public class CqlPagingRecordReader
extends org.apache.hadoop.mapreduce.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
implements org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
Modifier and Type | Field and Description |
---|---|
static int |
DEFAULT_CQL_PAGE_LIMIT |
Constructor and Description |
---|
CqlPagingRecordReader() |
Modifier and Type | Method and Description |
---|---|
void |
close() |
java.util.Map<java.lang.String,java.nio.ByteBuffer> |
createKey() |
java.util.Map<java.lang.String,java.nio.ByteBuffer> |
createValue() |
java.util.Map<java.lang.String,java.nio.ByteBuffer> |
getCurrentKey() |
java.util.Map<java.lang.String,java.nio.ByteBuffer> |
getCurrentValue() |
long |
getPos() |
float |
getProgress() |
void |
initialize(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context) |
boolean |
next(java.util.Map<java.lang.String,java.nio.ByteBuffer> keys,
java.util.Map<java.lang.String,java.nio.ByteBuffer> value) |
boolean |
nextKeyValue() |
public static final int DEFAULT_CQL_PAGE_LIMIT
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.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
java.io.IOException
public void close()
close
in interface java.io.Closeable
close
in interface java.lang.AutoCloseable
close
in interface org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
close
in class org.apache.hadoop.mapreduce.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
public java.util.Map<java.lang.String,java.nio.ByteBuffer> getCurrentKey()
getCurrentKey
in class org.apache.hadoop.mapreduce.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
public java.util.Map<java.lang.String,java.nio.ByteBuffer> getCurrentValue()
getCurrentValue
in class org.apache.hadoop.mapreduce.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
public float getProgress()
getProgress
in interface org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
getProgress
in class org.apache.hadoop.mapreduce.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
public boolean nextKeyValue() throws java.io.IOException
nextKeyValue
in class org.apache.hadoop.mapreduce.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
java.io.IOException
public boolean next(java.util.Map<java.lang.String,java.nio.ByteBuffer> keys, java.util.Map<java.lang.String,java.nio.ByteBuffer> value) throws java.io.IOException
next
in interface org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
java.io.IOException
public long getPos() throws java.io.IOException
getPos
in interface org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
java.io.IOException
public java.util.Map<java.lang.String,java.nio.ByteBuffer> createKey()
createKey
in interface org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
public java.util.Map<java.lang.String,java.nio.ByteBuffer> createValue()
createValue
in interface org.apache.hadoop.mapred.RecordReader<java.util.Map<java.lang.String,java.nio.ByteBuffer>,java.util.Map<java.lang.String,java.nio.ByteBuffer>>
Copyright © 2014 The Apache Software Foundation