.eclipse.ditto.model.things.FeatureDefinition} was deleted.
*/
@Immutable
@JsonParsableEvent(name = FeatureDefinitionDeleted.NAME, typePrefix = FeatureDefinitionDeleted.TYPE_PREFIX)
public final class FeatureDefinitionDeleted extends AbstractThingEvent<FeatureDefinitionDeleted>
implements ThingModifiedEvent<FeatureDefinitionDeleted>, WithFeatureId {
/**
* Name of the "Feature Definition Deleted" event.
*/
public static final String NAME = "featureDefinitionDeleted";
/**
* Type of this event.
*/
public static final String TYPE = TYPE_PREFIX + NAME;
private final String featureId;
private FeatureDefinitionDeleted(final String thingId,
final String featureId,
final long revision,
@Nullable final Instant timestamp,
final DittoHeaders dittoHeaders) {
super(TYPE, thingId, revision, timestamp, dittoHeaders);
this.featureId = checkNotNull(featureId, "Feature ID");
}
/**
* Constructs a new {@code FeatureDefinitionDeleted} object.
*
* @param thingId the ID of the Thing whose Feature's Definition was deleted.
* @param featureId the ID of the Feature whose Definition wsa deleted.
* @param revision the revision of the Thing.
* @param dittoHeaders the headers of the command which was the cause of this event.
* @return the FeatureFeatureDefinitionDeleted created.
* @throws NullPointerException if any argument is {@code null}.
*/
public static FeatureDefinitionDeleted of(final String thingId,
final String featureId,
final long revision,
final DittoHeaders dittoHeaders) {
return of(thingId, featureId, revision, null, dittoHeaders);
}
/**
* Constructs a new {@code FeatureDefinitionDeleted} object.
*
* @param thingId the ID of the Thing whose Feature's Definition was deleted.
* @param featureId the ID of the Feature whose Definition was deleted.
* @param revision the revision of the Thing.
* @param timestamp the timestamp of this event.
* @param dittoHeaders the headers of the command which was the cause of this event.
* @return the FeatureFeatureDefinitionDeleted created.
* @throws NullPointerException if any argument is {@code null}.
*/
public static FeatureDefinitionDeleted of(final String thingId,
final String featureId,
final long revision,
@Nullable final Instant timestamp,
final DittoHeaders dittoHeaders) {
return new FeatureDefinitionDeleted(thingId, featureId, revision, timestamp, dittoHeaders);
}
/**
* Creates a new {@code FeatureDefinitionDeleted} from a JSON string.
*
* @param jsonString the JSON string of which a new FeatureDefinitionDeleted instance is to be created.
* @param dittoHeaders the headers of the command which was the cause of this event.
* @return the {@code FeatureDefinitionDeleted} which was created from the given JSON string.
* @throws NullPointerException if {@code jsonString} is {@code null}.
* @throws IllegalArgumentException if {@code jsonString} is empty.
* @throws org.eclipse.ditto.json.JsonParseException if the passed in {@code jsonString} was not in the expected
* 'FeatureDefinitionDeleted' format.
*/
public static FeatureDefinitionDeleted fromJson(final String jsonString, final DittoHeaders dittoHeaders) {
return fromJson(JsonFactory.newObject(jsonString), dittoHeaders);
}
/**
* Creates a new {@code FeatureFeatureDefinitionDeleted} from a JSON object.
*
* @param jsonObject the JSON object from which a new FeatureFeatureDefinitionDeleted instance is to be created.
* @param dittoHeaders the headers of the command which was the cause of this event.
* @return the {@code FeatureFeatureDefinitionDeleted} which was created from the given JSON object.
* @throws NullPointerException if {@code jsonObject} is {@code null}.
* @throws org.eclipse.ditto.json.JsonParseException if the passed in {@code jsonObject} was not in the expected
* 'FeatureFeatureDefinitionDeleted' format.
*/
public static FeatureDefinitionDeleted fromJson(final JsonObject jsonObject, final DittoHeaders dittoHeaders) {
return new EventJsonDeserializer<FeatureDefinitionDeleted>(TYPE, jsonObject)
.deserialize((revision, timestamp) -> {
final String extractedThingId = jsonObject.getValueOrThrow(JsonFields.THING_ID);
final String extractedFeatureId = jsonObject.getValueOrThrow(JsonFields.FEATURE_ID);
return of(extractedThingId, extractedFeatureId, revision, timestamp, dittoHeaders);
});
}
@Override
public String getFeatureId() {
return featureId;
}
@Override
public JsonPointer getResourcePath() {
final String path = "/features/" + featureId + "/definition";
return JsonPointer.of(path);
}
@Override
public FeatureDefinitionDeleted setRevision(final long revision) {
return of(getThingId(), featureId, revision, getTimestamp().orElse(null), getDittoHeaders());
}
@Override
public FeatureDefinitionDeleted setDittoHeaders(final DittoHeaders dittoHeaders) {
return of(getThingId(), featureId, getRevision(), getTimestamp().orElse(null), dittoHeaders);
}
@Override
protected void appendPayloadAndBuild(final JsonObjectBuilder jsonObjectBuilder,
final JsonSchemaVersion schemaVersion, final Predicate<JsonField> thePredicate) {
final Predicate<JsonField> predicate = schemaVersion.and(thePredicate);
jsonObjectBuilder.set(JsonFields.FEATURE_ID, featureId, predicate);
}
@SuppressWarnings("squid:S109")
@Override
public int hashCode() {
return Objects.hash(featureId, super.hashCode());
}
@SuppressWarnings("squid:MethodCyclomaticComplexity")
@Override
public boolean equals(@Nullable final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final FeatureDefinitionDeleted that = (FeatureDefinitionDeleted) o;
return that.canEqual(this) && Objects.equals(featureId, that.featureId) && super.equals(that);
}
@Override
protected boolean canEqual(@Nullable final Object other) {
return (other instanceof FeatureDefinitionDeleted);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" + super.toString() + ", featureId=" + featureId + "]";
}
}