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1 files changed, 28 insertions, 0 deletions

diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/Deployment.java b/config-provisioning/src/main/java/com/yahoo/config/provision/Deployment.java
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+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/Deployment.java
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+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.provision;
+
+/**
+ * A deployment of an application
+ *
+ * @author bratseth
+ */
+public interface Deployment {
+
+    /**
+     * Prepares activation of this deployment.
+     * This will do all validation and preparatory steps in the system such that a subsequent activation should
+     * be fast and error free.
+     */
+    void prepare();
+
+    /** Activates this deployment. This will prepare it if necessary. */
+    void activate();
+
+    /**
+     * Request a restart of services of this application on hosts matching the filter.
+     * This is sometimes needed after activation, but can also be requested without
+     * doing prepare and activate in the same session.
+     */
+    void restart(HostFilter filter);
+
+}