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RetrieveResolvedHonoConnection.java
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RetrieveResolvedHonoConnection.java
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/*
* Copyright (c) 2022 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.connectivity.model.signals.commands.query;
import static org.eclipse.ditto.base.model.common.ConditionChecker.checkNotNull;
import java.util.Objects;
import java.util.function.Predicate;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.json.JsonParsableCommand;
import org.eclipse.ditto.base.model.json.JsonSchemaVersion;
import org.eclipse.ditto.base.model.signals.SignalWithEntityId;
import org.eclipse.ditto.base.model.signals.commands.AbstractCommand;
import org.eclipse.ditto.base.model.signals.commands.CommandJsonDeserializer;
import org.eclipse.ditto.connectivity.model.ConnectionId;
import org.eclipse.ditto.connectivity.model.WithConnectionId;
import org.eclipse.ditto.connectivity.model.signals.commands.ConnectivityCommand;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonField;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonObjectBuilder;
/**
* Command which retrieves a {@link org.eclipse.ditto.connectivity.model.Connection} of type 'hono'
* after resolving its aliases and with its additional properties like header mappings and specific config.
*
* @since 3.1.0
*/
@Immutable
@JsonParsableCommand(typePrefix = ConnectivityCommand.TYPE_PREFIX, name = RetrieveResolvedHonoConnection.NAME)
public final class RetrieveResolvedHonoConnection extends AbstractCommand<RetrieveResolvedHonoConnection>
implements ConnectivityQueryCommand<RetrieveResolvedHonoConnection>, WithConnectionId, SignalWithEntityId<RetrieveResolvedHonoConnection> {
/**
* Name of this command.
*/
public static final String NAME = "retrieveResolvedHonoConnection";
/**
* Type of this command.
*/
public static final String TYPE = ConnectivityCommand.TYPE_PREFIX + NAME;
private final ConnectionId connectionId;
private RetrieveResolvedHonoConnection(final ConnectionId connectionId, final DittoHeaders dittoHeaders) {
super(TYPE, dittoHeaders);
this.connectionId = connectionId;
}
/**
* Returns a new instance of {@code RetrieveHonoConnection}.
*
* @param connectionId the identifier of the connection to be retrieved.
* @param dittoHeaders the headers of the request.
* @return a new RetrieveHonoConnection command.
* @throws NullPointerException if any argument is {@code null}.
*/
public static RetrieveResolvedHonoConnection of(final ConnectionId connectionId, final DittoHeaders dittoHeaders) {
checkNotNull(connectionId, "connectionId");
return new RetrieveResolvedHonoConnection(connectionId, dittoHeaders);
}
/**
* Creates a new {@code RetrieveHonoConnection} from a JSON string.
*
* @param jsonString the JSON string of which the command is to be retrieved.
* @param dittoHeaders the headers of the command.
* @return the command.
* @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
* @throws org.eclipse.ditto.json.JsonMissingFieldException if connectionId is missing in the passed in {@code jsonString}
*/
public static RetrieveResolvedHonoConnection fromJson(final String jsonString, final DittoHeaders dittoHeaders) {
return fromJson(JsonFactory.newObject(jsonString), dittoHeaders);
}
/**
* Creates a new {@code RetrieveHonoConnection} from a JSON object.
*
* @param jsonObject the JSON object of which the command is to be created.
* @param dittoHeaders the headers of the command.
* @return the command.
* @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
* format.
*/
public static RetrieveResolvedHonoConnection fromJson(final JsonObject jsonObject, final DittoHeaders dittoHeaders) {
return new CommandJsonDeserializer<RetrieveResolvedHonoConnection>(TYPE, jsonObject).deserialize(() -> {
final String readConnectionId = jsonObject.getValueOrThrow(ConnectivityCommand.JsonFields.JSON_CONNECTION_ID);
final ConnectionId connectionId = ConnectionId.of(readConnectionId);
return of(connectionId, dittoHeaders);
});
}
@Override
protected void appendPayload(final JsonObjectBuilder jsonObjectBuilder, final JsonSchemaVersion schemaVersion,
final Predicate<JsonField> thePredicate) {
final Predicate<JsonField> predicate = schemaVersion.and(thePredicate);
jsonObjectBuilder.set(ConnectivityCommand.JsonFields.JSON_CONNECTION_ID, String.valueOf(connectionId),
predicate);
}
@Override
public ConnectionId getEntityId() {
return connectionId;
}
@Override
public Category getCategory() {
return Category.QUERY;
}
@Override
public RetrieveResolvedHonoConnection setDittoHeaders(final DittoHeaders dittoHeaders) {
return of(connectionId, dittoHeaders);
}
@Override
protected boolean canEqual(@Nullable final Object other) {
return other instanceof RetrieveResolvedHonoConnection;
}
@Override
public boolean equals(@Nullable final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
final RetrieveResolvedHonoConnection that = (RetrieveResolvedHonoConnection) o;
return Objects.equals(connectionId, that.connectionId);
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), connectionId);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" +
super.toString() +
", connectionId=" + connectionId +
"]";
}
}