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PackageBuilder.ErrorHandler - JBoss RULES 3.0.6 API 英文版文档

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org.drools.compiler
Class PackageBuilder.ErrorHandler

java.lang.Object
  org.drools.compiler.PackageBuilder.ErrorHandler

Direct Known Subclasses:

PackageBuilder.FunctionErrorHandler, PackageBuilder.RuleErrorHandler

Enclosing class:

PackageBuilder

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public abstract static class PackageBuilder.ErrorHandler
extends java.lang.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.

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Field Summary
protected  java.lang.String	message

 

Constructor Summary
PackageBuilder.ErrorHandler()

 

Method Summary
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 java.lang.String message

Constructor Detail

PackageBuilder.ErrorHandler

public PackageBuilder.ErrorHandler()

Method Detail

isInError

public boolean isInError()

This needes to be checked if there is infact an error

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addError

public void addError(CompilationProblem err)

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getError

public abstract DroolsError getError()

Returns:

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

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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.

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