Package org.apache.solr.client.solrj.request

Class RequestWriter

java.lang.Object

org.apache.solr.client.solrj.request.RequestWriter

Direct Known Subclasses:

JavaBinRequestWriter, XMLRequestWriter

public abstract class RequestWriter
extends Object

A RequestWriter is used to write requests to Solr.

A subclass can override the methods in this class to supply a custom format in which a request can be sent.

Since:

solr 1.4

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	RequestWriter.ContentWriter
static class	RequestWriter.StringPayloadContentWriter

Constructor Summary

Constructors

Constructor	Description
RequestWriter()

Method Summary

Modifier and Type	Method	Description
abstract Collection<ContentStream>	getContentStreams(SolrRequest<?> req)	Deprecated. Use getContentWriter(SolrRequest).
abstract RequestWriter.ContentWriter	getContentWriter(SolrRequest<?> req)	To be implemented by subclasses to serialize update requests into the appropriate format.
abstract String	getUpdateContentType()
protected boolean	isEmpty(UpdateRequest updateRequest)
protected boolean	isNull(List<?> l)
protected boolean	isNull(Map<?,?> l)
abstract void	write(SolrRequest<?> request, OutputStream os)

Methods inherited from class java.lang.Object

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

Constructor Details

RequestWriter

public RequestWriter()

Method Details

getContentWriter

public abstract RequestWriter.ContentWriter getContentWriter(SolrRequest<?> req)

To be implemented by subclasses to serialize update requests into the appropriate format.

If this method returns null, getContentStreams(SolrRequest) is then invoked to get content.

getContentStreams

@Deprecated
public abstract Collection<ContentStream> getContentStreams(SolrRequest<?> req)
                                                     throws IOException

Deprecated.

Use getContentWriter(SolrRequest).

Throws:

IOException

isEmpty

protected boolean isEmpty(UpdateRequest updateRequest)

write

public abstract void write(SolrRequest<?> request,
 OutputStream os)
                    throws IOException

Throws:

IOException

getUpdateContentType

public abstract String getUpdateContentType()

isNull

protected boolean isNull(List<?> l)

isNull

protected boolean isNull(Map<?,?> l)