org.springframework.cloud.dataflow.core.dsl

Class StreamParser

java.lang.Object

org.springframework.cloud.dataflow.core.dsl.AppParser

org.springframework.cloud.dataflow.core.dsl.StreamParser

public class StreamParser
extends AppParser

Parser for stream DSL that generates StreamNode.

Author:

Andy Clement, Patrick Peralta, Ilayaperumal Gopinathan, Mark Fisher

Constructor Summary

Constructors

Constructor and Description
StreamParser(String dsl) Construct a StreamParser without supplying the stream name up front.
StreamParser(String name, String dsl) Construct a StreamParser for a stream with the provided name.

Method Summary

Methods

Modifier and Type	Method and Description
StreamNode	parse() Parse a stream definition.
String	toString()

Methods inherited from class org.springframework.cloud.dataflow.core.dsl.AppParser

eatApp, eatAppArgs, eatArgValue, eatDottedName, getTokens, isValidName, toData, tokenListToStringList, toLabelNode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamParser

public StreamParser(String dsl)

Construct a StreamParser without supplying the stream name up front. The stream name may be embedded in the definition; for example: mystream = http | file.

Parameters:

dsl - the stream definition DSL text

StreamParser

public StreamParser(String name,
            String dsl)

Construct a StreamParser for a stream with the provided name.

Parameters:

name - stream name

dsl - stream dsl text

Method Detail

parse

public StreamNode parse()

Parse a stream definition.

Returns:

the AST for the parsed stream

Throws:

ParseException

toString

public String toString()

Overrides:

toString in class Object