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StopStreaming.java
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StopStreaming.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.gateway.service.streaming.signals;
import static org.eclipse.ditto.base.model.common.ConditionChecker.checkNotNull;
import java.util.Objects;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.internal.utils.pubsub.StreamingType;
/**
* Message indicating a demand to receive entities of a specified {@link StreamingType} via a "streaming" connection.
*/
@Immutable
public final class StopStreaming implements StreamControlMessage {
private final StreamingType streamingType;
private final String connectionCorrelationId;
/**
* Constructs a new {@code StopStreaming} object.
*
* @param streamingType the type of entity to start the streaming for.
* @param connectionCorrelationId the correlation ID of the connection/session.
* @throws NullPointerException if any argument is {@code null}.
*/
public StopStreaming(final StreamingType streamingType, final CharSequence connectionCorrelationId) {
this.streamingType = checkNotNull(streamingType, "streamingType");
this.connectionCorrelationId = checkNotNull(connectionCorrelationId, "connectionCorrelationId")
.toString();
}
/**
* @return the Streaming type of what streaming to stop.
*/
public StreamingType getStreamingType() {
return streamingType;
}
public String getConnectionCorrelationId() {
return connectionCorrelationId;
}
@Override
public boolean equals(@Nullable final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final StopStreaming that = (StopStreaming) o;
return streamingType == that.streamingType &&
Objects.equals(connectionCorrelationId, that.connectionCorrelationId);
}
@Override
public int hashCode() {
return Objects.hash(streamingType, connectionCorrelationId);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" +
"streamingType=" + streamingType +
", connectionCorrelationId=" + connectionCorrelationId +
"]";
}
}