public class MetaWrapper extends NutchWritable
| Constructor and Description |
|---|
MetaWrapper() |
MetaWrapper(Metadata metadata,
Writable instance,
Configuration conf) |
MetaWrapper(Writable instance,
Configuration conf) |
| Modifier and Type | Method and Description |
|---|---|
void |
addMeta(java.lang.String name,
java.lang.String value)
Add metadata.
|
java.lang.String |
getMeta(java.lang.String name)
Get metadata.
|
Metadata |
getMetadata()
Get all metadata.
|
java.lang.String[] |
getMetaValues(java.lang.String name)
Get multiple metadata.
|
void |
readFields(java.io.DataInput in) |
void |
setMeta(java.lang.String name,
java.lang.String value)
Set metadata.
|
void |
write(java.io.DataOutput out) |
getTypesgetConf, setConfget, set, toStringpublic MetaWrapper()
public MetaWrapper(Writable instance, Configuration conf)
public MetaWrapper(Metadata metadata, Writable instance, Configuration conf)
public Metadata getMetadata()
public void addMeta(java.lang.String name,
java.lang.String value)
Metadata.add(String, String) for more
information.name - metadata namevalue - metadata valuepublic void setMeta(java.lang.String name,
java.lang.String value)
Metadata.set(String, String) for more
information.name - value - public java.lang.String getMeta(java.lang.String name)
Metadata.get(String) for more information.name - public java.lang.String[] getMetaValues(java.lang.String name)
Metadata.getValues(String) for more
information.name - public void readFields(java.io.DataInput in)
throws java.io.IOException
readFields in interface WritablereadFields in class GenericWritableConfigurablejava.io.IOExceptionpublic void write(java.io.DataOutput out)
throws java.io.IOException
write in interface Writablewrite in class GenericWritablejava.io.IOExceptionCopyright © 2019 The Apache Software Foundation