Uses of Class
org.apache.flink.api.java.tuple.Tuple2

Packages that use Tuple2

Package	Description
org.apache.flink.api.java
org.apache.flink.api.java.hadoop.mapred
org.apache.flink.api.java.hadoop.mapreduce
org.apache.flink.api.java.io
org.apache.flink.api.java.operators
org.apache.flink.api.java.operators.translation
org.apache.flink.api.java.tuple
org.apache.flink.api.java.tuple.builder
org.apache.flink.api.java.utils

Uses of Tuple2 in org.apache.flink.api.java

Methods in org.apache.flink.api.java that return types with arguments of type Tuple2

Modifier and Type	Method and Description
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.createHadoopInput(org.apache.hadoop.mapreduce.InputFormat<K,V> mapreduceInputFormat, Class<K> key, Class<V> value, org.apache.hadoop.mapreduce.Job job) Creates a DataSet from the given InputFormat.
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.createHadoopInput(org.apache.hadoop.mapred.InputFormat<K,V> mapredInputFormat, Class<K> key, Class<V> value, org.apache.hadoop.mapred.JobConf job) Creates a DataSet from the given InputFormat.
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.readHadoopFile(org.apache.hadoop.mapred.FileInputFormat<K,V> mapredInputFormat, Class<K> key, Class<V> value, String inputPath) Creates a DataSet from the given FileInputFormat.
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.readHadoopFile(org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V> mapreduceInputFormat, Class<K> key, Class<V> value, String inputPath) Creates a DataSet from the given FileInputFormat.
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.readHadoopFile(org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V> mapreduceInputFormat, Class<K> key, Class<V> value, String inputPath, org.apache.hadoop.mapreduce.Job job) Creates a DataSet from the given FileInputFormat.
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.readHadoopFile(org.apache.hadoop.mapred.FileInputFormat<K,V> mapredInputFormat, Class<K> key, Class<V> value, String inputPath, org.apache.hadoop.mapred.JobConf job) Creates a DataSet from the given FileInputFormat.
<K,V> DataSource<Tuple2<K,V>>	ExecutionEnvironment.readSequenceFile(Class<K> key, Class<V> value, String inputPath) Creates a DataSet from SequenceFileInputFormat A JobConf with the given inputPath is created.

Uses of Tuple2 in org.apache.flink.api.java.hadoop.mapred

Methods in org.apache.flink.api.java.hadoop.mapred that return Tuple2

Modifier and Type	Method and Description
Tuple2<K,V>	HadoopInputFormat.nextRecord(Tuple2<K,V> record)

Methods in org.apache.flink.api.java.hadoop.mapred that return types with arguments of type Tuple2

Modifier and Type	Method and Description
TypeInformation<Tuple2<K,V>>	HadoopInputFormat.getProducedType()

Methods in org.apache.flink.api.java.hadoop.mapred with parameters of type Tuple2

Modifier and Type	Method and Description
Tuple2<K,V>	HadoopInputFormat.nextRecord(Tuple2<K,V> record)
void	HadoopOutputFormat.writeRecord(Tuple2<K,V> record)

Uses of Tuple2 in org.apache.flink.api.java.hadoop.mapreduce

Methods in org.apache.flink.api.java.hadoop.mapreduce that return Tuple2

Modifier and Type	Method and Description
Tuple2<K,V>	HadoopInputFormat.nextRecord(Tuple2<K,V> record)

Methods in org.apache.flink.api.java.hadoop.mapreduce that return types with arguments of type Tuple2

Modifier and Type	Method and Description
TypeInformation<Tuple2<K,V>>	HadoopInputFormat.getProducedType()

Methods in org.apache.flink.api.java.hadoop.mapreduce with parameters of type Tuple2

Modifier and Type	Method and Description
Tuple2<K,V>	HadoopInputFormat.nextRecord(Tuple2<K,V> record)
void	HadoopOutputFormat.writeRecord(Tuple2<K,V> record)

Uses of Tuple2 in org.apache.flink.api.java.io

Methods in org.apache.flink.api.java.io that return types with arguments of type Tuple2

Modifier and Type	Method and Description
<T0,T1> DataSource<Tuple2<T0,T1>>	CsvReader.types(Class<T0> type0, Class<T1> type1) Specifies the types for the CSV fields.

