org.eclipse.emf.ecore.EStructuralFeature.isMany java code examples

Common ways to obtain EStructuralFeature

private void myMethod () {
 EStructuralFeature e =ItemProviderAdapter zuper;zuper.getChildFeature(object, child)
EClass eClass;String featureName;eClass.getEStructuralFeature(featureName)
FeatureMap.Entry entry;entry.getEStructuralFeature()
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}

  @SuppressWarnings({ "rawtypes", "unchecked" })
  public void apply(IdEObject value) {
    if (eStructuralFeature.isMany()) {
      List list = (List)newObject.eGet(eStructuralFeature);
      list.add(value);
    } else {
      newObject.eSet(eStructuralFeature, value);
    }
  }
}

public static String makeSetter(EStructuralFeature eStructuralFeature) {
  StringBuilder sb = new StringBuilder();
  sb.append("set" + firstLetterUpperCase(eStructuralFeature.getName()));
  if (eStructuralFeature instanceof EReference && !eStructuralFeature.isMany() && eStructuralFeature.getEAnnotation("embedsreference") == null) {
    sb.append("Id");
  }
  return sb.toString();
}

public static String makeGetter(EStructuralFeature eStructuralFeature) {
  StringBuilder sb = new StringBuilder();
  if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE.getEBoolean()) {
    sb.append("is");
  } else {
    sb.append("get");
  }
  sb.append(firstLetterUpperCase(eStructuralFeature.getName()));
  if (eStructuralFeature instanceof EReference && !eStructuralFeature.isMany() && eStructuralFeature.getEAnnotation("embedsreference") == null) {
    sb.append("Id");
  }
  return sb.toString();
}

private boolean useUnsetBit(EStructuralFeature feature, IdEObject object) {
  // TODO non-unsettable boolean values can also be stored in these bits
  Object value = object.eGet(feature);
  if (feature.isUnsettable()) {
    if (!object.eIsSet(feature)) {
      return true;
    }
    if (feature.isMany() && ((List<?>)value).isEmpty()) {
      return true;
    }
  } else {
    if (feature.isMany() && ((List<?>)value).isEmpty()) {
      return true;
    }
    if (feature.getDefaultValue() == value || (feature.getDefaultValue() != null && feature.getDefaultValue().equals(value))) {
      return true;
    }
  }
  return false;
}

public void eUnset(EStructuralFeature feature) throws BimserverDatabaseException {
  if (useUnsetBit(feature)) {
    int pos = featureCounter / 8;
    byte b = buffer.get(pos);
    b |= (1 << (featureCounter % 8));
    buffer.put(pos, b);
  } else {
    if (feature instanceof EReference) {
      if (feature.isMany()) {
        ensureCapacity(buffer.position(), 4);
        buffer.putInt(0);
      } else {
        ensureCapacity(buffer.position(), 2);
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        buffer.putShort((short)-1);
        buffer.order(ByteOrder.BIG_ENDIAN);
      }
    } else if (feature.getEType() instanceof EEnum) {
      writeEnum(feature, null);
    } else {
      writePrimitiveValue(feature, null);
    }
  }
  incrementFeatureCounter(feature);
}

  public void setAttribute(EStructuralFeature feature, Object value) throws BimserverDatabaseException {
    if (feature.isMany()) {
      throw new UnsupportedOperationException("Feature isMany not supported by setAttribute");
    } else {
      if (feature.getEType() instanceof EEnum) {
        writeEnum(feature, value);
      } else if (feature.getEType() instanceof EClass) {
        if (value == null) {
          ensureCapacity(buffer.position(), 2);
          buffer.order(ByteOrder.LITTLE_ENDIAN);
          buffer.putShort((short) -1);
          buffer.order(ByteOrder.BIG_ENDIAN);
        } else if (value instanceof WrappedVirtualObject) {
          ByteBuffer otherBuffer = ((WrappedVirtualObject) value).write();
          ensureCapacity(buffer.position(), otherBuffer.position());
          buffer.put(otherBuffer.array(), 0, otherBuffer.position());
//                    writeWrappedValue(getPid(), getRid(), (WrappedVirtualObject) value, getPackageMetaData());
        } else {
          throw new UnsupportedOperationException("??");
        }
      } else if (feature.getEType() instanceof EDataType) {
        writePrimitiveValue(feature, value);
      }
    }
    incrementFeatureCounter(feature);
  }

