bvaradar commented on a change in pull request #600: Timeline Service with
Incremental View Syncing support
URL: https://github.com/apache/incubator-hudi/pull/600#discussion_r276859556
##########
File path:
hoodie-common/src/main/java/com/uber/hoodie/common/util/collection/DiskBasedMap.java
##########
@@ -155,16 +166,39 @@ public R get(Object key) {
if (entry == null) {
return null;
}
+ return get(entry);
+ }
+
+ private void close(RandomAccessFile file) {
+ if (file != null) {
+ try {
+ file.close();
+ } catch (IOException e) {
+ log.warn("Unable to close read pointer :", e);
+ }
+ }
+ }
+
+ private R get(ValueMetadata entry) {
+ RandomAccessFile file = getNewRandomAccessFile();
+ try {
+ return get(entry, file);
+ } finally {
+ close(file);
+ }
+ }
+
+ public static <R> R get(ValueMetadata entry, RandomAccessFile file) {
try {
- return SerializationUtils.<R>deserialize(SpillableMapUtils
- .readBytesFromDisk(readOnlyFileHandle, entry.getOffsetOfValue(),
entry.getSizeOfValue()));
+ return
SerializationUtils.deserialize(SpillableMapUtils.readBytesFromDisk(file,
+ entry.getOffsetOfValue(), entry.getSizeOfValue()));
} catch (IOException e) {
throw new HoodieIOException("Unable to readFromDisk Hoodie Record from
disk", e);
}
}
@Override
- public R put(T key, R value) {
+ public synchronized R put(T key, R value) {
Review comment:
This required synchronization because of single writer guarantee
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