Implement server to client RPC (#8426).

1 files changed, 64 insertions, 0 deletions

diff --git a/src/com/vaadin/terminal/gwt/server/ClientMethodInvocation.java b/src/com/vaadin/terminal/gwt/server/ClientMethodInvocation.java
new file mode 100644
index 0000000000..8133a617ca
--- /dev/null
+++ b/src/com/vaadin/terminal/gwt/server/ClientMethodInvocation.java
@@ -0,0 +1,64 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.server;
+
+import java.io.Serializable;
+
+import com.vaadin.terminal.Paintable;
+
+/**
+ * Internal class for keeping track of pending server to client method
+ * invocations for a Paintable.
+ * 
+ * @since 7.0
+ */
+public class ClientMethodInvocation implements Serializable,
+        Comparable<ClientMethodInvocation> {
+    private final Paintable paintable;
+    private final String interfaceName;
+    private final String methodName;
+    private final Object[] parameters;
+
+    // used for sorting calls between different Paintables in the same Root
+    private final long sequenceNumber;
+    // TODO may cause problems when clustering etc.
+    private static long counter = 0;
+
+    public ClientMethodInvocation(Paintable paintable, String interfaceName,
+            String methodName, Object[] parameters) {
+        this.paintable = paintable;
+        this.interfaceName = interfaceName;
+        this.methodName = methodName;
+        this.parameters = (null != parameters) ? parameters : new Object[0];
+        sequenceNumber = ++counter;
+    }
+
+    public Paintable getPaintable() {
+        return paintable;
+    }
+
+    public String getInterfaceName() {
+        return interfaceName;
+    }
+
+    public String getMethodName() {
+        return methodName;
+    }
+
+    public Object[] getParameters() {
+        return parameters;
+    }
+
+    protected long getSequenceNumber() {
+        return sequenceNumber;
+    }
+
+    public int compareTo(ClientMethodInvocation o) {
+        if (null == o) {
+            return 0;
+        }
+        return Long.signum(getSequenceNumber() - o.getSequenceNumber());
+    }
+}
\ No newline at end of file