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authorBrian S. O'Neill <bronee@gmail.com>2011-01-03 18:10:28 +0000
committerBrian S. O'Neill <bronee@gmail.com>2011-01-03 18:10:28 +0000
commit9af8c1b1bf278c4895913ca2c944ee862cc8adf7 (patch)
tree084d6bce2f432b1f0d7fa53e0cf1f8e1fa403e16 /src
parent78d7662c467242277788d44a26d254707f19ae77 (diff)
Support serialization of corrupt storable.
Diffstat (limited to 'src')
-rw-r--r--src/main/java/com/amazon/carbonado/CorruptEncodingException.java46
1 files changed, 43 insertions, 3 deletions
diff --git a/src/main/java/com/amazon/carbonado/CorruptEncodingException.java b/src/main/java/com/amazon/carbonado/CorruptEncodingException.java
index 60a22ac..29334b8 100644
--- a/src/main/java/com/amazon/carbonado/CorruptEncodingException.java
+++ b/src/main/java/com/amazon/carbonado/CorruptEncodingException.java
@@ -18,6 +18,12 @@
package com.amazon.carbonado;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
+import com.amazon.carbonado.repo.map.MapRepositoryBuilder;
+
/**
* A CorruptEncodingException is caused when decoding an encoded record fails.
*
@@ -25,7 +31,7 @@ package com.amazon.carbonado;
*/
public class CorruptEncodingException extends FetchException {
- private static final long serialVersionUID = 4543503149683482362L;
+ private static final long serialVersionUID = 2L;
private transient Storable mStorable;
@@ -66,8 +72,10 @@ public class CorruptEncodingException extends FetchException {
}
/**
- * If the decoder was able to extract the primary key, it will be available
- * in the returned Storable.
+ * If the decoder was able to extract the primary key, it will be available in the
+ * returned Storable. If this exception was re-constructed through serialization, then
+ * the Storable is as well. As a result, it won't be bound to any Repository and
+ * updating it will have no effect.
*
* @return partial Storable with primary key defined, or null if unable to
* decode the key
@@ -86,4 +94,36 @@ public class CorruptEncodingException extends FetchException {
return message;
}
+
+ // Serialization of corrupt Storable assumes that primary key endoding of client and
+ // server is identical. Linking into the actual repository is a bit trickier.
+
+ private void writeObject(ObjectOutputStream out) throws IOException {
+ Storable s = mStorable;
+ if (s == null) {
+ out.write(0);
+ } else {
+ out.write(1);
+ out.writeObject(s.storableType());
+ try {
+ s.writeTo(out);
+ } catch (SupportException e) {
+ throw new IOException(e);
+ }
+ }
+ }
+
+ private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
+ int h = in.read();
+ if (h == 1) {
+ try {
+ Class<? extends Storable> type = (Class) in.readObject();
+ Storable s = MapRepositoryBuilder.newRepository().storageFor(type).prepare();
+ s.readFrom(in);
+ mStorable = s;
+ } catch (RepositoryException e) {
+ throw new IOException(e);
+ }
+ }
+ }
}