org.apache.commons.scxml

Interface ErrorReporter

All Known Implementing Classes:

SimpleErrorReporter, Tracer

public interface ErrorReporter

An interface for reporting SCXML errors to the host environment, containing the definition of commonly occuring errors while executing SCXML documents.

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXPRESSION_ERROR Deprecated. Use ErrorConstants.EXPRESSION_ERROR instead.
static String	ILLEGAL_CONFIG Deprecated. Use ErrorConstants.ILLEGAL_CONFIG instead.
static String	ILLEGAL_INITIAL Deprecated. Use ErrorConstants.ILLEGAL_INITIAL instead.
static String	NO_INITIAL Deprecated. Use ErrorConstants.NO_INITIAL instead.
static String	NON_DETERMINISTIC Deprecated. No longer necessary, non determinism is solved based on state heirarchy and document order priorities.
static String	UNDEFINED_VARIABLE Deprecated. Use ErrorConstants.UNDEFINED_VARIABLE instead.
static String	UNKNOWN_ACTION Deprecated. Use ErrorConstants.UNKNOWN_ACTION instead.

Method Summary

Methods

Modifier and Type	Method and Description
void	onError(String errCode, String errDetail, Object errCtx) Handler for reporting an error.

Field Detail

NO_INITIAL

static final String NO_INITIAL

Deprecated. Use ErrorConstants.NO_INITIAL instead.

Missing initial state for a composite state or for the scxml root.

See Also:

SCXML.getInitialState(), State.getInitial(), Constant Field Values

ILLEGAL_INITIAL

static final String ILLEGAL_INITIAL

Deprecated. Use ErrorConstants.ILLEGAL_INITIAL instead.

An initial state for a composite state whose Transition does not. Map to a descendant of the composite state.

See Also:

Constant Field Values

UNKNOWN_ACTION

static final String UNKNOWN_ACTION

Deprecated. Use ErrorConstants.UNKNOWN_ACTION instead.

Unknown action - unsupported executable content. List of supported. actions: assign, cancel, elseif, else, if, log, send, var

See Also:

Constant Field Values

ILLEGAL_CONFIG

static final String ILLEGAL_CONFIG

Deprecated. Use ErrorConstants.ILLEGAL_CONFIG instead.

Illegal state machine configuration. Either a parallel exists which does not have all its AND sub-states active or there are multiple enabled OR states on the same level.

See Also:

Constant Field Values

NON_DETERMINISTIC

static final String NON_DETERMINISTIC

Deprecated. No longer necessary, non determinism is solved based on state heirarchy and document order priorities.

Non-deterministic situation has occured - there are more than one enabled transitions in conflict.

See Also:

Constant Field Values

UNDEFINED_VARIABLE

static final String UNDEFINED_VARIABLE

Deprecated. Use ErrorConstants.UNDEFINED_VARIABLE instead.

A variable referred to by assign name attribute is undefined.

See Also:

Constant Field Values

EXPRESSION_ERROR

static final String EXPRESSION_ERROR

Deprecated. Use ErrorConstants.EXPRESSION_ERROR instead.

An expression language error.

See Also:

Constant Field Values

Method Detail

onError

void onError(String errCode,
           String errDetail,
           Object errCtx)

Handler for reporting an error.

Parameters:

errCode - one of the ErrorReporter's constants

errDetail - human readable description

errCtx - typically an SCXML element which caused an error, may be accompanied by additional information