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java.lang.Objectorg.apache.hadoop.lib.util.ConfigurationUtils
@InterfaceAudience.Private public abstract class ConfigurationUtils
Configuration utilities.
| Constructor Summary | |
|---|---|
ConfigurationUtils()
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| Method Summary | |
|---|---|
static void |
copy(org.apache.hadoop.conf.Configuration source,
org.apache.hadoop.conf.Configuration target)
Copy configuration key/value pairs from one configuration to another if a property exists in the target, it gets replaced. |
static void |
injectDefaults(org.apache.hadoop.conf.Configuration source,
org.apache.hadoop.conf.Configuration target)
Injects configuration key/value pairs from one configuration to another if the key does not exist in the target configuration. |
static void |
load(org.apache.hadoop.conf.Configuration conf,
InputStream is)
Create a configuration from an InputStream. |
static org.apache.hadoop.conf.Configuration |
resolve(org.apache.hadoop.conf.Configuration conf)
Returns a new ConfigurationUtils instance with all inline values resolved. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ConfigurationUtils()
| Method Detail |
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public static void copy(org.apache.hadoop.conf.Configuration source,
org.apache.hadoop.conf.Configuration target)
source - source configuration.target - target configuration.
public static void injectDefaults(org.apache.hadoop.conf.Configuration source,
org.apache.hadoop.conf.Configuration target)
source - source configuration.target - target configuration.public static org.apache.hadoop.conf.Configuration resolve(org.apache.hadoop.conf.Configuration conf)
public static void load(org.apache.hadoop.conf.Configuration conf,
InputStream is)
throws IOException
Configuration.loadResource().
is - inputstream to read the configuration from.
IOException - thrown if the configuration could not be read.
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