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Fixed storage so that it copies fields from the entire object hierarchy

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nathan 2014-08-22 01:49:31 +02:00
parent d1fb857cc0
commit 9dfe590a80
1 changed files with 43 additions and 34 deletions
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19
Dorkbox-Util/src/dorkbox/util/Storage.java
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@ -25,8 +25,6 @@ import com.esotericsoftware.kryo.io.Output;
* Nothing spectacular about this storage -- it allows for persistent storage of objects to disk.
*/
public class Storage {
// TODO: add snappy compression to storage objects??
private static final Logger logger = LoggerFactory.getLogger(Storage.class);
private static Map<File, Storage> storages = new HashMap<File, Storage>(1);
@ -49,7 +47,6 @@ public class Storage {
throw new IllegalArgumentException("loadIntoObject cannot be null!");
}
// if we load from a NEW storage at the same location as an ALREADY EXISTING storage,
// without saving the existing storage first --- whoops!
synchronized (storages) {
@ -76,7 +73,7 @@ public class Storage {
storage.objectReference = new WeakReference(loadIntoObject);
}
if (source != null) {
if (source != null && source != orig) {
copyFields(source, loadIntoObject);
}
}
@ -294,7 +291,15 @@ public class Storage {
private static void copyFields(Object source, Object dest) {
Class<? extends Object> sourceClass = source.getClass();
Field[] destFields = dest.getClass().getDeclaredFields();
Class<? extends Object> destClass = dest.getClass();
if (sourceClass != destClass) {
throw new IllegalArgumentException("Source and Dest objects are not of the same class!");
}
// have to walk up the object hierarchy.
while (destClass != Object.class) {
Field[] destFields = destClass.getDeclaredFields();
for (Field destField : destFields) {
String name = destField.getName();
@ -334,6 +339,10 @@ public class Storage {
logger.error("Unable to copy field: {}", name, e);
}
}
destClass = destClass.getSuperclass();
sourceClass = sourceClass.getSuperclass();
}
}
public static void shutdown() {