| Package | Description | 
|---|---|
| org.apache.giraph.io | Input/Output related things. | 
| org.apache.giraph.io.formats | Package of reusable library Giraph objects. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | VertexValueReader<I extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>Vertex reader for  VertexValueInputFormat. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | IntIntTextVertexValueInputFormat.IntIntTextVertexValueReaderVertexValueReaderassociated withIntIntTextVertexValueInputFormat. | 
| protected class  | TextVertexValueInputFormat.TextVertexValueReader | 
| protected class  | TextVertexValueInputFormat.TextVertexValueReaderFromEachLineAbstract class to be implemented by the user to read a vertex value from
 each text line. | 
| protected class  | TextVertexValueInputFormat.TextVertexValueReaderFromEachLineProcessed<T>Abstract class to be implemented by the user to read a vertex value from
 each text line after preprocessing it. | 
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