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HADOOP-11223. Create UnmodifiableConfiguration #473

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milleruntime wants to merge 1 commit into from
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HADOOP-11223. Create UnmodifiableConfiguration #473

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14 changes: 14 additions & 0 deletions hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -902,6 +902,20 @@ public static void setRestrictSystemPropertiesDefault(boolean val) {
restrictSystemPropsDefault = val;
}

/**
* Creates an Unmodifiable view of Configuration. Any attempted changes to
* this object directly will throw an UnsupportedOperationException. The
* object returned does not prevent changes to the the configuration through
* use of static methods and means external to the object returned.
*
* @param other The configuration to wrap
* @return an Unmodifiable view of Configuration
*/
public static Configuration unmodifiableConfiguration(Configuration other) {
Configuration unmodifiable = new UnmodifiableConfiguration(other);
return unmodifiable;
}

public void setRestrictSystemProperties(boolean val) {
this.restrictSystemProps = val;
}
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