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java.lang.Objectorg.apache.hadoop.streaming.io.IdentifierResolver
public class IdentifierResolver
This class is used to resolve a string identifier into the required IO classes. By extending this class and pointing the property stream.io.identifier.resolver.class to this extension, additional IO classes can be added by external code.
| Field Summary | |
|---|---|
static String |
RAW_BYTES_ID
|
static String |
TEXT_ID
|
static String |
TYPED_BYTES_ID
|
| Constructor Summary | |
|---|---|
IdentifierResolver()
|
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| Method Summary | |
|---|---|
Class<? extends InputWriter> |
getInputWriterClass()
Returns the resolved InputWriter class. |
Class |
getOutputKeyClass()
Returns the resolved output key class. |
Class<? extends OutputReader> |
getOutputReaderClass()
Returns the resolved OutputReader class. |
Class |
getOutputValueClass()
Returns the resolved output value class. |
void |
resolve(String identifier)
Resolves a given identifier. |
protected void |
setInputWriterClass(Class<? extends InputWriter> inputWriterClass)
Sets the InputWriter class. |
protected void |
setOutputKeyClass(Class outputKeyClass)
Sets the output key class class. |
protected void |
setOutputReaderClass(Class<? extends OutputReader> outputReaderClass)
Sets the OutputReader class. |
protected void |
setOutputValueClass(Class outputValueClass)
Sets the output value class. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final String TEXT_ID
public static final String RAW_BYTES_ID
public static final String TYPED_BYTES_ID
| Constructor Detail |
|---|
public IdentifierResolver()
| Method Detail |
|---|
public void resolve(String identifier)
public Class<? extends InputWriter> getInputWriterClass()
InputWriter class.
public Class<? extends OutputReader> getOutputReaderClass()
OutputReader class.
public Class getOutputKeyClass()
public Class getOutputValueClass()
protected void setInputWriterClass(Class<? extends InputWriter> inputWriterClass)
InputWriter class.
protected void setOutputReaderClass(Class<? extends OutputReader> outputReaderClass)
OutputReader class.
protected void setOutputKeyClass(Class outputKeyClass)
protected void setOutputValueClass(Class outputValueClass)
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