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| package org.qedeq.kernel.bo.control; |
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| import java.net.URL; |
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| import org.qedeq.kernel.base.module.Import; |
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| import org.qedeq.kernel.base.module.ImportList; |
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| import org.qedeq.kernel.bo.module.DependencyState; |
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| import org.qedeq.kernel.bo.module.ModuleDataException; |
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| import org.qedeq.kernel.bo.module.ModuleProperties; |
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| import org.qedeq.kernel.bo.module.ModuleReferenceList; |
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| import org.qedeq.kernel.bo.module.QedeqBo; |
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| import org.qedeq.kernel.bo.visitor.AbstractModuleVisitor; |
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| import org.qedeq.kernel.bo.visitor.QedeqNotNullTransverser; |
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| import org.qedeq.kernel.common.SourceFileExceptionList; |
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| import org.qedeq.kernel.context.KernelContext; |
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| import org.qedeq.kernel.log.ModuleEventLog; |
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| import org.qedeq.kernel.trace.Trace; |
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| import org.qedeq.kernel.xml.mapper.ModuleDataException2XmlFileException; |
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| import org.qedeq.kernel.xml.parser.DefaultSourceFileExceptionList; |
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| public final class LoadRequiredModules extends AbstractModuleVisitor { |
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| private final QedeqNotNullTransverser transverser; |
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| private final QedeqBo qedeq; |
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| private final ModuleReferenceList required; |
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2411
| private LoadRequiredModules(final QedeqBo qedeq) {
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| this.qedeq = qedeq;
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| this.transverser = new QedeqNotNullTransverser(qedeq.getModuleAddress().getURL(), this);
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| required = new ModuleReferenceList();
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| } |
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2569
| public static void loadRequired(final URL qedeqUrl)
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| throws ModuleDataException, SourceFileExceptionList { |
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2569
| final String method = "loadRequired(QedeqBo)";
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2569
| final ModuleProperties prop = KernelContext.getInstance().getModuleProperties(
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| qedeqUrl); |
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2567
| if (prop.getDependencyState().areAllRequiredLoaded()) {
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156
| return;
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| } |
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2411
| final QedeqBo bo = KernelContext.getInstance().loadModule(qedeqUrl);
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2411
| prop.setDependencyProgressState(DependencyState.STATE_LOADING_REQUIRED_MODULES);
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2411
| final LoadRequiredModules converter = new LoadRequiredModules(bo);
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| try {
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| converter.loadRequired();
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| prop.setLoadedRequiredModules(converter.required);
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| } catch (ModuleDataException e) { |
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2345
| prop.setDependencyFailureState(DependencyState.STATE_LOADING_REQUIRED_MODULES_FAILED,
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| ModuleDataException2XmlFileException.createXmlFileExceptionList(e, |
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| bo.getQedeq())); |
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2335
| throw e;
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| } catch (final RuntimeException e) { |
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0
| Trace.fatal(LoadRequiredModules.class, method, "programming error", e);
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0
| ModuleDataException me = new LoadRequiredModuleException(10, e.toString(),
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| converter.transverser.getCurrentContext()); |
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| final SourceFileExceptionList xl =
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| new DefaultSourceFileExceptionList(e); |
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0
| prop.setDependencyFailureState(
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| DependencyState.STATE_LOADING_REQUIRED_MODULES_FAILED, xl); |
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| ModuleEventLog.getInstance().stateChanged(prop);
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0
| throw me;
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| } catch (final Throwable e) { |
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24
| ModuleDataException me = new LoadRequiredModuleException(10, e.toString(),
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| converter.transverser.getCurrentContext()); |
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| final SourceFileExceptionList xl =
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| new DefaultSourceFileExceptionList(e); |
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| prop.setDependencyFailureState(
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| DependencyState.STATE_LOADING_REQUIRED_MODULES_FAILED, xl); |
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| ModuleEventLog.getInstance().stateChanged(prop);
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| throw me;
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| } |
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| } |
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2411
| private final void loadRequired() throws ModuleDataException {
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| transverser.accept(qedeq.getQedeq());
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| } |
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2543
| public void visitEnter(final Import imp) throws ModuleDataException {
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2543
| try {
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2543
| final QedeqBo other = KernelContext.getInstance().loadModule(qedeq,
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| imp.getSpecification()); |
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2541
| required.add(transverser.getCurrentContext(), imp.getLabel(),
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| other.getModuleAddress().getURL()); |
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| loadRequired(other.getModuleAddress().getURL());
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| } catch (SourceFileExceptionList e) { |
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1
| Trace.trace(this, "visitEnter(Import)", e);
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1
| throw new LoadRequiredModuleException(e.get(0).getErrorCode(),
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| "import of module labeled \"" + imp.getLabel() + "\" failed: " |
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| + e.get(0).getMessage(), transverser.getCurrentContext()); |
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| } |
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| } |
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27
| public void visitLeave(final ImportList imports) {
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27
| transverser.setBlocked(true);
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| } |
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| } |