Java PropertyMethod.getAnnotation方法代碼示例

import com.buschmais.xo.spi.reflection.PropertyMethod; //導入方法依賴的package包/類
@Override
   public DuctileIndexedPropertyMetadata createIndexedPropertyMetadata(PropertyMethod propertyMethod) {
Property property = propertyMethod.getAnnotationOfProperty(Property.class);
String name = property != null ? property.value() : propertyMethod.getName();
Class<?> declaringClass = propertyMethod.getAnnotatedElement().getDeclaringClass();
Class<? extends Element> type = null;
if (declaringClass.getAnnotation(VertexDefinition.class) != null) {
    type = DuctileVertex.class;
} else if (declaringClass.getAnnotation(EdgeDefinition.class) != null) {
    type = DuctileEdge.class;
} else {
    throw new XOException("Property '" + name
	    + "' was found with index annotation, but the declaring type is neither a vertex nor an edge.");
}
Indexed indexedAnnotation = propertyMethod.getAnnotation(Indexed.class);
boolean unique = indexedAnnotation.unique();
Class<?> dataType = propertyMethod.getType();
if (Serializable.class.isAssignableFrom(dataType)) {
    @SuppressWarnings("unchecked")
    Class<? extends Serializable> serializableDataType = (Class<? extends Serializable>) dataType;
    return new DuctileIndexedPropertyMetadata(name, unique, serializableDataType, type);
} else {
    throw new XOException("Illegal data type '" + dataType.getName() + "' found. Type is not serializable.");
}
   }
 

import com.buschmais.xo.spi.reflection.PropertyMethod; //導入方法依賴的package包/類
@Override
   public TitanIndexedPropertyMetadata createIndexedPropertyMetadata(
    PropertyMethod propertyMethod) {
Property property = propertyMethod
	.getAnnotationOfProperty(Property.class);
String name = property != null ? property.value() : propertyMethod
	.getName();
Class<?> declaringClass = propertyMethod.getAnnotatedElement()
	.getDeclaringClass();
Class<? extends Element> type = null;
if (declaringClass.getAnnotation(VertexDefinition.class) != null) {
    type = Vertex.class;
} else if (declaringClass.getAnnotation(EdgeDefinition.class) != null) {
    type = Edge.class;
} else {
    throw new XOException(
	    "Property '"
		    + name
		    + "' was found with index annotation, but the declaring type is neither a vertex nor an edge.");
}
Indexed indexedAnnotation = propertyMethod.getAnnotation(Indexed.class);
boolean unique = indexedAnnotation.unique();
Class<?> dataType = propertyMethod.getType();
return new TitanIndexedPropertyMetadata(name, unique, dataType, type);
   }
 

import com.buschmais.xo.spi.reflection.PropertyMethod; //導入方法依賴的package包/類
/**
    * This method is a helper method to extract the edge direction from a
    * {@link PropertyMethod}.
    * 
    * @param propertyMethod
    *            is the {@link PropertyMethod} object which represents the
    *            method for which the edge direction is to be checked.
    * @return A {@link EdgeDirection} object is returned containing the
    *         direction of the edge.
    */
   private static EdgeDirection determineEdgeDirection(PropertyMethod propertyMethod) {
Outgoing outgoingAnnotation = propertyMethod.getAnnotation(Outgoing.class);
Incoming incomingAnnotation = propertyMethod.getAnnotation(Incoming.class);
if ((outgoingAnnotation != null) && (incomingAnnotation != null)) {
    return EdgeDirection.BOTH;
} else if (incomingAnnotation != null) {
    return EdgeDirection.IN;
} else {
    return EdgeDirection.OUT;
}
   }
 

import com.buschmais.xo.spi.reflection.PropertyMethod; //導入方法依賴的package包/類
/**
    * This method is a helper method to extract the edge direction from a
    * {@link PropertyMethod}.
    * 
    * @param propertyMethod
    *            is the {@link PropertyMethod} object which represents the
    *            method for which the edge direction is to be checked.
    * @return A {@link Direction} object is returned containing the direction
    *         of the edge.
    */
   private static Direction determineEdgeDirection(
    PropertyMethod propertyMethod) {
Outgoing outgoingAnnotation = propertyMethod
	.getAnnotation(Outgoing.class);
Incoming incomingAnnotation = propertyMethod
	.getAnnotation(Incoming.class);
if ((outgoingAnnotation != null) && (incomingAnnotation != null)) {
    return Direction.BOTH;
} else if (incomingAnnotation != null) {
    return Direction.IN;
} else {
    return Direction.OUT;
}
   }
 

import com.buschmais.xo.spi.reflection.PropertyMethod; //導入方法依賴的package包/類
@Override
public IndexedPropertyMetadata createIndexedPropertyMetadata(PropertyMethod propertyMethod) {
    Indexed indexed = propertyMethod.getAnnotation(Indexed.class);
    return new IndexedPropertyMetadata(indexed.create(), indexed.unique());
}