Split out yang-data-tree-impl

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

diff --git a/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/DataTreeState.java b/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/DataTreeState.java
deleted file mode 100644 (file)
index 7b2cf82..0000000
--- a/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/DataTreeState.java
+++ /dev/null
@@ -1,69 +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;
-
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.base.MoreObjects;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
-import org.opendaylight.yangtools.yang.data.spi.tree.TreeNode;
-import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
-
-/**
- * Instances of this class hold the current state of a DataTree instance.
- * The need for encapsulation stems from atomic updates, which potentially change
- * multiple fields in one go.
- */
-final class DataTreeState {
-    private final LatestOperationHolder holder;
-    private final EffectiveModelContext schemaContext;
-    private final @NonNull TreeNode root;
-
-    private DataTreeState(final TreeNode root) {
-        this.root = requireNonNull(root);
-        holder = new LatestOperationHolder();
-        schemaContext = null;
-    }
-
-    private DataTreeState(final TreeNode root, final LatestOperationHolder holder,
-            final EffectiveModelContext schemaContext) {
-        // It should be impossible to instantiate a new root without a SchemaContext
-        this.schemaContext = requireNonNull(schemaContext);
-        this.holder = requireNonNull(holder);
-        this.root = requireNonNull(root);
-    }
-
-    static DataTreeState createInitial(final TreeNode root) {
-        return new DataTreeState(root);
-    }
-
-    @NonNull TreeNode getRoot() {
-        return root;
-    }
-
-    InMemoryDataTreeSnapshot newSnapshot() {
-        return new InMemoryDataTreeSnapshot(schemaContext, root, holder.newSnapshot());
-    }
-
-    DataTreeState withSchemaContext(final EffectiveModelContext newSchemaContext,
-            final ModificationApplyOperation operation) {
-        holder.setCurrent(operation);
-        return new DataTreeState(root, holder, newSchemaContext);
-    }
-
-    DataTreeState withRoot(final TreeNode newRoot) {
-        return new DataTreeState(newRoot, holder, schemaContext);
-    }
-
-    @Override
-    public String toString() {
-        final TreeNode r = root;
-        return MoreObjects.toStringHelper(this).add("data", NormalizedNodes.toStringTree(r.getData())).toString();
-    }
-}
\ No newline at end of file