PortDeclaration (IBM InfoSphere Streams Java Operator API)

Skip navigation links

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

All Superinterfaces:

StreamingData

All Known Subinterfaces:

InputPortDeclaration, OutputPortDeclaration
```
public interface PortDeclaration<T extends PortDeclaration<T>>
extends StreamingData
```
Declaration of a port for an OperatorInvocation.

Since:

InfoSphere® Streams Version 3.1

Nested Class Summary
- Nested classes/interfaces inherited from interface com.ibm.streams.operator.StreamingData
  StreamingData.Punctuation

Method Summary

Methods
Modifier and Type	Method and Description
`java.util.Collection<StreamConnection>`	`getConnections()` Get the list of connections for this port.
`boolean`	`isConnected()` Is the port connected in the graph.
`OperatorInvocation<?>`	`operator()` Get the operator invocation for this port.

Methods inherited from interface com.ibm.streams.operator.StreamingData
getName, getPEPortNumber, getPortNumber, getStreamSchema, isConnectedToPEPort

- Method Detail
  - operator
```
OperatorInvocation<?> operator()
```
    Get the operator invocation for this port.
    
    Returns:
    the operator invocation for this port
  - isConnected
```
boolean isConnected()
```
    Is the port connected in the graph.
    
    Returns:
    true if the port is connected. Otherwise false.
  - getConnections
```
java.util.Collection<StreamConnection> getConnections()
```
    Get the list of connections for this port.
    
    Returns:
    list of connections for the port