public class ColumnFamilyRecordReader extends org.apache.hadoop.mapreduce.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>> implements org.apache.hadoop.mapred.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>
| Modifier and Type | Field and Description |
|---|---|
static int |
CASSANDRA_HADOOP_MAX_KEY_SIZE_DEFAULT |
| Constructor and Description |
|---|
ColumnFamilyRecordReader() |
ColumnFamilyRecordReader(int keyBufferSize) |
| Modifier and Type | Method and Description |
|---|---|
void |
close() |
java.nio.ByteBuffer |
createKey() |
java.util.SortedMap<java.nio.ByteBuffer,Column> |
createValue() |
java.nio.ByteBuffer |
getCurrentKey() |
java.util.SortedMap<java.nio.ByteBuffer,Column> |
getCurrentValue() |
long |
getPos() |
float |
getProgress() |
void |
initialize(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context) |
boolean |
next(java.nio.ByteBuffer key,
java.util.SortedMap<java.nio.ByteBuffer,Column> value) |
boolean |
nextKeyValue() |
public static final int CASSANDRA_HADOOP_MAX_KEY_SIZE_DEFAULT
public ColumnFamilyRecordReader()
public ColumnFamilyRecordReader(int keyBufferSize)
public void close()
close in interface java.io.Closeableclose in interface java.lang.AutoCloseableclose in interface org.apache.hadoop.mapred.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>close in class org.apache.hadoop.mapreduce.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>public java.nio.ByteBuffer getCurrentKey()
getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>public java.util.SortedMap<java.nio.ByteBuffer,Column> getCurrentValue()
getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>public float getProgress()
public void initialize(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
throws java.io.IOException
initialize in class org.apache.hadoop.mapreduce.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>java.io.IOExceptionpublic boolean nextKeyValue()
throws java.io.IOException
nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>java.io.IOExceptionpublic boolean next(java.nio.ByteBuffer key,
java.util.SortedMap<java.nio.ByteBuffer,Column> value)
throws java.io.IOException
next in interface org.apache.hadoop.mapred.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>java.io.IOExceptionpublic java.nio.ByteBuffer createKey()
createKey in interface org.apache.hadoop.mapred.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>public java.util.SortedMap<java.nio.ByteBuffer,Column> createValue()
createValue in interface org.apache.hadoop.mapred.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>public long getPos()
throws java.io.IOException
getPos in interface org.apache.hadoop.mapred.RecordReader<java.nio.ByteBuffer,java.util.SortedMap<java.nio.ByteBuffer,Column>>java.io.IOExceptionCopyright © 2015 The Apache Software Foundation