PageRankMapping.RankInitializer (Apache Wayang (incubating) 0.7.1 API)

java.lang.Object
- org.apache.wayang.basic.mapping.PageRankMapping.RankInitializer

All Implemented Interfaces:

java.io.Serializable, java.util.function.Function<java.lang.Long,Tuple2<java.lang.Long,java.lang.Float>>, ExtendedFunction, FunctionDescriptor.ExtendedSerializableFunction<java.lang.Long,Tuple2<java.lang.Long,java.lang.Float>>, FunctionDescriptor.SerializableFunction<java.lang.Long,Tuple2<java.lang.Long,java.lang.Float>>

Enclosing class:

PageRankMapping
```
public static class PageRankMapping.RankInitializer
extends java.lang.Object
implements FunctionDescriptor.ExtendedSerializableFunction<java.lang.Long,Tuple2<java.lang.Long,java.lang.Float>>
```
Creates intial page ranks.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

RankInitializer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Tuple2<java.lang.Long,java.lang.Float>`	`apply(java.lang.Long vertexId)`
`void`	`open(ExecutionContext ctx)`	Called before this instance is actually executed.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Function
andThen, compose

- Constructor Detail
  - RankInitializer
```
public RankInitializer()
```
- Method Detail
  - open
```
public void open(ExecutionContext ctx)
```
    Description copied from interface: ExtendedFunction
    
    Called before this instance is actually executed.
    
    Specified by:
    
    open in interface ExtendedFunction
    
    Parameters:
    
    ctx - the ExecutionContext
  - apply
```
public Tuple2<java.lang.Long,java.lang.Float> apply(java.lang.Long vertexId)
```
    Specified by:
    
    apply in interface java.util.function.Function<java.lang.Long,Tuple2<java.lang.Long,java.lang.Float>>