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Posted to commits@hbase.apache.org by st...@apache.org on 2010/10/29 00:52:44 UTC
svn commit: r1028527 -
/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/Scan.java
Author: stack
Date: Thu Oct 28 22:52:44 2010
New Revision: 1028527
URL: http://svn.apache.org/viewvc?rev=1028527&view=rev
Log:
Added javadoc on how Scan caching value interacts with HTable setting
Modified:
hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/Scan.java
Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/Scan.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/Scan.java?rev=1028527&r1=1028526&r2=1028527&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/Scan.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/Scan.java Thu Oct 28 22:52:44 2010
@@ -49,6 +49,8 @@ import java.util.TreeSet;
* To scan everything for each row, instantiate a Scan object.
* <p>
* To modify scanner caching for just this scan, use {@link #setCaching(int) setCaching}.
+ * If caching is NOT set, we will use the caching value of the hosting
+ * {@link HTable}. See {@link HTable#setScannerCaching(int)}.
* <p>
* To further define the scope of what to get when scanning, perform additional
* methods as outlined below.
@@ -82,6 +84,9 @@ public class Scan implements Writable {
private byte [] stopRow = HConstants.EMPTY_END_ROW;
private int maxVersions = 1;
private int batch = -1;
+ /*
+ * -1 means no caching
+ */
private int caching = -1;
private boolean cacheBlocks = true;
private Filter filter = null;