hadoop StringConfigurationBasicValidator 源码
haddop StringConfigurationBasicValidator 代码
文件路径：/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/diagnostics/StringConfigurationBasicValidator.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.fs.azurebfs.diagnostics;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.azurebfs.contracts.diagnostics.ConfigurationValidator;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidConfigurationValueException;
/**
* String configuration value Validator.
*/
@InterfaceStability.Evolving
public class StringConfigurationBasicValidator extends ConfigurationBasicValidator<String> implements ConfigurationValidator{
public StringConfigurationBasicValidator(final String configKey, final String defaultVal, final boolean throwIfInvalid){
super(configKey, defaultVal, throwIfInvalid);
}
public String validate(final String configValue) throws InvalidConfigurationValueException {
String result = super.validate((configValue));
if (result != null) {
return result;
}
return configValue;
}
}
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