org.drools.compiler.builder.impl.errors

Class ErrorHandler

java.lang.Object

org.drools.compiler.builder.impl.errors.ErrorHandler

Direct Known Subclasses:

FunctionErrorHandler, RuleErrorHandler, SrcErrorHandler

public abstract class ErrorHandler
extends Object

This is the super of the error handlers. Each error handler knows how to report a compile error of its type, should it happen. This is needed, as the compiling is done as one hit at the end, and we need to be able to work out what rule/ast element caused the error. An error handler it created for each class task that is queued to be compiled. This doesn't mean an error has occurred, it just means it *may* occur in the future and we need to be able to map it back to the AST element that originally spawned the code to be compiled.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	message

Constructor Summary

Constructors

Constructor and Description
ErrorHandler()

Method Summary

Modifier and Type	Method and Description
void	addError(CompilationProblem err)
protected CompilationProblem[]	collectCompilerProblems() We must use an error of JCI problem objects.
abstract DroolsError	getError()
boolean	isInError() This needes to be checked if there is infact an error

Methods inherited from class java.lang.Object

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

Field Detail

message

protected String message

Constructor Detail

ErrorHandler

public ErrorHandler()

Method Detail

isInError

public boolean isInError()

This needes to be checked if there is infact an error

addError

public void addError(CompilationProblem err)

getError

public abstract DroolsError getError()

Returns:

A DroolsError object populated as appropriate, should the unthinkable happen and this need to be reported.

collectCompilerProblems

protected CompilationProblem[] collectCompilerProblems()

We must use an error of JCI problem objects. If there are no problems, null is returned. These errors are placed in the DroolsError instances. Its not 1 to 1 with reported errors.