Uses of Tuple2 in org.apache.flink.api.java.operators

Methods in org.apache.flink.api.java.operators that return Tuple2

Modifier and Type	Method and Description
Tuple2<T1,T2>	CrossOperator.DefaultCrossFunction.cross(T1 first, T2 second)

Methods in org.apache.flink.api.java.operators that return types with arguments of type Tuple2

Modifier and Type	Method and Description
<T0,T1> ProjectOperator<T,Tuple2<T0,T1>>	ProjectOperator.Projection.projectTuple2() Projects a Tuple DataSet to the previously selected fields.
<T0,T1> CrossOperator.ProjectCross<I1,I2,Tuple2<T0,T1>>	CrossOperator.CrossProjection.projectTuple2() Projects a pair of crossed elements to a Tuple with the previously selected fields.
<T0,T1> JoinOperator.ProjectJoin<I1,I2,Tuple2<T0,T1>>	JoinOperator.JoinProjection.projectTuple2() Projects a pair of joined elements to a Tuple with the previously selected fields.

Method parameters in org.apache.flink.api.java.operators with type arguments of type Tuple2

Modifier and Type	Method and Description
void	JoinOperator.DefaultFlatJoinFunction.join(T1 first, T2 second, Collector<Tuple2<T1,T2>> out)

Uses of Tuple2 in org.apache.flink.api.java.operators.translation

Methods in org.apache.flink.api.java.operators.translation that return Tuple2

Modifier and Type	Method and Description
Tuple2<K,T>	KeyExtractingMapper.map(T value)
Tuple2<K,T>	PlanUnwrappingReduceOperator.ReduceWrapper.reduce(Tuple2<K,T> value1, Tuple2<K,T> value2)

Methods in org.apache.flink.api.java.operators.translation with parameters of type Tuple2

Modifier and Type	Method and Description
void	TupleRightUnwrappingJoiner.join(I1 value1, Tuple2<K,I2> value2, Collector<OUT> collector)
void	TupleLeftUnwrappingJoiner.join(Tuple2<K,I1> value1, I2 value2, Collector<OUT> collector)
void	TupleUnwrappingJoiner.join(Tuple2<K,I1> value1, Tuple2<K,I2> value2, Collector<OUT> collector)
void	TupleUnwrappingJoiner.join(Tuple2<K,I1> value1, Tuple2<K,I2> value2, Collector<OUT> collector)
T	KeyRemovingMapper.map(Tuple2<K,T> value)
Tuple2<K,T>	PlanUnwrappingReduceOperator.ReduceWrapper.reduce(Tuple2<K,T> value1, Tuple2<K,T> value2)
Tuple2<K,T>	PlanUnwrappingReduceOperator.ReduceWrapper.reduce(Tuple2<K,T> value1, Tuple2<K,T> value2)

Method parameters in org.apache.flink.api.java.operators.translation with type arguments of type Tuple2

Modifier and Type	Method and Description
void	PlanRightUnwrappingCoGroupOperator.TupleRightUnwrappingCoGrouper.coGroup(Iterable<I1> records1, Iterable<Tuple2<K,I2>> records2, Collector<OUT> out)
void	PlanLeftUnwrappingCoGroupOperator.TupleLeftUnwrappingCoGrouper.coGroup(Iterable<Tuple2<K,I1>> records1, Iterable<I2> records2, Collector<OUT> out)
void	PlanBothUnwrappingCoGroupOperator.TupleBothUnwrappingCoGrouper.coGroup(Iterable<Tuple2<K,I1>> records1, Iterable<Tuple2<K,I2>> records2, Collector<OUT> out)
void	PlanBothUnwrappingCoGroupOperator.TupleBothUnwrappingCoGrouper.coGroup(Iterable<Tuple2<K,I1>> records1, Iterable<Tuple2<K,I2>> records2, Collector<OUT> out)
void	PlanUnwrappingGroupCombineOperator.TupleUnwrappingGroupCombiner.combine(Iterable<Tuple2<K,IN>> values, Collector<OUT> out)
void	PlanUnwrappingReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer.combine(Iterable<Tuple2<K,IN>> values, Collector<Tuple2<K,IN>> out)
void	PlanUnwrappingReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer.combine(Iterable<Tuple2<K,IN>> values, Collector<Tuple2<K,IN>> out)
void	PlanUnwrappingReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer.reduce(Iterable<Tuple2<K,IN>> values, Collector<OUT> out)
void	PlanUnwrappingReduceGroupOperator.TupleUnwrappingNonCombinableGroupReducer.reduce(Iterable<Tuple2<K,IN>> values, Collector<OUT> out)
void	TupleWrappingCollector.set(Collector<Tuple2<K,IN>> wrappedCollector)
void	TupleUnwrappingIterator.set(Iterator<Tuple2<K,T>> iterator)

