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

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

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