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Posted to commits@fluo.apache.org by kt...@apache.org on 2016/09/16 18:25:54 UTC
[3/6] incubator-fluo git commit: fixes #772 added get method w/
default value
fixes #772 added get method w/ default value
Project: http://git-wip-us.apache.org/repos/asf/incubator-fluo/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-fluo/commit/2f253dd5
Tree: http://git-wip-us.apache.org/repos/asf/incubator-fluo/tree/2f253dd5
Diff: http://git-wip-us.apache.org/repos/asf/incubator-fluo/diff/2f253dd5
Branch: refs/heads/master
Commit: 2f253dd59423f4861865e6bec717ab62081b5c90
Parents: 20d12a8
Author: Keith Turner <ke...@deenlo.com>
Authored: Thu Sep 15 14:44:21 2016 -0400
Committer: Keith Turner <ke...@deenlo.com>
Committed: Thu Sep 15 14:44:21 2016 -0400
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.../apache/fluo/api/client/SnapshotBase.java | 28 ++++++++++++++++++++
1 file changed, 28 insertions(+)
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http://git-wip-us.apache.org/repos/asf/incubator-fluo/blob/2f253dd5/modules/api/src/main/java/org/apache/fluo/api/client/SnapshotBase.java
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diff --git a/modules/api/src/main/java/org/apache/fluo/api/client/SnapshotBase.java b/modules/api/src/main/java/org/apache/fluo/api/client/SnapshotBase.java
index e08132a..723b9c7 100644
--- a/modules/api/src/main/java/org/apache/fluo/api/client/SnapshotBase.java
+++ b/modules/api/src/main/java/org/apache/fluo/api/client/SnapshotBase.java
@@ -44,6 +44,21 @@ public interface SnapshotBase {
Bytes get(Bytes row, Column column);
/**
+ * Retrieves the value (in {@link Bytes}) stored at a given row and {@link Column}. Returns the
+ * passed in defaultValue if does not exist.
+ *
+ * @param defaultValue this will be returned if row+columns does not exists
+ */
+ default Bytes get(Bytes row, Column column, Bytes defaultValue) {
+ Bytes ret = get(row, column);
+ if (ret == null) {
+ return defaultValue;
+ }
+
+ return ret;
+ }
+
+ /**
* Given a row and set of {@link Column}s, retrieves a map that contains the values at those
* {@link Column}s. Only columns that exist will be returned in map.
*/
@@ -165,6 +180,19 @@ public interface SnapshotBase {
}
/**
+ * Wrapper for {@link #get(Bytes, Column, Bytes)} that uses Strings. All strings are encoded and
+ * decoded using UTF-8.
+ */
+ default String gets(CharSequence row, Column column, String defaultValue) {
+ Bytes val = get(Bytes.of(row), column);
+ if (val == null) {
+ return defaultValue;
+ }
+
+ return val.toString();
+ }
+
+ /**
* Wrapper for {@link #get(Bytes, Set)} that uses Strings. All strings are encoded and decoded
* using UTF-8.
*/