Examples with EDataType org.eclipse.emf.ecore.EDataType used on opensource projects

Example 36 with EDataType

use of org.eclipse.emf.ecore.EDataType in project xtext-core by eclipse.

the class XtextValidator method checkCrossReferenceTerminal.

public boolean checkCrossReferenceTerminal(RuleCall call) {
    if (call.getRule() != null && call.getRule().getType() != null) {
        EClassifier type = call.getRule().getType().getClassifier();
        EDataType dataType = GrammarUtil.findEString(GrammarUtil.getGrammar(call));
        if (dataType == null)
            dataType = EcorePackage.Literals.ESTRING;
        if (type != null && dataType != type) {
            error("The rule '" + call.getRule().getName() + "' is not valid for a cross reference since it does not return " + "an EString. You'll have to wrap it in a data type rule.", call, null, ValidationMessageAcceptor.INSIGNIFICANT_INDEX, null);
            return true;
        }
    }
    return false;
}

Example 37 with EDataType

use of org.eclipse.emf.ecore.EDataType in project xtext-core by eclipse.

the class Xtext2EcoreTransformer method deriveTypeHierarchyFromOverridden.

private boolean deriveTypeHierarchyFromOverridden(ParserRule rule, Grammar grammar) throws TransformationException {
    AbstractRule parentRule = GrammarUtil.findRuleForName(grammar, rule.getName());
    if (parentRule != null) {
        if (parentRule != rule && parentRule instanceof ParserRule) {
            ParserRule casted = (ParserRule) parentRule;
            if (casted.isFragment() != rule.isFragment()) {
                if (rule.isFragment()) {
                    throw new TransformationException(TransformationErrorCode.InvalidFragmentOverride, "A fragment rule cannot override a production rule.", rule);
                } else {
                    throw new TransformationException(TransformationErrorCode.InvalidFragmentOverride, "Only fragment rule can override other fragment rules.", rule);
                }
            }
            if (casted.isWildcard() != rule.isWildcard()) {
                if (rule.isWildcard()) {
                    throw new TransformationException(TransformationErrorCode.InvalidFragmentOverride, "A wildcard fragment rule cannot override a typed fragment rule.", rule);
                } else {
                    throw new TransformationException(TransformationErrorCode.InvalidFragmentOverride, "Only wildcard fragment rules can override other wildcard fragments.", rule);
                }
            }
            if (rule.isFragment() && !rule.isWildcard() && parentRule.getType() != null) {
                if (rule.getType().getClassifier() != parentRule.getType().getClassifier()) {
                    throw new TransformationException(TransformationErrorCode.InvalidFragmentOverride, "Overriding fragment rules cannot redeclare their type.", rule.getType());
                }
            }
            checkParameterLists(rule, casted);
        }
        if (parentRule.getType() != null && parentRule != rule) {
            if (parentRule.getType().getClassifier() instanceof EDataType)
                throw new TransformationException(TransformationErrorCode.InvalidSupertype, "Cannot inherit from datatype rule and return another type.", rule.getType());
            EClassifierInfo parentTypeInfo = eClassifierInfos.getInfoOrNull(parentRule.getType());
            if (parentTypeInfo == null)
                throw new TransformationException(TransformationErrorCode.InvalidSupertype, "Cannot determine return type of overridden rule.", rule.getType());
            addSuperType(rule, rule.getType(), parentTypeInfo);
            return true;
        }
    }
    return false;
}

Example 38 with EDataType

use of org.eclipse.emf.ecore.EDataType in project BIMserver by opensourceBIM.

the class DatabaseSession method convertObjectToByteArray.

