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org.apache.gora.avro.query
Class DataFileAvroResult<K,T extends Persistent>

java.lang.Object
  org.apache.gora.query.impl.ResultBase<K,T>
      org.apache.gora.avro.query.DataFileAvroResult<K,T>

All Implemented Interfaces:

Closeable, Result<K,T>

public class DataFileAvroResult<K,T extends Persistent>
extends ResultBase<K,T>

An Avro DataFileReader backed Result.

Field Summary

Fields inherited from class org.apache.gora.query.impl.ResultBase

dataStore, key, limit, offset, persistent, query

Constructor Summary

DataFileAvroResult(DataStore<K,T> dataStore, Query<K,T> query, org.apache.avro.file.DataFileReader<T> reader)

DataFileAvroResult(DataStore<K,T> dataStore, Query<K,T> query, org.apache.avro.file.DataFileReader<T> reader, org.apache.avro.file.SeekableInput in, long start, long length)

Method Summary

void	close()
float	getProgress() Returns how far along the result has iterated, a value between 0 and 1.
boolean	nextInner() ResultBase.next() calls this function to read the actual results.

Methods inherited from class org.apache.gora.query.impl.ResultBase

clear, get, getDataStore, getKey, getKeyClass, getOffset, getOrCreatePersistent, getPersistentClass, getQuery, isLimitReached, next

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataFileAvroResult

public DataFileAvroResult(DataStore<K,T> dataStore,
                          Query<K,T> query,
                          org.apache.avro.file.DataFileReader<T> reader)
                   throws IOException

Throws:

IOException

DataFileAvroResult

public DataFileAvroResult(DataStore<K,T> dataStore,
                          Query<K,T> query,
                          org.apache.avro.file.DataFileReader<T> reader,
                          org.apache.avro.file.SeekableInput in,
                          long start,
                          long length)
                   throws IOException

Throws:

IOException

Method Detail

close

public void close()
           throws IOException

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException

Description copied from interface: Result

Returns how far along the result has iterated, a value between 0 and 1.

Throws:

IOException

nextInner

public boolean nextInner()
                  throws IOException

Description copied from class: ResultBase

ResultBase.next() calls this function to read the actual results.

Specified by:

nextInner in class ResultBase<K,T extends Persistent>

Throws:

IOException