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https://issues.apache.org/jira/browse/HBASE-9334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13752613#comment-13752613
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Jonathan Hsieh commented on HBASE-9334:
---------------------------------------
Here's the key change for deprecation and compatibility (there are
corresponding changes in FilterBase and FilterWrapper)
{code}
diff --git
a/hbase-client/src/main/java/org/apache/hadoop/hbase/filter/Filter.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/filter/Filter.java
index 253b24d..3c491d3 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/filter/Filter.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/filter/Filter.java
@@ -25,6 +25,7 @@ import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.exceptions.DeserializationException;
/**
@@ -192,6 +193,9 @@ public abstract class Filter {
*/
abstract public boolean filterRow() throws IOException;
+ @Deprecated // use Cell GetNextKeyHint(final Cell)
+ abstract public KeyValue getNextKeyHint(final KeyValue currentKV) throws
IOException;
+
/**
* If the filter returns the match code SEEK_NEXT_USING_HINT, then it should
also tell which is
* the next key it must seek to. After receiving the match code
SEEK_NEXT_USING_HINT, the
{code}
> Convert KeyValue to Cell in hbase-client module - Filters
> ---------------------------------------------------------
>
> Key: HBASE-9334
> URL: https://issues.apache.org/jira/browse/HBASE-9334
> Project: HBase
> Issue Type: Sub-task
> Components: Client
> Affects Versions: 0.95.2
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Attachments: hbase-9334.patch, hbase-9334.v2.patch
>
>
> The goal is is to remove KeyValue from the publicly exposed API and require
> clients to use the cleaner mroe encapsulated Cell API instead. For filters,
> this affects #filterKeyValue, #transform, #filterrow, and #getNextKeyHint.
> Since Cell is a base interface for KeyValue, changing these means that 0.94
> apps may need a recompile but probably no modifications.
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