Package | Description |
---|---|
org.apache.hadoop.io |
Generic i/o code for use when reading and writing data to the network,
to databases, and to files.
|
org.apache.hadoop.mapred | |
org.apache.hadoop.mapred.lib | |
org.apache.hadoop.mapred.lib.aggregate | |
org.apache.hadoop.mapreduce | |
org.apache.hadoop.mapreduce.lib.aggregate | |
org.apache.hadoop.mapreduce.lib.fieldsel | |
org.apache.hadoop.mapreduce.lib.input | |
org.apache.hadoop.mapreduce.lib.map | |
org.apache.hadoop.mapreduce.security | |
org.apache.hadoop.yarn.client | |
org.apache.hadoop.yarn.security.client | |
org.hadoop.yarn.client |
Modifier and Type | Method and Description |
---|---|
void |
Text.set(Text other)
copy a text.
|
Constructor and Description |
---|
Text(Text utf8)
Construct from another text.
|
Modifier and Type | Method and Description |
---|---|
Text |
KeyValueLineRecordReader.createKey() |
Text |
SequenceFileAsTextRecordReader.createKey() |
Text |
KeyValueLineRecordReader.createValue() |
Text |
SequenceFileAsTextRecordReader.createValue() |
Modifier and Type | Method and Description |
---|---|
RecordReader<LongWritable,Text> |
TextInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
RecordReader<Text,Text> |
SequenceFileAsTextInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<Text,Text> |
SequenceFileAsTextInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<Text,Text> |
KeyValueTextInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
RecordReader<Text,Text> |
KeyValueTextInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
Modifier and Type | Method and Description |
---|---|
org.apache.hadoop.security.token.Token<org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier> |
JobClient.getDelegationToken(Text renewer)
Get a delegation token for the user from the JobTracker.
|
boolean |
KeyValueLineRecordReader.next(Text key,
Text value)
Read key/value pair in a line.
|
boolean |
SequenceFileAsTextRecordReader.next(Text key,
Text value)
Read key/value pair in a line.
|
Modifier and Type | Method and Description |
---|---|
RecordReader<LongWritable,Text> |
NLineInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
Modifier and Type | Method and Description |
---|---|
void |
RegexMapper.map(K key,
Text value,
OutputCollector<Text,LongWritable> output,
Reporter reporter) |
void |
TokenCountMapper.map(K key,
Text value,
OutputCollector<Text,LongWritable> output,
Reporter reporter) |
void |
FieldSelectionMapReduce.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
Modifier and Type | Method and Description |
---|---|
void |
RegexMapper.map(K key,
Text value,
OutputCollector<Text,LongWritable> output,
Reporter reporter) |
void |
TokenCountMapper.map(K key,
Text value,
OutputCollector<Text,LongWritable> output,
Reporter reporter) |
void |
FieldSelectionMapReduce.map(K key,
V val,
OutputCollector<Text,Text> output,
Reporter reporter)
The identify function.
|
void |
FieldSelectionMapReduce.map(K key,
V val,
OutputCollector<Text,Text> output,
Reporter reporter)
The identify function.
|
void |
FieldSelectionMapReduce.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
void |
FieldSelectionMapReduce.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
void |
FieldSelectionMapReduce.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
Modifier and Type | Field and Description |
---|---|
static Text |
ValueAggregatorDescriptor.ONE |
Modifier and Type | Method and Description |
---|---|
static Map.Entry<Text,Text> |
ValueAggregatorBaseDescriptor.generateEntry(String type,
String id,
Text val) |
static Map.Entry<Text,Text> |
ValueAggregatorBaseDescriptor.generateEntry(String type,
String id,
Text val) |
Modifier and Type | Method and Description |
---|---|
static Map.Entry<Text,Text> |
ValueAggregatorBaseDescriptor.generateEntry(String type,
String id,
Text val) |
void |
ValueAggregatorReducer.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
void |
ValueAggregatorMapper.reduce(Text arg0,
Iterator<Text> arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorCombiner.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter)
Combines values for a given key.
|
Modifier and Type | Method and Description |
---|---|
void |
ValueAggregatorReducer.map(K1 arg0,
V1 arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorReducer.map(K1 arg0,
V1 arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorMapper.map(K1 key,
V1 value,
OutputCollector<Text,Text> output,
Reporter reporter)
the map function.
|
void |
ValueAggregatorMapper.map(K1 key,
V1 value,
OutputCollector<Text,Text> output,
Reporter reporter)
the map function.
|
void |
ValueAggregatorCombiner.map(K1 arg0,
V1 arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorCombiner.map(K1 arg0,
V1 arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorReducer.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
void |
ValueAggregatorReducer.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
void |
ValueAggregatorReducer.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter) |
void |
ValueAggregatorMapper.reduce(Text arg0,
Iterator<Text> arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorMapper.reduce(Text arg0,
Iterator<Text> arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorMapper.reduce(Text arg0,
Iterator<Text> arg1,
OutputCollector<Text,Text> arg2,
Reporter arg3)
Do nothing.
|
void |
ValueAggregatorCombiner.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter)
Combines values for a given key.
|
void |
ValueAggregatorCombiner.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter)
Combines values for a given key.
|
void |
ValueAggregatorCombiner.reduce(Text key,
Iterator<Text> values,
OutputCollector<Text,Text> output,
Reporter reporter)
Combines values for a given key.
|
Modifier and Type | Method and Description |
---|---|
org.apache.hadoop.security.token.Token<org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier> |
Cluster.getDelegationToken(Text renewer)
Get a delegation token for the user from the JobTracker.
