com.pervasive.datarush.ports

Class LogicalPortFactory<T extends LogicalPort>

java.lang.Object

com.pervasive.datarush.ports.LogicalPortFactory<T>

Type Parameters:

T - the type of port

Direct Known Subclasses:

AbstractModelPortFactory

public abstract class LogicalPortFactory<T extends LogicalPort>
extends Object

A port factory creates a port. By convention, all port types declare a static "FACTORY" variable that can create ports of the given type.

Constructor Summary

Constructors

Constructor and Description
LogicalPortFactory()

Method Summary

Modifier and Type	Method and Description
abstract com.pervasive.datarush.graphs.internal.LogicalPortProvider	getProvider() Public only as a matter of implementation; clients should not use this method directly.
abstract T	newPort(LogicalOperator owner, String name, LogicalPort.Direction direction, boolean optional) Public only as a matter of implementation; clients should not use this method directly.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LogicalPortFactory

public LogicalPortFactory()

Method Detail

newPort

public abstract T newPort(LogicalOperator owner,
                          String name,
                          LogicalPort.Direction direction,
                          boolean optional)

Public only as a matter of implementation; clients should not use this method directly. Clients should create ports via one of the factory methods on AbstractLogicalOperator. For example use newRecordInput to create a record input port.

Parameters:

owner - the owner of the port

name - the name of the port

direction - the port direction

optional - whether the port is optional

Returns:

a new port

getProvider

public abstract com.pervasive.datarush.graphs.internal.LogicalPortProvider getProvider()

Public only as a matter of implementation; clients should not use this method directly.

Returns:

a provider