[
https://issues.apache.org/jira/browse/APEXMALHAR-2501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16295124#comment-16295124
]
ASF GitHub Bot commented on APEXMALHAR-2501:
--------------------------------------------
vrozov closed pull request #626: APEXMALHAR-2501 Deprecate BufferSlice
URL: https://github.com/apache/apex-malhar/pull/626
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git
a/library/src/main/java/org/apache/apex/malhar/lib/state/managed/Bucket.java
b/library/src/main/java/org/apache/apex/malhar/lib/state/managed/Bucket.java
index 6292fe27bd..f3c7370449 100644
--- a/library/src/main/java/org/apache/apex/malhar/lib/state/managed/Bucket.java
+++ b/library/src/main/java/org/apache/apex/malhar/lib/state/managed/Bucket.java
@@ -34,7 +34,6 @@
import org.slf4j.LoggerFactory;
import org.apache.apex.malhar.lib.utils.serde.KeyValueByteStreamProvider;
-import org.apache.apex.malhar.lib.utils.serde.SliceUtils;
import org.apache.apex.malhar.lib.utils.serde.WindowedBlockStream;
import com.google.common.annotations.VisibleForTesting;
@@ -337,7 +336,6 @@ public Slice get(Slice key, long timeBucket, ReadSource
readSource)
{
// This call is lightweight
releaseMemory();
- key = SliceUtils.toBufferSlice(key);
switch (readSource) {
case MEMORY:
return getFromMemory(key);
@@ -417,8 +415,6 @@ public void put(Slice key, long timeBucket, Slice value)
{
// This call is lightweight
releaseMemory();
- key = SliceUtils.toBufferSlice(key);
- value = SliceUtils.toBufferSlice(value);
BucketedValue bucketedValue = flash.get(key);
if (bucketedValue == null) {
diff --git
a/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/SpillableMapImpl.java
b/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/SpillableMapImpl.java
index 56a3b0e948..8cc06df04f 100644
---
a/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/SpillableMapImpl.java
+++
b/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/SpillableMapImpl.java
@@ -29,7 +29,6 @@
import org.apache.apex.malhar.lib.state.managed.ManagedTimeUnifiedStateImpl;
import org.apache.apex.malhar.lib.state.managed.TimeExtractor;
import org.apache.apex.malhar.lib.utils.serde.AffixKeyValueSerdeManager;
-import org.apache.apex.malhar.lib.utils.serde.BufferSlice;
import org.apache.apex.malhar.lib.utils.serde.Serde;
import org.apache.hadoop.classification.InterfaceStability;
@@ -259,7 +258,7 @@ public void endWindow()
bucketId =
((ManagedTimeUnifiedStateImpl)store).getTimeBucketAssigner().getTimeBucket(timeOrBucketId);
}
keyValueSerdeManager.updateBuffersForBucketChange(bucketId);
- store.put(timeOrBucketId, keyValueSerdeManager.serializeDataKey(key,
true), BufferSlice.EMPTY_SLICE);
+ store.put(timeOrBucketId, keyValueSerdeManager.serializeDataKey(key,
true), new Slice(null, 0, 0));
}
cache.endWindow();
keyValueSerdeManager.resetReadBuffer();
diff --git
a/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/inmem/InMemSpillableStateStore.java
b/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/inmem/InMemSpillableStateStore.java
index 8acb04401d..76ebcc51e7 100644
---
a/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/inmem/InMemSpillableStateStore.java
+++
b/library/src/main/java/org/apache/apex/malhar/lib/state/spillable/inmem/InMemSpillableStateStore.java
@@ -25,8 +25,6 @@
import org.apache.apex.malhar.lib.state.managed.Bucket;
import org.apache.apex.malhar.lib.state.spillable.SpillableStateStore;
-import org.apache.apex.malhar.lib.utils.serde.BufferSlice;
-import org.apache.apex.malhar.lib.utils.serde.SliceUtils;
import org.apache.hadoop.classification.InterfaceStability;
import com.google.common.collect.Maps;
@@ -77,8 +75,6 @@ public void put(long bucketId, @NotNull Slice key, @NotNull
Slice value)
bucket = Maps.newHashMap();
store.put(bucketId, bucket);
}
