ReduceOperator.Builder (flink-java 0.8.1-hadoop1 API)

Methods
Modifier and Type	Method and Description
`ReduceOperator`	`build()` Creates and returns a ReduceOperator from using the values given to the builder.
`ReduceOperator.Builder`	`input(Operator<Record>... inputs)` Sets one or several inputs (union).
`ReduceOperator.Builder`	`input(Operator<Record> input)` Sets the input.
`ReduceOperator.Builder`	`inputs(List<Operator<Record>> inputs)` Sets the inputs.
`ReduceOperator.Builder`	`keyField(Class<? extends Key<?>> keyClass, int keyColumn)` Adds additional key field.
`ReduceOperator.Builder`	`name(String name)` Sets the name of this operator.
`ReduceOperator.Builder`	`secondaryOrder(Ordering order)` Sets the order of the elements within a group.
`ReduceOperator.Builder`	`setBroadcastVariable(String name, Operator<Record> input)` Binds the result produced by a plan rooted at `root` to a variable used by the UDF wrapped in this operator.
`ReduceOperator.Builder`	`setBroadcastVariables(Map<String,Operator<Record>> inputs)` Binds multiple broadcast variables.

public ReduceOperator.Builder keyField(Class<? extends Key<?>> keyClass,
                              int keyColumn)

Adds additional key field.

Parameters:: keyClass - The class of the key data type.; keyColumn - The position of the key.

public ReduceOperator.Builder input(Operator<Record> input)

Sets the input.

public ReduceOperator.Builder input(Operator<Record>... inputs)

Sets one or several inputs (union).

public ReduceOperator.Builder inputs(List<Operator<Record>> inputs)

Sets the inputs.

public ReduceOperator.Builder setBroadcastVariable(String name,
                                          Operator<Record> input)

Binds the result produced by a plan rooted at root to a variable used by the UDF wrapped in this operator.

public ReduceOperator.Builder setBroadcastVariables(Map<String,Operator<Record>> inputs)

Binds multiple broadcast variables.

public ReduceOperator.Builder name(String name)

Sets the name of this operator.

Class ReduceOperator.Builder