From 15ad8bccfc9073cdf1e587f7f7dd6e1f3f27c43f Mon Sep 17 00:00:00 2001
From: Teemu Suo-Anttila <teemusa@vaadin.com>
Date: Wed, 22 Jul 2015 14:50:26 +0300
Subject: Fix RpcDataProviderExtension to not rely on item indices (#18503)

Change-Id: I68a77bee4ef8e7a859f3a3c143e6f5922decf025
---
 shared/src/com/vaadin/shared/data/DataProviderRpc.java | 12 ++++++++++++
 shared/src/com/vaadin/shared/data/DataRequestRpc.java  | 14 +++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

(limited to 'shared')

diff --git a/shared/src/com/vaadin/shared/data/DataProviderRpc.java b/shared/src/com/vaadin/shared/data/DataProviderRpc.java
index 4bfdb8b6c5..bddbdd113d 100644
--- a/shared/src/com/vaadin/shared/data/DataProviderRpc.java
+++ b/shared/src/com/vaadin/shared/data/DataProviderRpc.java
@@ -20,6 +20,7 @@ import com.vaadin.shared.annotations.NoLayout;
 import com.vaadin.shared.communication.ClientRpc;
 
 import elemental.json.JsonArray;
+import elemental.json.JsonObject;
 
 /**
  * RPC interface used for pushing container data to the client.
@@ -91,4 +92,15 @@ public interface DataProviderRpc extends ClientRpc {
      *            the size of the new data set
      */
     public void resetDataAndSize(int size);
+
+    /**
+     * Informs the client that a row has updated. The client-side DataSource
+     * will map the given data to correct index if it should be in the cache.
+     * 
+     * @since
+     * @param row
+     *            the updated row data
+     */
+    @NoLayout
+    public void updateRowData(JsonObject row);
 }
diff --git a/shared/src/com/vaadin/shared/data/DataRequestRpc.java b/shared/src/com/vaadin/shared/data/DataRequestRpc.java
index 0d9b919a4e..84216f0fab 100644
--- a/shared/src/com/vaadin/shared/data/DataRequestRpc.java
+++ b/shared/src/com/vaadin/shared/data/DataRequestRpc.java
@@ -16,8 +16,8 @@
 
 package com.vaadin.shared.data;
 
-import com.vaadin.shared.annotations.NoLoadingIndicator;
 import com.vaadin.shared.annotations.Delayed;
+import com.vaadin.shared.annotations.NoLoadingIndicator;
 import com.vaadin.shared.communication.ServerRpc;
 
 /**
@@ -55,5 +55,17 @@ public interface DataRequestRpc extends ServerRpc {
      *            pinned status of referenced item
      */
     @Delayed
+    @NoLoadingIndicator
     public void setPinned(String key, boolean isPinned);
+
+    /**
+     * Informs the server that an item is dropped from the client cache.
+     * 
+     * @since
+     * @param rowKey
+     *            key mapping to item
+     */
+    @Delayed
+    @NoLoadingIndicator
+    public void dropRow(String rowKey);
 }
-- 
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