Add data communication for DataProvider for Collections

After this patch, the object is passed to the client-side as a
JsonObject containing a key "k" with value from object.toString()

Change-Id: I3f83144a6c84dda9812739ff2f2cb74cb5577d5c

1 files changed, 46 insertions, 0 deletions

diff --git a/shared/src/com/vaadin/shared/data/DataProviderClientRpc.java b/shared/src/com/vaadin/shared/data/DataProviderClientRpc.java
new file mode 100644
index 0000000000..e734d4e818
--- /dev/null
+++ b/shared/src/com/vaadin/shared/data/DataProviderClientRpc.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.shared.data;
+
+import com.vaadin.shared.communication.ClientRpc;
+
+import elemental.json.JsonArray;
+
+public interface DataProviderClientRpc extends ClientRpc {
+
+    /**
+     * Sets the size of the client-side DataSource.
+     * 
+     * @param size
+     *            the new data set size
+     */
+    void resetSize(long size);
+
+    /**
+     * Sets the data of the client-side DataSource to match the given data
+     * starting from given index.
+     * <p>
+     * <strong>Note:</strong> This method will override any existing data in the
+     * range starting from first index with the length of the data array.
+     * 
+     * @param firstIndex
+     *            first index to update
+     * @param data
+     *            array of new data
+     */
+    void setData(long firstIndex, JsonArray data);
+
+}