org.apache.dubbo.rpc.cluster.router.RouterSnapshotNode 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,
* 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.apache.dubbo.rpc.cluster.router;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.utils.CollectionUtils;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.cluster.router.state.BitList;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;
public class RouterSnapshotNode {
private final String name;
private final int beforeSize;
private int nodeOutputSize;
private int chainOutputSize;
private String routerMessage;
private final List> inputInvokers;
private List> nodeOutputInvokers;
private List> chainOutputInvokers;
private final List> nextNode = new LinkedList<>();
private RouterSnapshotNode parentNode;
public RouterSnapshotNode(String name, List> inputInvokers) {
this.name = name;
this.beforeSize = inputInvokers.size();
if (inputInvokers instanceof BitList) {
this.inputInvokers = inputInvokers;
} else {
this.inputInvokers = new ArrayList<>(5);
for (int i = 0; i < Math.min(5, beforeSize); i++) {
this.inputInvokers.add(inputInvokers.get(i));
}
}
this.nodeOutputSize = 0;
}
public String getName() {
return name;
}
public int getBeforeSize() {
return beforeSize;
}
public int getNodeOutputSize() {
return nodeOutputSize;
}
public String getRouterMessage() {
return routerMessage;
}
public void setRouterMessage(String routerMessage) {
this.routerMessage = routerMessage;
}
public List> getNodeOutputInvokers() {
return nodeOutputInvokers;
}
public void setNodeOutputInvokers(List> outputInvokers) {
this.nodeOutputInvokers = outputInvokers;
this.nodeOutputSize = outputInvokers == null ? 0 : outputInvokers.size();
}
public void setChainOutputInvokers(List> outputInvokers) {
this.chainOutputInvokers = outputInvokers;
this.chainOutputSize = outputInvokers == null ? 0 : outputInvokers.size();
}
public int getChainOutputSize() {
return chainOutputSize;
}
public List> getChainOutputInvokers() {
return chainOutputInvokers;
}
public List> getNextNode() {
return nextNode;
}
public RouterSnapshotNode getParentNode() {
return parentNode;
}
public void appendNode(RouterSnapshotNode nextNode) {
this.nextNode.add(nextNode);
nextNode.parentNode = this;
}
@Override
public String toString() {
return toString(1);
}
public String toString(int level) {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append("[ ")
.append(name)
.append(' ')
.append("(Input: ").append(beforeSize).append(") ")
.append("(Current Node Output: ").append(nodeOutputSize).append(") ")
.append("(Chain Node Output: ").append(chainOutputSize).append(')')
.append(routerMessage == null ? "" : " Router message: ")
.append(routerMessage == null ? "" : routerMessage)
.append(" ] ");
if (level == 1) {
stringBuilder.append("Input: ")
.append(CollectionUtils.isEmpty(inputInvokers) ? "Empty" :
inputInvokers.subList(0, Math.min(5, inputInvokers.size()))
.stream()
.map(Invoker::getUrl)
.map(URL::getAddress)
.collect(Collectors.joining(",")))
.append(" -> ");
stringBuilder.append("Chain Node Output: ")
.append(CollectionUtils.isEmpty(chainOutputInvokers) ? "Empty" :
chainOutputInvokers.subList(0, Math.min(5, chainOutputInvokers.size()))
.stream()
.map(Invoker::getUrl)
.map(URL::getAddress)
.collect(Collectors.joining(",")));
} else {
stringBuilder.append("Current Node Output: ")
.append(CollectionUtils.isEmpty(nodeOutputInvokers) ? "Empty" :
nodeOutputInvokers.subList(0, Math.min(5, nodeOutputInvokers.size()))
.stream()
.map(Invoker::getUrl)
.map(URL::getAddress)
.collect(Collectors.joining(",")));
}
if (nodeOutputInvokers != null && nodeOutputInvokers.size() > 5) {
stringBuilder.append("...");
}
for (RouterSnapshotNode node : nextNode) {
stringBuilder.append("\n");
for (int i = 0; i < level; i++) {
stringBuilder.append(" ");
}
stringBuilder.append(node.toString(level + 1));
}
return stringBuilder.toString();
}
}