Split out yang-data-tree-impl

[yangtools.git] / data / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / UpgradableRootApplyStrategy.java

diff --git a/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UpgradableRootApplyStrategy.java b/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UpgradableRootApplyStrategy.java
deleted file mode 100644 (file)
index 6ebef35..0000000
--- a/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/UpgradableRootApplyStrategy.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.yangtools.yang.data.impl.schema.tree;
-
-/**
- * Implementation of Upgradable {@link RootApplyStrategy}
- *
- * <p>
- * This implementation is associated with {@link LatestOperationHolder}
- * which holds latest available implementation, which may be used for
- * upgrade.
- *
- * <p>
- * Upgrading {@link LatestOperationHolder} will not affect any instance,
- * unless client invoked {@link #upgradeIfPossible()} which will result in
- * changing delegate to the latest one.
- */
-final class UpgradableRootApplyStrategy extends RootApplyStrategy {
-    private final LatestOperationHolder holder;
-    private ModificationApplyOperation delegate;
-
-    UpgradableRootApplyStrategy(final LatestOperationHolder holder,
-        final ModificationApplyOperation delegate) {
-        this.holder = holder;
-        this.delegate = delegate;
-    }
-
-    @Override
-    void upgradeIfPossible() {
-        ModificationApplyOperation holderCurrent = holder.getCurrent();
-        if (holderCurrent != null && holderCurrent != delegate) {
-            // FIXME: Allow update only if there is addition of models, not
-            // removals.
-            delegate = holderCurrent;
-        }
-    }
-
-    @Override
-    protected ModificationApplyOperation delegate() {
-        return delegate;
-    }
-
-    @Override
-    RootApplyStrategy snapshot() {
-        return new UpgradableRootApplyStrategy(holder, delegate);
-    }
-}
\ No newline at end of file