public final void initialize(@NonNull final Realm realm) {
Contracts.requireNonNull(realm, "realm == null");
synchronized (_lock$maximumKeys) {
if (_initialized) {
throw new IllegalStateException(RealmIdGenerator.class + " is already initialized.");
}
final val maximumKeys = getMaximumKeys();
final val configuration = realm.getConfiguration();
final val realmSchema = realm.getSchema();
for (final val modelClass : configuration.getRealmObjectClasses()) {
final val objectSchema = realmSchema.get(modelClass.getSimpleName());
if (objectSchema.hasPrimaryKey()) {
final val primaryKeyField = objectSchema.getPrimaryKey();
final val primaryKey = realm.where(modelClass).max(primaryKeyField);
final long primaryKeyValue;
if (primaryKey != null) {
primaryKeyValue = primaryKey.longValue();
} else {
primaryKeyValue = 0L;
}
maximumKeys.put(modelClass, new AtomicLong(primaryKeyValue));
}
}
_initialized = true;
}
}
/**
* Sets a reference to another object on the given field.
*
* @param fieldName the field name.
* @param value the object to link to.
* @throws IllegalArgumentException if field name doesn't exists, it doesn't link to other Realm
* objects, or the type of DynamicRealmObject doesn't match.
*/
public void setObject(String fieldName, DynamicRealmObject value) {
long columnIndex = row.getColumnIndex(fieldName);
if (value == null) {
row.nullifyLink(columnIndex);
} else {
if (value.realm == null || value.row == null) {
throw new IllegalArgumentException(
"Cannot link to objects that are not part of the Realm.");
}
if (!realm.getConfiguration().equals(value.realm.getConfiguration())) {
throw new IllegalArgumentException("Cannot add an object from another Realm");
}
Table table = row.getTable();
Table inputTable = value.row.getTable();
if (!table.hasSameSchema(inputTable)) {
throw new IllegalArgumentException(
String.format(
"Type of object is wrong. Was %s, expected %s",
inputTable.getName(), table.getName()));
}
row.setLink(columnIndex, value.row.getIndex());
}
}