private ByteBuffer convertObjectToByteArray(IdEObject object, ByteBuffer buffer, PackageMetaData packageMetaData) throws BimserverDatabaseException {
    if (object.getUuid() == null) {
        throw new BimserverDatabaseException("UUID is required " + object.eClass().getName());
    }
    int bufferSize = getExactSize(object, packageMetaData, true);
    if (bufferSize > buffer.capacity()) {
        LOGGER.debug("Buffer too small (" + bufferSize + ")");
        buffer = ByteBuffer.allocate(bufferSize);
    }
    int unsettedLength = packageMetaData.getUnsettedLength(object.eClass());
    byte[] unsetted = new byte[unsettedLength];
    int fieldCounter = 0;
    for (EStructuralFeature feature : object.eClass().getEAllStructuralFeatures()) {
        if (packageMetaData.useForDatabaseStorage(object.eClass(), feature)) {
            if (useUnsetBit(feature, object)) {
                unsetted[fieldCounter / 8] |= (1 << (fieldCounter % 8));
            }
            fieldCounter++;
        }
    }
    buffer.put(unsetted);
    EClass eClass = getEClassForOid(object.getOid());
    if (!eClass.isSuperTypeOf(object.eClass())) {
        throw new BimserverDatabaseException("Object with oid " + object.getOid() + " is a " + object.eClass().getName() + " but it's cid-part says it's a " + eClass.getName());
    }
    buffer.putLong(object.getUuid().getMostSignificantBits());
    buffer.putLong(object.getUuid().getLeastSignificantBits());
    for (EStructuralFeature feature : object.eClass().getEAllStructuralFeatures()) {
        if (packageMetaData.useForDatabaseStorage(object.eClass(), feature)) {
            if (!useUnsetBit(feature, object)) {
                if (feature.isMany()) {
                    writeList(object, buffer, packageMetaData, feature);
                } else {
                    Object value = object.eGet(feature);
                    if (feature.getEType() instanceof EEnum) {
                        if (value == null) {
                            buffer.putInt(-1);
                        } else {
                            EEnum eEnum = (EEnum) feature.getEType();
                            EEnumLiteral eEnumLiteral = eEnum.getEEnumLiteralByLiteral(((Enum<?>) value).toString());
                            if (eEnumLiteral != null) {
                                buffer.putInt(eEnumLiteral.getValue());
                            } else {
                                LOGGER.error(((Enum<?>) value).toString() + " not found");
                                buffer.putInt(-1);
                            }
                        }
                    } else if (feature.getEType() instanceof EClass) {
                        if (value == null) {
                            buffer.order(ByteOrder.LITTLE_ENDIAN);
                            buffer.putShort((short) -1);
                            buffer.order(ByteOrder.BIG_ENDIAN);
                        } else {
                            IdEObject referencedObject = (IdEObject) value;
                            EClass referencedClass = referencedObject.eClass();
                            if (feature.getEAnnotation("dbembed") != null) {
                                writeEmbeddedValue(object.getPid(), object.getRid(), value, buffer, packageMetaData);
                            } else if (referencedClass.getEAnnotation("wrapped") != null) {
                                writeWrappedValue(object.getPid(), object.getRid(), value, buffer, packageMetaData);
                            } else {
                                writeReference(object, value, buffer, feature);
                            }
                        }
                    } else if (feature.getEType() instanceof EDataType) {
                        writePrimitiveValue(feature, value, buffer);
                    }
                }
            }
        }
    }
    if (buffer.position() != bufferSize) {
        throw new BimserverDatabaseException("Value buffer sizes do not match for " + object.eClass().getName() + " " + buffer.position() + "/" + bufferSize);
    }
    return buffer;
}

Example 39 with EDataType

use of org.eclipse.emf.ecore.EDataType in project BIMserver by opensourceBIM.

the class DatabaseSession method convertByteArrayToObject.

