org.gcube.data.trees.streams
Class TreeStreams

java.lang.Object
  org.gcube.data.trees.streams.TreeStreams

public class TreeStreams
extends Object

Result set conversion facilities.

Author:

Fabio Simeoni

Nested Class Summary

static class	TreeStreams.NodeParser A Generator that parses Nodes from their XML serialisation.
static class	TreeStreams.NodeSerialiser A Generator that serialises Nodes to XML.
static class	TreeStreams.TreeParser A Generator that parses Trees from their XML serialisation.
static class	TreeStreams.TreeSerialiser A Generator that serialises Trees to XML.

Constructor Summary

TreeStreams()

Method Summary

static org.gcube.data.streams.Stream<Node>	nodesIn(URI locator) Converts a Result Set with Nodes into a Stream.
static <T> org.gcube.data.streams.dsl.publish.PublishRsWithClause<Node>	publishNodesIn(org.gcube.data.streams.Stream<Node> stream) Publishes a Stream of Nodes as a result set.
static <T> org.gcube.data.streams.dsl.publish.PublishRsWithClause<Tree>	publishTreesIn(org.gcube.data.streams.Stream<Tree> stream) Publishes a Stream of Trees as a result set.
static org.gcube.data.streams.Stream<Tree>	treesIn(URI locator) Converts a Result Set with Trees into a Stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeStreams

public TreeStreams()

Method Detail

treesIn

public static org.gcube.data.streams.Stream<Tree> treesIn(URI locator)
                                                   throws Exception

Converts a Result Set with Trees into a Stream.

Parameters:

locator - the Result Set locator

Returns:

the remote iterator

Throws:

Exception - if the conversion could not be performed

nodesIn

public static org.gcube.data.streams.Stream<Node> nodesIn(URI locator)
                                                   throws Exception

Converts a Result Set with Nodes into a Stream.

Parameters:

locator - the Result Set locator

Returns:

the stream

Throws:

Exception - if the conversion could not be performed

publishTreesIn

public static <T> org.gcube.data.streams.dsl.publish.PublishRsWithClause<Tree> publishTreesIn(org.gcube.data.streams.Stream<Tree> stream)

Publishes a Stream of Trees as a result set.

Type Parameters:

T - the type of the stream elements

Parameters:

stream - the iterator

Returns:

the next clause

publishNodesIn

public static <T> org.gcube.data.streams.dsl.publish.PublishRsWithClause<Node> publishNodesIn(org.gcube.data.streams.Stream<Node> stream)

Publishes a Stream of Nodes as a result set.

Type Parameters:

T - the type of stream elements

Parameters:

stream - the stream

Returns:

the next clause