@Override
public int getSize() {
  int size = 2;
  for (EStructuralFeature eStructuralFeature : map.keySet()) {
    Object val = map.get(eStructuralFeature);
    if (eStructuralFeature.isMany()) {
      size += 4;
      List list = (List)val;
      for (Object o : list) {
        if (o instanceof HashMapWrappedVirtualObject) {
          size += ((HashMapWrappedVirtualObject) o).getSize();
        } else {
          throw new UnsupportedOperationException();
        }
      }
    } else {
      if (eStructuralFeature.getEType() instanceof EDataType) {
        size += getPrimitiveSize((EDataType) eStructuralFeature.getEType(), val);
      } else {
        size += ((HashMapWrappedVirtualObject)val).getSize();
      }
    }
  }
  return size;
}

private boolean useUnsetBit(EStructuralFeature feature) {
  // TODO non-unsettable boolean values can also be stored in these bits
  Object value = eGet(feature);
  if (feature.isUnsettable()) {
    if (!eIsSet(feature)) {
      return true;
    }
  } else {
    if (feature.isMany() && (value == null || ((List<?>)value).isEmpty())) {
      return true;
    }
    if (feature.getDefaultValue() == value || (feature.getDefaultValue() != null && feature.getDefaultValue().equals(value))) {
      return true;
    }
  }
  return false;
}

private boolean useUnsetBit(EStructuralFeature feature) {
  // TODO non-unsettable boolean values can also be stored in these bits
  if (feature.isUnsettable()) {
    return true;
  } else {
    if (feature.isMany()) {
      return true;
    }
    if (feature.getDefaultValue() == null || (feature.getDefaultValue() != null && feature.getDefaultValue() == null)) {
      return true;
    }
  }
  return false;
}

public void fakeRead(ByteBuffer buffer, EStructuralFeature feature) throws BimserverDatabaseException {
  boolean wrappedValue = feature.getEType().getEAnnotation("wrapped") != null;
  if (feature.isMany()) {
    if (feature.getEType() instanceof EEnum) {
    } else if (feature.getEType() instanceof EClass) {

private void writeWrappedValue(int pid, int rid, WrappedVirtualObject wrappedValue, ByteBuffer buffer, PackageMetaData packageMetaData) throws BimserverDatabaseException {
  Short cid = getDatabaseInterface().getCidOfEClass(wrappedValue.eClass());
  buffer.order(ByteOrder.LITTLE_ENDIAN);
  buffer.putShort((short) -cid);
  buffer.order(ByteOrder.BIG_ENDIAN);
  for (EStructuralFeature eStructuralFeature : wrappedValue.eClass().getEAllStructuralFeatures()) {
    Object val = wrappedValue.eGet(eStructuralFeature);
    if (eStructuralFeature.isMany()) {
      List list = (List)val;
      buffer.putInt(list.size());
      for (Object o : list) {
        if (o instanceof HashMapWrappedVirtualObject) {
          writeWrappedValue(pid, rid, (VirtualObject) o, buffer, packageMetaData);
        }
      }
    } else {
      if (eStructuralFeature.getEType() instanceof EDataType) {
        writePrimitiveValue(eStructuralFeature, val, buffer);
      } else {
        writeWrappedValue(pid, rid, (HashMapWrappedVirtualObject) val, buffer, packageMetaData);
      }
    }
  }
}

private void writeEmbeddedValue(int pid, int rid, Object value, ByteBuffer buffer, PackageMetaData packageMetaData) throws BimserverDatabaseException {
  IdEObject wrappedValue = (IdEObject) value;
  Short cid = database.getCidOfEClass(wrappedValue.eClass());
  buffer.order(ByteOrder.LITTLE_ENDIAN);
  buffer.putShort((short) -cid);
  buffer.order(ByteOrder.BIG_ENDIAN);
  
  for (EStructuralFeature eStructuralFeature : wrappedValue.eClass().getEAllStructuralFeatures()) {
    if (eStructuralFeature.isMany()) {
      writeList(wrappedValue, buffer, packageMetaData, eStructuralFeature);
    } else {
      Object val = wrappedValue.eGet(eStructuralFeature);
      if (eStructuralFeature.getEType() instanceof EClass) {
        writeEmbeddedValue(pid, rid, val, buffer, packageMetaData);
      } else {
        writePrimitiveValue(eStructuralFeature, val, buffer);
      }
    }
  }
}

