Add support for coded QNames/AugmentationIdentifiers

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / main / java / org / opendaylight / controller / cluster / datastore / node / utils / stream / SodiumNormalizedNodeInputStreamReader.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/SodiumNormalizedNodeInputStreamReader.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/SodiumNormalizedNodeInputStreamReader.java
new file mode 100644 (file)
index 0000000..eb7e9f1
--- /dev/null
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/SodiumNormalizedNodeInputStreamReader.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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.controller.cluster.datastore.node.utils.stream;
+
+import java.io.DataInput;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
+
+final class SodiumNormalizedNodeInputStreamReader extends LithiumNormalizedNodeInputStreamReader {
+    private final List<AugmentationIdentifier> codedAugments = new ArrayList<>();
+    private final List<QName> codedQNames = new ArrayList<>();
+
+    SodiumNormalizedNodeInputStreamReader(final DataInput input) {
+        super(input);
+    }
+
+    @Override
+    public NormalizedNodeStreamVersion getVersion() throws IOException {
+        return NormalizedNodeStreamVersion.SODIUM;
+    }
+
+    @Override
+    QName readQName() throws IOException {
+        final byte valueType = readByte();
+        switch (valueType) {
+            case TokenTypes.IS_QNAME_CODE:
+                return codedQName(readInt());
+            case TokenTypes.IS_QNAME_VALUE:
+                return rawQName();
+            default:
+                throw new IOException("Unhandled QName value type " + valueType);
+        }
+    }
+
+    @Override
+    AugmentationIdentifier readAugmentationIdentifier() throws IOException {
+        final byte valueType = readByte();
+        switch (valueType) {
+            case TokenTypes.IS_AUGMENT_CODE:
+                return codecAugmentId(readInt());
+            case TokenTypes.IS_AUGMENT_VALUE:
+                return rawAugmentId();
+            default:
+                throw new IOException("Unhandled QName value type " + valueType);
+        }
+    }
+
+    private QName codedQName(final int code) throws IOException {
+        try {
+            return codedQNames.get(code);
+        } catch (IndexOutOfBoundsException e) {
+            throw new IOException("QName code " + code + " was not found", e);
+        }
+    }
+
+    private QName rawQName() throws IOException {
+        final QName qname = super.readQName();
+        codedQNames.add(qname);
+        return qname;
+    }
+
+    private AugmentationIdentifier codecAugmentId(final int code) throws IOException {
+        try {
+            return codedAugments.get(code);
+        } catch (IndexOutOfBoundsException e) {
+            throw new IOException("QName set code " + code + " was not found", e);
+        }
+    }
+
+    private AugmentationIdentifier rawAugmentId() throws IOException {
+        final AugmentationIdentifier aid = super.readAugmentationIdentifier();
+        codedAugments.add(aid);
+        return aid;
+    }
+}