org.springframework.integration.graph.MessageSourceNode Maven / Gradle / Ivy
/*
* Copyright 2016-2019 the original author or authors.
*
* Licensed 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
*
* https://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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.graph;
import java.util.function.Supplier;
import org.springframework.integration.core.MessageSource;
import org.springframework.lang.Nullable;
/**
* Represents a message source.
*
* @author Gary Russell
* @author Artem Bilan
*
* @since 4.3
*
*/
@SuppressWarnings("deprecation")
public class MessageSourceNode extends ErrorCapableEndpointNode implements ReceiveCountersAware {
private Supplier receiveCounters;
public MessageSourceNode(int nodeId, String name, MessageSource messageSource, String output, String errors) {
super(nodeId, name, messageSource, output, errors,
messageSource instanceof org.springframework.integration.support.management.MessageSourceMetrics
? new Stats(
(org.springframework.integration.support.management.MessageSourceMetrics) messageSource)
: new IntegrationNode.Stats());
}
@Nullable
public ReceiveCounters getReceiveCounters() {
return this.receiveCounters != null ? this.receiveCounters.get() : null;
}
@Override
public void receiveCounters(Supplier counters) {
this.receiveCounters = counters;
}
public static final class Stats extends IntegrationNode.Stats {
private final org.springframework.integration.support.management.MessageSourceMetrics source;
Stats(org.springframework.integration.support.management.MessageSourceMetrics source) {
this.source = source;
}
@Override
protected boolean isAvailable() {
return this.source.isCountsEnabled();
}
public long getMessageCount() {
return this.source.getMessageCountLong();
}
}
}