org.springframework.xd.dirt.stream

Class XDStreamParser

java.lang.Object

org.springframework.xd.dirt.stream.XDStreamParser

All Implemented Interfaces:

XDParser

public class XDStreamParser
extends java.lang.Object
implements XDParser

Parser to convert a DSL string for a stream into a list of ModuleDescriptor objects that comprise the given stream.

Since:

1.0

Author:

Andy Clement, Gunnar Hillert, Glenn Renfro, Mark Fisher, Patrick Peralta, Eric Bottard

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	XDStreamParser.MultiLineDocumentParser A wrapper around the canonical parser that supports multiline "document" parsing.

Constructor Summary

Constructors

Constructor and Description
XDStreamParser(org.springframework.data.repository.CrudRepository<? extends BaseDefinition,java.lang.String> repository, ModuleRegistry moduleRegistry, ModuleOptionsMetadataResolver moduleOptionsMetadataResolver) Construct an XDStreamParser.
XDStreamParser(ModuleRegistry moduleRegistry, ModuleOptionsMetadataResolver moduleOptionsMetadataResolver) Construct an XDStreamParser.

Method Summary

Methods

Modifier and Type	Method and Description
java.util.List<ModuleDescriptor>	parse(java.lang.String name, java.lang.String config, ParsingContext parsingContext) Parse a DSL string.

Methods inherited from class java.lang.Object

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

Constructor Detail

XDStreamParser

public XDStreamParser(org.springframework.data.repository.CrudRepository<? extends BaseDefinition,java.lang.String> repository,
              ModuleRegistry moduleRegistry,
              ModuleOptionsMetadataResolver moduleOptionsMetadataResolver)

Construct an XDStreamParser.

Parameters:

repository - repository for stream definitions (optional)

moduleRegistry - registry for modules

moduleOptionsMetadataResolver - resolver for module options metadata

XDStreamParser

public XDStreamParser(ModuleRegistry moduleRegistry,
              ModuleOptionsMetadataResolver moduleOptionsMetadataResolver)

Construct an XDStreamParser.

Parameters:

moduleRegistry - registry for modules

moduleOptionsMetadataResolver - resolver for module options metadata

Method Detail

parse

public java.util.List<ModuleDescriptor> parse(java.lang.String name,
                                     java.lang.String config,
                                     ParsingContext parsingContext)

Description copied from interface: XDParser

Parse a DSL string.

Specified by:

parse in interface XDParser

Parameters:

name - name of the deployable unit, such as a stream or job

config - the DSL string

parsingContext - the context under which the parsing is occurring (for example, is it a stream, module, or job being parsed, how far into the DSL has parsing occurred, etc)

Returns:

list of ModuleDescriptor that reflect the modules required for the deployable unit described by the DSL.