Constructor parameters in org.apache.flink.api.java.operators.translation with type arguments of type Tuple2

Constructor and Description
PlanBothUnwrappingCoGroupOperator(CoGroupFunction<I1,I2,OUT> udf, Keys.SelectorFunctionKeys<I1,K> key1, Keys.SelectorFunctionKeys<I2,K> key2, String name, TypeInformation<OUT> type, TypeInformation<Tuple2<K,I1>> typeInfoWithKey1, TypeInformation<Tuple2<K,I2>> typeInfoWithKey2)
PlanBothUnwrappingCoGroupOperator(CoGroupFunction<I1,I2,OUT> udf, Keys.SelectorFunctionKeys<I1,K> key1, Keys.SelectorFunctionKeys<I2,K> key2, String name, TypeInformation<OUT> type, TypeInformation<Tuple2<K,I1>> typeInfoWithKey1, TypeInformation<Tuple2<K,I2>> typeInfoWithKey2)
PlanLeftUnwrappingCoGroupOperator(CoGroupFunction<I1,I2,OUT> udf, Keys.SelectorFunctionKeys<I1,K> key1, int[] key2, String name, TypeInformation<OUT> resultType, TypeInformation<Tuple2<K,I1>> typeInfoWithKey1, TypeInformation<I2> typeInfo2)
PlanRightUnwrappingCoGroupOperator(CoGroupFunction<I1,I2,OUT> udf, int[] key1, Keys.SelectorFunctionKeys<I2,K> key2, String name, TypeInformation<OUT> resultType, TypeInformation<I1> typeInfo1, TypeInformation<Tuple2<K,I2>> typeInfoWithKey2)
PlanUnwrappingGroupCombineOperator(GroupCombineFunction<IN,OUT> udf, Keys.SelectorFunctionKeys<IN,K> key, String name, TypeInformation<OUT> outType, TypeInformation<Tuple2<K,IN>> typeInfoWithKey)
PlanUnwrappingReduceGroupOperator(GroupReduceFunction<IN,OUT> udf, Keys.SelectorFunctionKeys<IN,K> key, String name, TypeInformation<OUT> outType, TypeInformation<Tuple2<K,IN>> typeInfoWithKey, boolean combinable)
PlanUnwrappingReduceOperator(ReduceFunction<T> udf, Keys.SelectorFunctionKeys<T,K> key, String name, TypeInformation<T> type, TypeInformation<Tuple2<K,T>> typeInfoWithKey)

Uses of Tuple2 in org.apache.flink.api.java.tuple

Methods in org.apache.flink.api.java.tuple that return Tuple2

Modifier and Type	Method and Description
Tuple2<T0,T1>	Tuple2.copy() Shallow tuple copy.
static <T0,T1> Tuple2<T0,T1>	Tuple2.of(T0 value0, T1 value1) Creates a new tuple and assigns the given values to the tuple's fields.
Tuple2<T1,T0>	Tuple2.swap() Returns a shallow copy of the tuple with swapped values.

Uses of Tuple2 in org.apache.flink.api.java.tuple.builder

Methods in org.apache.flink.api.java.tuple.builder that return Tuple2

Modifier and Type	Method and Description
Tuple2<T0,T1>[]	Tuple2Builder.build()

Uses of Tuple2 in org.apache.flink.api.java.utils

Methods in org.apache.flink.api.java.utils that return types with arguments of type Tuple2

Modifier and Type	Method and Description
static <T> DataSet<Tuple2<Long,T>>	DataSetUtils.zipWithIndex(DataSet<T> input) Method that assigns a unique Long value to all elements in the input data set.
static <T> DataSet<Tuple2<Long,T>>	DataSetUtils.zipWithUniqueId(DataSet<T> input) Method that assigns a unique Long value to all elements in the input data set in the following way: a map function is applied to the input data set each map task holds a counter c which is increased for each record c is shifted by n bits where n = log2(number of parallel tasks) to create a unique ID among all tasks, the task id is added to the counter for each record, the resulting counter is collected