edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode Class Reference

List of all members.

Classes
class	FinishCallback
class	NextSolutionCallback
class	QueryCallback
class	RospackError
class	SimpleQueryCallback
Public Member Functions
void	execute (String args[]) throws InterruptedException, RosException, IOException, RospackError
	JSONPrologNode ()
	JSONPrologNode (String initpkg)
void	removeQuery (String id)
Static Public Member Functions
static void	main (String args[])
Static Private Member Functions
static String	findRosPackage (String name) throws IOException, InterruptedException, RospackError
static void	initProlog () throws IOException, InterruptedException, RospackError
Private Attributes
boolean	hasIncrementalQuery = false
String	initPackage = ""
Hashtable< String, PrologSolutions >	queries

---

Detailed Description

ROS service interface to rosprolog

Author:

Lorenz Moesenlechner

Definition at line 50 of file JSONPrologNode.java.

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Constructor & Destructor Documentation

edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.JSONPrologNode

(

)

[inline]

Definition at line 55 of file JSONPrologNode.java.

edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.JSONPrologNode

(

String

initpkg

)

[inline]

Definition at line 59 of file JSONPrologNode.java.

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Member Function Documentation

void edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.execute

(

String

args[]

)

throws InterruptedException, RosException, IOException, RospackError [inline]

Run the json_prolog node, i.e. launch the Prolog environment, initialize the ROS connection and register the callbacks

Definition at line 261 of file JSONPrologNode.java.

static String edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.findRosPackage

(

String

name

)

throws IOException, InterruptedException, RospackError [inline, static, private]

Find a ROS package using the rospack program

Parameters:

name	Name of the ROS package

Returns:

Path to the ROS package

Exceptions:

IOException
InterruptedException
RospackError

Definition at line 357 of file JSONPrologNode.java.

static void edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.initProlog

(

)

throws IOException, InterruptedException, RospackError [inline, static, private]

Initialize the SWI Prolog engine

Exceptions:

IOException
InterruptedException
RospackError

Definition at line 337 of file JSONPrologNode.java.

static void edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.main

(

String

args[]

)

[inline, static]

Definition at line 367 of file JSONPrologNode.java.

void edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.removeQuery

(

String

id

)

[inline]

Remove a query (i.e. close it and reset the hasIncrementalQuery flag

Parameters:

id	Query ID to be closed

Definition at line 317 of file JSONPrologNode.java.

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Member Data Documentation

boolean edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.hasIncrementalQuery = false [private]

Definition at line 52 of file JSONPrologNode.java.

String edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.initPackage = "" [private]

Definition at line 53 of file JSONPrologNode.java.

Hashtable<String, PrologSolutions> edu.tum.cs.ias.knowrob.json_prolog.JSONPrologNode.queries [private]

Definition at line 51 of file JSONPrologNode.java.

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The documentation for this class was generated from the following file:

• JSONPrologNode.java