Object sourceValue = sourceObject.eGet(eStructuralFeature);
if (eStructuralFeature instanceof EReference) {
  if (eStructuralFeature.isMany()) {
    List sourceList = (List) sourceValue;
    List targetList = (List) targetObject.eGet(eStructuralFeature);
  if (eStructuralFeature.isMany()) {
    List sourceList = (List) sourceValue;
    List targetList = (List) targetObject.eGet(eStructuralFeature);

private HashMapWrappedVirtualObject readEmbeddedValue(EStructuralFeature feature, ByteBuffer buffer, EClass eClass) throws BimserverDatabaseException {
  HashMapWrappedVirtualObject eObject = new HashMapWrappedVirtualObject(eClass);
  for (EStructuralFeature eStructuralFeature : eClass.getEAllStructuralFeatures()) {
    if (eStructuralFeature.isMany()) {
    } else {
      if (eStructuralFeature.getEType() instanceof EDataType) {
        Object primitiveValue = readPrimitiveValue(eStructuralFeature.getEType(), buffer);
        eObject.setAttribute(eStructuralFeature, primitiveValue);
      } else {
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        short cid = buffer.getShort();
        buffer.order(ByteOrder.BIG_ENDIAN);
        if (cid == -1) {
          // null, do nothing
        } else if (cid < 0) {
          // negative cid means value is embedded in
          // record
          EClass referenceClass = queryObjectProvider.getDatabaseSession().getEClass((short) (-cid));
          eObject.setAttribute(eStructuralFeature, readEmbeddedValue(eStructuralFeature, buffer, referenceClass));
        }
      }
    }
  }
  return eObject;
}

private IdEObject readEmbeddedValue(EStructuralFeature feature, ByteBuffer buffer, EClass eClass, QueryInterface query) throws BimserverDatabaseException {
  IdEObject eObject = createInternal(eClass, query);
  for (EStructuralFeature eStructuralFeature : eClass.getEAllStructuralFeatures()) {
    if (eStructuralFeature.isMany()) {
      // Not implemented
    } else {
      if (eStructuralFeature.getEType() instanceof EDataType) {
        Object primitiveValue = readPrimitiveValue(eStructuralFeature.getEType(), buffer, query);
        ((IdEObjectImpl) eObject).setLoaded();
        eObject.eSet(eStructuralFeature, primitiveValue);
      } else {
        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));
          eObject.eSet(eStructuralFeature, readEmbeddedValue(eStructuralFeature, buffer, referenceClass, query));
        }
      }
    }
  }
  return eObject;
}

if (feature.isMany()) {
  if (nextToken == JsonToken.START_ARRAY) {
    EList values = new BasicEList();
if (feature.isMany() && nextToken == JsonToken.START_ARRAY) {
  EList values = new BasicEList();
  while (jp.nextToken() != JsonToken.END_ARRAY) {

if (feature.isMany()) {
  List<Object> childObjs = (List<Object>) eObj.eGet(feature);
  jg.writeFieldName(jsonKey);
if (feature.isMany()) {
  List<EObject> childObjs = (List<EObject>) eObj.eGet(feature);
  jg.writeFieldName(jsonKey);

protected EStructuralFeature.Internal.SettingDelegate eSettingDelegate(EStructuralFeature eFeature) {
  SettingDelegate eSettingDelegate = super.eSettingDelegate(eFeature);
  if (useInverses) {
    return eSettingDelegate;
  }
  if (eFeature instanceof EReference && ((EReference)eFeature).getEOpposite() != null) {
    // TODO cache/pre-generate the objects created in this block
    if (eFeature.isMany()) {
      if (eFeature.isUnsettable()) {
        return new InternalSettingDelegateMany(InternalSettingDelegateMany.EOBJECT_UNSETTABLE, eFeature);
      } else {
        return new InternalSettingDelegateMany(InternalSettingDelegateMany.EOBJECT, eFeature);
      }
    } else {
      if (eFeature.isUnsettable()) {
        return new InternalSettingDelegateSingleEObjectUnsettable((EClass) eFeature.getEType(), eFeature);
      } else {
        return new InternalSettingDelegateSingleEObject((EClass) eFeature.getEType(), eFeature);
      }
    }
  } else {
    return eSettingDelegate;
  }
}