@SuppressWarnings({ "unused" })
private IdEObject convertByteArrayToObject(IdEObject idEObject, EClass originalQueryClass, EClass eClass, long oid, ByteBuffer buffer, IfcModelInterface model, int rid, QueryInterface query, TodoList todoList) throws BimserverDatabaseException {
    try {
        if (idEObject == null) {
            idEObject = createInternal(eClass, query);
            ((IdEObjectImpl) idEObject).setOid(oid);
            ((IdEObjectImpl) idEObject).setPid(query.getPid());
            if (rid == Integer.MAX_VALUE) {
                throw new BimserverDatabaseException("Database corrupt, rid cannot be " + Integer.MAX_VALUE);
            }
        }
        if (idEObject.eClass().getEAnnotation("wrapped") == null) {
            try {
                model.addAllowMultiModel(oid, idEObject);
            } catch (IfcModelInterfaceException e) {
                throw new BimserverDatabaseException(e);
            }
        }
        ((IdEObjectImpl) idEObject).setRid(rid);
        ((IdEObjectImpl) idEObject).useInverses(false);
        if (DEVELOPER_DEBUG && StorePackage.eINSTANCE == idEObject.eClass().getEPackage()) {
            LOGGER.info("Read: " + idEObject.eClass().getName() + " pid=" + query.getPid() + " oid=" + oid + " rid=" + rid);
        }
        ((IdEObjectImpl) idEObject).setLoadingState(State.LOADING);
        objectCache.put(oid, idEObject);
        int unsettedLength = model.getPackageMetaData().getUnsettedLength(eClass);
        byte[] unsetted = new byte[unsettedLength];
        buffer.get(unsetted);
        int fieldCounter = 0;
        ((IdEObjectImpl) idEObject).setUuid(new UUID(buffer.getLong(), buffer.getLong()));
        for (EStructuralFeature feature : eClass.getEAllStructuralFeatures()) {
            try {
                if (model.getPackageMetaData().useForDatabaseStorage(eClass, feature)) {
                    boolean isUnsetted = (unsetted[fieldCounter / 8] & (1 << (fieldCounter % 8))) != 0;
                    if (isUnsetted) {
                        if (feature.isUnsettable()) {
                            idEObject.eUnset(feature);
                        } else if (feature.isMany()) {
                        // do nothing
                        } else if (feature.getDefaultValue() != null) {
                            idEObject.eSet(feature, feature.getDefaultValue());
                        }
                    } else {
                        if (false) {
                            // we have to do some reading to maintain a correct
                            // index
                            fakeRead(buffer, feature);
                        } else {
                            Object newValue = null;
                            if (feature.isMany()) {
                                newValue = readList(idEObject, originalQueryClass, buffer, model, query, todoList, feature);
                            } else {
                                if (feature.getEType() instanceof EEnum) {
                                    int enumOrdinal = buffer.getInt();
                                    if (enumOrdinal == -1) {
                                        newValue = null;
                                    } else {
                                        EClassifier eType = feature.getEType();
                                        EEnumLiteral enumLiteral = ((EEnumImpl) eType).getEEnumLiteral(enumOrdinal);
                                        if (enumLiteral != null) {
                                            newValue = enumLiteral.getInstance();
                                        }
                                    }
                                } else if (feature.getEType() instanceof EClass) {
                                    // EReference eReference = (EReference) feature;
                                    buffer.order(ByteOrder.LITTLE_ENDIAN);
                                    short cid = buffer.getShort();
                                    buffer.order(ByteOrder.BIG_ENDIAN);
                                    if (cid == -1) {
                                    // null, do nothing
                                    } else if (cid < 0) {
                                        // non minus one and negative cid means value is embedded in record
                                        EClass referenceClass = database.getEClassForCid((short) (-cid));
                                        if (feature.getEAnnotation("dbembed") != null) {
                                            newValue = readEmbeddedValue(feature, buffer, referenceClass, query);
                                        } else {
                                            newValue = readWrappedValue(feature, buffer, referenceClass, query);
                                        }
                                    } else if (cid > 0) {
                                        // positive cid means value is reference to other record
                                        EClass referenceClass = database.getEClassForCid(cid);
                                        if (referenceClass == null) {
                                            throw new BimserverDatabaseException("No eClass found for cid " + cid);
                                        }
                                        // readReference is going to read a long, which includes the 2 bytes for the cid
                                        buffer.position(buffer.position() - 2);
                                        newValue = readReference(originalQueryClass, buffer, model, idEObject, feature, referenceClass, query, todoList);
                                    // if (eReference.getEOpposite() != null &&
                                    // ((IdEObjectImpl)
                                    // newValue).isLoadedOrLoading()) {
                                    // newValue = null;
                                    // }
                                    }
                                } else if (feature.getEType() instanceof EDataType) {
                                    newValue = readPrimitiveValue(feature.getEType(), buffer, query);
                                }
                            }
                            if (newValue != null) {
                                idEObject.eSet(feature, newValue);
                            }
                        }
                    }
                    fieldCounter++;
                }
            } catch (StringIndexOutOfBoundsException e) {
                throw new BimserverDatabaseException("Reading " + eClass.getName() + "(" + oid + ")." + feature.getName(), e);
            } catch (BufferUnderflowException e) {
                throw new BimserverDatabaseException("Reading " + eClass.getName() + "(" + oid + ")." + feature.getName(), e);
            } catch (BufferOverflowException e) {
                throw new BimserverDatabaseException("Reading " + eClass.getName() + "(" + oid + ")." + feature.getName(), e);
            }
        }
        ((IdEObjectImpl) idEObject).setLoaded();
        ((IdEObjectImpl) idEObject).useInverses(true);
        if (DEVELOPER_DEBUG && idEObject.getRid() > 100000 || idEObject.getRid() < -100000) {
            LOGGER.debug("Improbable rid " + idEObject.getRid() + " - " + idEObject);
        }
        return idEObject;
    } catch (BufferUnderflowException e) {
        throw new BimserverDatabaseException("Reading " + eClass.getName(), e);
    } catch (BufferOverflowException e) {
        throw new BimserverDatabaseException("Reading " + eClass.getName(), e);
    }
}

