/**
* Create an OEntityKey instance for the specified entity id
*
* @param edmDataServices edmDataServices
* @param entity Entity set name
* @param id Id
* @return An OEntityKey instance
* @throws Exception Error creating key
*/
public static OEntityKey createEntityKey(
EdmDataServices edmDataServices, String entitySetName, String id) throws Exception {
// Lookup type of entity key (simple keys only)
String keyType = null;
EdmEntitySet entitySet = edmDataServices.getEdmEntitySet(entitySetName);
if (entitySet != null) {
EdmEntityType entityType = entitySet.getType();
List<String> keys = entityType.getKeys();
if (keys.size() == 1) {
EdmProperty prop = entityType.findDeclaredProperty(keys.get(0));
if (prop != null && prop.getType() != null) {
keyType = prop.getType().getFullyQualifiedTypeName();
}
}
}
assert (keyType != null) : "Should not be possible to get this far and find no key type";
// Create an entity key
OEntityKey key = null;
try {
if (keyType.equals("Edm.Int64")) {
key = OEntityKey.parse(id);
} else if (keyType.equals("Edm.Int32")) {
key = OEntityKey.parse(id);
} else if (keyType.equals("Edm.DateTime")) {
key = OEntityKey.parse(id);
} else if (keyType.equals("Edm.Time")) {
key = OEntityKey.parse(id);
} else if (keyType.equals("Edm.String")) {
key = OEntityKey.parse(id);
}
} catch (Exception e) {
logger.warn(
"Entity key type "
+ keyType
+ " is not supported by CommandHelper, trying OEntityKey.parse");
}
// could not parse the key, have one last attempt with OEntityKey create
if (key == null) {
try {
if (keyType.equals("Edm.Int64")) {
key = OEntityKey.create(Long.parseLong(id));
} else if (keyType.equals("Edm.Int32")) {
key = OEntityKey.create(Integer.parseInt(id));
} else {
key = OEntityKey.create(id);
}
} catch (Exception e) {
logger.error("OEntityKey.parse failed to parse id [" + id + "]");
}
}
if (key == null) throw new Exception("Entity key type " + id + " is not supported.");
return key;
}