public void updateNode(int expressId, EClass ec, VirtualObject eObject) throws DeserializeException, BimserverDatabaseException {
  for (WaitingVirtualObject waitingObject : waitingObjects.get(expressId)) {
    if (waitingObject.getStructuralFeature().isMany()) {
      ListWaitingVirtualObject listWaitingObject = (ListWaitingVirtualObject)waitingObject;
      if (((EClass) waitingObject.getStructuralFeature().getEType()).isSuperTypeOf(eObject.eClass())) {
        if (waitingObject instanceof TwoDimensionalListWaitingVirtualObject) {
          TwoDimensionalListWaitingVirtualObject twoDimensionalListWaitingVirtualObject = (TwoDimensionalListWaitingVirtualObject)waitingObject;
          ListCapableVirtualObject object2 = twoDimensionalListWaitingVirtualObject.getObject2();
          object2.setListItemReference(waitingObject.getStructuralFeature(), listWaitingObject.getIndex(), eObject.eClass(), eObject.getOid(), waitingObject.getBufferPosition());
        } else {
          waitingObject.getObject().setListItemReference(waitingObject.getStructuralFeature(), listWaitingObject.getIndex(), eObject.eClass(), eObject.getOid(), waitingObject.getBufferPosition());
        }
        decrementOpenConnections(waitingObject.getObject());
      } else {
        throw new DeserializeException(waitingObject.getLineNumber(), "Field " + waitingObject.getStructuralFeature().getName() + " of "
            + waitingObject.getStructuralFeature().getEContainingClass().getName() + " cannot contain a " + eObject.eClass().getName());
      }
    } else {
      if (((EClass) waitingObject.getStructuralFeature().getEType()).isSuperTypeOf(eObject.eClass())) {
        waitingObject.getObject().setReference(waitingObject.getStructuralFeature(), eObject.getOid(), waitingObject.getBufferPosition());
        decrementOpenConnections(waitingObject.getObject());
      } else {
        throw new DeserializeException(waitingObject.getLineNumber(), "Field " + waitingObject.getStructuralFeature().getName() + " of "
            + waitingObject.getStructuralFeature().getEContainingClass().getName() + " cannot contain a " + eObject.eClass().getName() + "/" + eObject.getOid());
      }
    }
  }
  waitingObjects.remove(expressId);
}

public static String getType(EStructuralFeature eStructuralFeature) {
  boolean embedsReference = eStructuralFeature.getEAnnotation("embedsreference") != null;
  EClassifier eType = eStructuralFeature.getEType();
  if (eStructuralFeature.isMany()) {
    if (eType instanceof EDataType) {
      if (eType == EcorePackage.eINSTANCE.getEString()) {

Popular methods of EStructuralFeature

getName
getEType
getEContainingClass
Returns the value of the 'EContaining Class' container reference. It is bidirectional and its opposi
isUnsettable
Returns the value of the 'Unsettable' attribute. An unsettable feature explicitly models the state o
isChangeable
Returns the value of the 'Changeable' attribute. The default value is "true".
isDerived
Returns the value of the 'Derived' attribute. A derived feature typically computes its value from th
isTransient
Returns the value of the 'Transient' attribute.
getDefaultValue
Returns the value of the 'Default Value' attribute. It represents the default value that feature mus
getUpperBound
getDefaultValueLiteral
Returns the value of the 'Default Value Literal' attribute. It represents the serialized form of the
getEGenericType
isUnique

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How to use isManymethodin org.eclipse.emf.ecore.EStructuralFeature

Best Java code snippets using org.eclipse.emf.ecore.EStructuralFeature.isMany (Showing top 20 results out of 576)

How to use
isMany
method
in
org.eclipse.emf.ecore.EStructuralFeature