- key = SliceUtils.toBufferSlice(key);
- value = SliceUtils.toBufferSlice(value);
bucket.put(key, value);
}
@@ -93,10 +89,6 @@ public Slice getSync(long bucketId, @NotNull Slice key)
store.put(bucketId, bucket);
}
- if (key.getClass() == Slice.class) {
- //The hashCode of Slice was not correct, so correct it
- key = new BufferSlice(key);
- }
return bucket.get(key);
}
diff --git
a/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/Block.java
b/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/Block.java
index 4b621d1049..27608ef5cf 100644
--- a/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/Block.java
+++ b/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/Block.java
@@ -156,12 +156,12 @@ public void moveLastObjectDataTo(Block newBlock)
*
* @return
*/
- public BufferSlice toSlice()
+ public Slice toSlice()
{
if (size == objectBeginOffset) {
throw new RuntimeException("data size is zero.");
}
- BufferSlice slice = new BufferSlice(buffer, objectBeginOffset, size -
objectBeginOffset);
+ Slice slice = new Slice(buffer, objectBeginOffset, size -
objectBeginOffset);
//prepare for next object
objectBeginOffset = size;
exposedSlices = true;
diff --git
a/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/BufferSlice.java
b/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/BufferSlice.java
index 237115a20a..82c2c40906 100644
---
a/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/BufferSlice.java
+++
b/library/src/main/java/org/apache/apex/malhar/lib/utils/serde/BufferSlice.java
@@ -31,6 +31,7 @@
*
* @since 3.6.0
*/
+@Deprecated
public class BufferSlice extends Slice
{
private static final long serialVersionUID = -471209532589983329L;
diff --git a/library/src/test/java/com/datatorrent/lib/util/TestUtils.java
b/library/src/test/java/com/datatorrent/lib/util/TestUtils.java
index 92937a9bae..403072df0e 100644
--- a/library/src/test/java/com/datatorrent/lib/util/TestUtils.java
+++ b/library/src/test/java/com/datatorrent/lib/util/TestUtils.java
@@ -24,7 +24,6 @@
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
-import org.apache.apex.malhar.lib.utils.serde.BufferSlice;
import org.apache.commons.io.FileUtils;
import com.google.common.base.Preconditions;
@@ -58,7 +57,7 @@
public static Slice getSlice(int val)
{
- return new BufferSlice(getBytes(val));
+ return new Slice(getBytes(val));
}
public static class TestInfo extends TestWatcher
diff --git
a/library/src/test/java/org/apache/apex/malhar/lib/state/managed/ManagedStateTestUtils.java
b/library/src/test/java/org/apache/apex/malhar/lib/state/managed/ManagedStateTestUtils.java
index 393a3a8fc9..a81031afcd 100644
---
a/library/src/test/java/org/apache/apex/malhar/lib/state/managed/ManagedStateTestUtils.java
+++
b/library/src/test/java/org/apache/apex/malhar/lib/state/managed/ManagedStateTestUtils.java
@@ -28,7 +28,6 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import org.apache.apex.malhar.lib.utils.serde.BufferSlice;
import org.apache.hadoop.fs.LocatedFileStatus;
import org.apache.hadoop.fs.RemoteIterator;
@@ -130,6 +129,6 @@ public static OperatorContext getOperatorContext(int
operatorId)
public static Slice getSliceFor(String x)
{
- return new BufferSlice(x.getBytes());
+ return new Slice(x.getBytes());
}
}
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> Deprecate BufferSlice
> ---------------------
>
> Key: APEXMALHAR-2501
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2501
> Project: Apache Apex Malhar
> Issue Type: Improvement
> Reporter: Vlad Rozov
> Priority: Minor
>
> BufferSlice was introduced to workaround incorrect Slice.hashCode()
> implementation in older versions of netlet. The issue is fixed in netlet
> 1.3.0 and it is not necessary to use BufferSlice workaround.
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