hadoop DryRunResultHolder 源码
haddop DryRunResultHolder 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/converter/DryRunResultHolder.java
/**
* 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.hadoop.yarn.server.resourcemanager.scheduler.fair.converter;
import java.util.HashSet;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.thirdparty.com.google.common.collect.ImmutableSet;
public class DryRunResultHolder {
private static final Logger LOG =
LoggerFactory.getLogger(DryRunResultHolder.class);
private Set<String> warnings;
private Set<String> errors;
private boolean verificationFailed;
public DryRunResultHolder() {
this.warnings = new HashSet<>();
this.errors = new HashSet<>();
}
public void addDryRunWarning(String message) {
warnings.add(message);
}
public void addDryRunError(String message) {
errors.add(message);
}
public void setVerificationFailed() {
verificationFailed = true;
}
public Set<String> getWarnings() {
return ImmutableSet.copyOf(warnings);
}
public Set<String> getErrors() {
return ImmutableSet.copyOf(errors);
}
public void printDryRunResults() {
LOG.info("");
LOG.info("Results of dry run:");
LOG.info("");
int noOfErrors = errors.size();
int noOfWarnings = warnings.size();
LOG.info("Number of errors: {}", noOfErrors);
LOG.info("Number of warnings: {}", noOfWarnings);
LOG.info("Verification result: {}",
verificationFailed ? "FAILED" : "PASSED");
if (noOfErrors > 0) {
LOG.info("");
LOG.info("List of errors:");
errors.forEach(s -> LOG.info(s));
}
if (noOfWarnings > 0) {
LOG.info("");
LOG.info("List of warnings:");
warnings.forEach(s -> LOG.info(s));
}
}
}
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