org.apache.kafka.streams.kstream.internals.graph.SourceGraphNode Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
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package org.apache.kafka.streams.kstream.internals.graph;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.kafka.common.serialization.Serde;
import org.apache.kafka.streams.kstream.internals.ConsumedInternal;
abstract public class SourceGraphNode extends GraphNode {
private final Set topicNames;
private final Pattern topicPattern;
private final ConsumedInternal consumedInternal;
public SourceGraphNode(final String nodeName,
final Collection topicNames,
final ConsumedInternal consumedInternal) {
super(nodeName);
this.topicNames = new HashSet<>(topicNames);
this.topicPattern = null;
this.consumedInternal = consumedInternal;
}
public SourceGraphNode(final String nodeName,
final Pattern topicPattern,
final ConsumedInternal consumedInternal) {
super(nodeName);
this.topicNames = null;
this.topicPattern = topicPattern;
this.consumedInternal = consumedInternal;
}
public Optional> topicNames() {
return topicNames == null ? Optional.empty() : Optional.of(Collections.unmodifiableSet(topicNames));
}
public Optional topicPattern() {
return Optional.ofNullable(topicPattern);
}
public ConsumedInternal consumedInternal() {
return consumedInternal;
}
public Serde keySerde() {
return consumedInternal.keySerde();
}
public Serde valueSerde() {
return consumedInternal.valueSerde();
}
}