Package ca.uhn.hl7v2.model

Class MessageVisitors

java.lang.Object

ca.uhn.hl7v2.model.MessageVisitors

public final class MessageVisitors
extends Object

Static methods for working with MessageVisitor

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	MessageVisitors.PopulatedVisitor<T extends MessageVisitor>
static final class	MessageVisitors.StructuresVisitor<T extends MessageVisitor>

Method Summary

Modifier and Type	Method	Description
static <T extends MessageVisitor> T	visit(Visitable visitable, T visitor)	Lets a visitor visit a message of parts thereof.
static <T extends MessageVisitor> MessageVisitors.PopulatedVisitor<T>	visitPopulatedElements(T visitor)	Returns a MessageVisitor that only visits populated message elements.
static <T extends MessageVisitor> MessageVisitors.StructuresVisitor<T>	visitStructures(T visitor)	Returns a MessageVisitor that only visits structures

Methods inherited from class java.lang.Object

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

Method Details

visit

public static <T extends MessageVisitor> T visit(Visitable visitable,
 T visitor)
                                          throws HL7Exception

Lets a visitor visit a message of parts thereof.

Parameters:

visitor - MessageVisitor

visitable - message element to be visited

Returns:

the MessageVisitor

Throws:

HL7Exception - if an error occurs while visiting

visitStructures

public static <T extends MessageVisitor>
MessageVisitors.StructuresVisitor<T> visitStructures(T visitor)

Returns a MessageVisitor that only visits structures

Parameters:

visitor - delegate MessageVisitor instance

Returns:

MessageVisitor that only visits structures

visitPopulatedElements

public static <T extends MessageVisitor>
MessageVisitors.PopulatedVisitor<T> visitPopulatedElements(T visitor)

Returns a MessageVisitor that only visits populated message elements. You can further nest delegate visitors, e.g. structures(populated(new MyVisitor()))

Parameters:

visitor - delegate MessageVisitor instance

Returns:

MessageVisitor that only visits populated message elements