com.marklogic.client.datamovement

Class XMLSplitter.Visitor<T extends XMLWriteHandle>

java.lang.Object

com.marklogic.client.datamovement.XMLSplitter.Visitor<T>

Type Parameters:

T - The type of the handle used for each split

Direct Known Subclasses:

XMLSplitter.BasicElementVisitor

Enclosing class:

XMLSplitter<T extends XMLWriteHandle>

public abstract static class XMLSplitter.Visitor<T extends XMLWriteHandle>
extends java.lang.Object

The Visitor class is used to check if the current element is the target to split. If it is, convert the target elements into buffered handles or DocumentWriteOperations.

Constructor Summary

Constructors

Constructor and Description
Visitor()

Method Summary

Modifier and Type	Method and Description
void	endElement(java.lang.String nsUri, java.lang.String localName) Receives a notification when hitting end element.
abstract T	makeBufferedHandle(javax.xml.stream.XMLStreamReader xmlStreamReader) Construct buffered content handles with proper types from XMLStreamReader.
DocumentWriteOperation	makeDocumentWriteOperation(XMLSplitter.UriMaker uriMaker, long count, T handle) Construct buffered DocumentWriteOperations from XMLStreamReader
java.lang.String	serialize(javax.xml.stream.XMLStreamReader reader) Serialize the target elements in XMLStreamReader to Strings.
abstract NodeOperation	startElement(XMLSplitter.StartElementReader startElementReader) Use the methods in StartElementReader to check if the current element is the one to split.

Methods inherited from class java.lang.Object

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

Constructor Detail

Visitor

public Visitor()

Method Detail

startElement

public abstract NodeOperation startElement(XMLSplitter.StartElementReader startElementReader)

Use the methods in StartElementReader to check if the current element is the one to split.

Parameters:

startElementReader - inspects the start element state

Returns:

different operations to either process current element, go down the XML tree or skip current element

endElement

public void endElement(java.lang.String nsUri,
                       java.lang.String localName)

Receives a notification when hitting end element.

Parameters:

nsUri - the namespace URI of the target element

localName - the local name of the target element

makeBufferedHandle

public abstract T makeBufferedHandle(javax.xml.stream.XMLStreamReader xmlStreamReader)

Construct buffered content handles with proper types from XMLStreamReader.

Parameters:

xmlStreamReader - the XMLStreamReader with target element as start element in the current state

Returns:

the handle with target elements as content

makeDocumentWriteOperation

public DocumentWriteOperation makeDocumentWriteOperation(XMLSplitter.UriMaker uriMaker,
                                                         long count,
                                                         T handle)

Construct buffered DocumentWriteOperations from XMLStreamReader

Parameters:

uriMaker - the UriMake to construct the URI for each document

count - the count of each split

handle - the handle contains target elements as content

Returns:

DocumentWriteOperations to write to database

serialize

public java.lang.String serialize(javax.xml.stream.XMLStreamReader reader)

Serialize the target elements in XMLStreamReader to Strings.

Parameters:

reader - the XMLStreamReader with target element as start element in the current state

Returns:

String contains target elements