Jan van der Lugt created HADOOP-8415:
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Summary: getDouble() and setDouble() in
org.apache.hadoop.conf.Configuration
Key: HADOOP-8415
URL: https://issues.apache.org/jira/browse/HADOOP-8415
Project: Hadoop Common
Issue Type: Improvement
Components: conf
Affects Versions: 1.0.2
Reporter: Jan van der Lugt
Priority: Minor
In the org.apache.hadoop.conf.Configuration class, methods exist to set
Integers, Longs, Booleans, Floats and Strings, but methods for Doubles are
absent. Are they not there for a reason or should they be added? In the latter
case, these are the missing functions:
/**
* Get the value of the <code>name</code> property as a <code>double</code>.
* If no such property exists, the provided default value is returned,
* or if the specified value is not a valid <code>double</code>,
* then an error is thrown.
*
* @param name property name.
* @param defaultValue default value.
* @throws NumberFormatException when the value is invalid
* @return property value as a <code>double</code>,
* or <code>defaultValue</code>.
*/
public double getDouble(String name, double defaultValue) {
String valueString = getTrimmed(name);
if (valueString == null)
return defaultValue;
return Double.parseDouble(valueString);
}
/**
* Set the value of the <code>name</code> property to a <code>double</code>.
*
* @param name property name.
* @param value property value.
*/
public void setDouble(String name, double value) {
set(name,Double.toString(value));
}
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