Example 40 with EDataType

use of org.eclipse.emf.ecore.EDataType in project BIMserver by opensourceBIM.

the class DatabaseSession method getWrappedValueSize.

private int getWrappedValueSize(Object val, EReference eReference, PackageMetaData packageMetaData) {
    if (val == null) {
        return 2;
    }
    if (val instanceof EObject) {
        IdEObject eObject = (IdEObject) val;
        if (eReference.getEAnnotation("twodimensionalarray") != null) {
            int refSize = 4;
            EStructuralFeature eStructuralFeature = eObject.eClass().getEStructuralFeature("List");
            List<?> l = (List<?>) eObject.eGet(eStructuralFeature);
            for (Object o : l) {
                if (o instanceof EObject) {
                    refSize += getWrappedValueSize(o, (EReference) eStructuralFeature, packageMetaData);
                } else {
                    refSize += getPrimitiveSize((EDataType) eStructuralFeature.getEType(), o);
                }
            }
            return refSize;
        } else if (eReference.getEAnnotation("dbembed") != null) {
            int refSize = 2;
            refSize += getExactSize(eObject, packageMetaData, false);
            return refSize;
        } else if (eObject.eClass().getEAnnotation("wrapped") != null) {
            IdEObject wrappedValue = (IdEObject) val;
            EStructuralFeature wrappedValueFeature = wrappedValue.eClass().getEStructuralFeature("wrappedValue");
            Object wrappedVal = eObject.eGet(wrappedValueFeature);
            int refSize = 2 + getPrimitiveSize((EDataType) wrappedValueFeature.getEType(), wrappedVal);
            if (wrappedValueFeature.getEType() == EcorePackage.eINSTANCE.getEDouble() || wrappedValueFeature.getEType() == EcorePackage.eINSTANCE.getEDoubleObject()) {
                EStructuralFeature wrappedStringFeature = wrappedValue.eClass().getEStructuralFeature("wrappedValueAsString");
                String str = (String) eObject.eGet(wrappedStringFeature);
                refSize += getPrimitiveSize(EcorePackage.eINSTANCE.getEString(), str);
            }
            return refSize;
        } else {
            return 8;
        }
    } else {
        throw new RuntimeException("Programming error, cannot happen");
    }
}