|
Modifier and Type | Field and Description |
---|---|
static Text |
ValueAggregatorDescriptor.ONE |
Modifier and Type | Method and Description |
---|---|
static Map.Entry<Text,Text> |
ValueAggregatorBaseDescriptor.generateEntry(String type,
String id,
Text val) |
static Map.Entry<Text,Text> |
ValueAggregatorBaseDescriptor.generateEntry(String type,
String id,
Text val) |
ArrayList<Map.Entry<Text,Text>> |
ValueAggregatorDescriptor.generateKeyValPairs(Object key,
Object val)
Generate a list of aggregation-id/value pairs for
the given key/value pair.
|
ArrayList<Map.Entry<Text,Text>> |
ValueAggregatorDescriptor.generateKeyValPairs(Object key,
Object val)
Generate a list of aggregation-id/value pairs for
the given key/value pair.
|
ArrayList<Map.Entry<Text,Text>> |
ValueAggregatorBaseDescriptor.generateKeyValPairs(Object key,
Object val)
Generate 1 or 2 aggregation-id/value pairs for the given key/value pair.
|
ArrayList<Map.Entry<Text,Text>> |
ValueAggregatorBaseDescriptor.generateKeyValPairs(Object key,
Object val)
Generate 1 or 2 aggregation-id/value pairs for the given key/value pair.
|
ArrayList<Map.Entry<Text,Text>> |
UserDefinedValueAggregatorDescriptor.generateKeyValPairs(Object key,
Object val)
Generate a list of aggregation-id/value pairs for the given
key/value pairs by delegating the invocation to the real object.
|
ArrayList<Map.Entry<Text,Text>> |
UserDefinedValueAggregatorDescriptor.generateKeyValPairs(Object key,
Object val)
Generate a list of aggregation-id/value pairs for the given
key/value pairs by delegating the invocation to the real object.
|
Modifier and Type | Method and Description |
---|---|
static Map.Entry<Text,Text> |
ValueAggregatorBaseDescriptor.generateEntry(String type,
String id,
Text val) |
void |
ValueAggregatorReducer.reduce(Text key,
Iterable<Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context) |
void |
ValueAggregatorCombiner.reduce(Text key,
Iterable<Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
Combines values for a given key.
|
Modifier and Type | Method and Description |
---|---|
void |
ValueAggregatorReducer.reduce(Text key,
Iterable<Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context) |
void |
ValueAggregatorCombiner.reduce(Text key,
Iterable<Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
Combines values for a given key.
|
Modifier and Type | Field and Description |
---|---|
static Text |
FieldSelectionHelper.emptyText |
Modifier and Type | Method and Description |
---|---|
Text |
FieldSelectionHelper.getKey() |
Text |
FieldSelectionHelper.getValue() |
Modifier and Type | Method and Description |
---|---|
void |
FieldSelectionReducer.reduce(Text key,
Iterable<Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context) |
Modifier and Type | Method and Description |
---|---|
void |
FieldSelectionReducer.reduce(Text key,
Iterable<Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context) |
Constructor and Description |
---|
FieldSelectionHelper(Text key,
Text val) |
Modifier and Type | Method and Description |
---|---|
Text |
KeyValueLineRecordReader.getCurrentKey() |
Text |
SequenceFileAsTextRecordReader.getCurrentKey() |
Text |
KeyValueLineRecordReader.getCurrentValue() |
Text |
SequenceFileAsTextRecordReader.getCurrentValue() |
Modifier and Type | Method and Description |
---|---|
RecordReader<LongWritable,Text> |
TextInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context) |
RecordReader<LongWritable,Text> |
NLineInputFormat.createRecordReader(InputSplit genericSplit,
TaskAttemptContext context) |
RecordReader<Text,Text> |
SequenceFileAsTextInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context) |
RecordReader<Text,Text> |
SequenceFileAsTextInputFormat.createRecordReader(InputSplit split,
TaskAttemptContext context) |
RecordReader<Text,Text> |
KeyValueTextInputFormat.createRecordReader(InputSplit genericSplit,
TaskAttemptContext context) |
RecordReader<Text,Text> |
KeyValueTextInputFormat.createRecordReader(InputSplit genericSplit,
TaskAttemptContext context) |
Modifier and Type | Method and Description |
---|---|
static void |
KeyValueLineRecordReader.setKeyValue(Text key,
Text value,
byte[] line,
int lineLen,
int pos) |
Modifier and Type | Method and Description |
---|---|
void |
RegexMapper.map(K key,
Text value,
org.apache.hadoop.mapreduce.Mapper.Context context) |
void |
TokenCounterMapper.map(Object key,
Text value,
org.apache.hadoop.mapreduce.Mapper.Context context) |
Modifier and Type | Method and Description |
---|---|
static byte[] |
TokenCache.getSecretKey(org.apache.hadoop.security.Credentials credentials,
Text alias)
auxiliary method to get user's secret keys..
|
Modifier and Type | Method and Description |
---|---|
DelegationToken |
YarnClientImpl.getRMDelegationToken(Text renewer) |
DelegationToken |
YarnClient.getRMDelegationToken(Text renewer)
Get a delegation token so as to be able to talk to YARN using those tokens.
|
Modifier and Type | Field and Description |
---|---|
static Text |
RMDelegationTokenIdentifier.KIND_NAME |
Modifier and Type | Method and Description |
---|---|
Text |
RMDelegationTokenIdentifier.getKind() |
Constructor and Description |
---|
RMDelegationTokenIdentifier(Text owner,
Text renewer,
Text realUser)
Create a new delegation token identifier
|
Modifier and Type | Method and Description |
---|---|
DelegationToken |
YarnClientImpl.getRMDelegationToken(Text renewer) |
DelegationToken |
YarnClient.getRMDelegationToken(Text renewer)
Get a delegation token so as to be able to talk to YARN using those tokens.
|
Copyright © 2014 Apache Software Foundation. All Rights Reserved.