/**
* Sets the {@link PrimaryKey} field of the specified {@link Resource} instance.
*
* @param resource to set primary key of
* @param value to set primary key to
* @throws ResourceException
*/
public static void setPrimaryKey(Resource resource, Object value) throws ResourceException {
try {
getPrimaryKeyField(resource.getClass()).set(resource, value);
} catch (IllegalAccessException e) {
throw new ResourceException(e);
}
}
/**
* Returns the {@link PrimaryKey} of the specified {@link Resource} instance.
*
* @param resource to get pk of
* @return primary key
* @throws ResourceException
*/
public static Object getPrimaryKey(Resource resource) throws ResourceException {
try {
return getPrimaryKeyField(resource.getClass()).get(resource);
} catch (IllegalAccessException e) {
throw new ResourceException(e);
}
}
/**
* Put's the specified {@link Resource}'s non-null fields into a map and returns the result.
*
* @param resource to build parameters map for
* @return parameter map
* @throws IllegalAccessException
*/
public static Map<String, Object> getParameters(@NotNull Resource resource)
throws IllegalAccessException {
Class<?> clazz = resource.getClass();
Field[] fields = clazz.getFields();
Map<String, Object> params = new HashMap<>();
for (Field field : fields) {
Object value = field.get(resource);
if (isResourceField(field) && value != null) params.put(field.getName(), value);
}
return params;
}