2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore.node.utils.stream;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableMap;
13 import java.math.BigDecimal;
14 import java.math.BigInteger;
16 import org.opendaylight.yangtools.yang.common.Empty;
17 import org.opendaylight.yangtools.yang.common.QName;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
20 final class ValueTypes {
21 // The String length threshold beyond which a String should be encoded as bytes
22 public static final int STRING_BYTES_LENGTH_THRESHOLD = Short.MAX_VALUE / 4;
24 public static final byte SHORT_TYPE = 1;
25 public static final byte BYTE_TYPE = 2;
26 public static final byte INT_TYPE = 3;
27 public static final byte LONG_TYPE = 4;
28 public static final byte BOOL_TYPE = 5;
29 public static final byte QNAME_TYPE = 6;
30 public static final byte BITS_TYPE = 7;
31 public static final byte YANG_IDENTIFIER_TYPE = 8;
32 public static final byte STRING_TYPE = 9;
33 public static final byte BIG_INTEGER_TYPE = 10;
34 public static final byte BIG_DECIMAL_TYPE = 11;
35 public static final byte BINARY_TYPE = 12;
36 // Leaf nodes no longer allow null values. The "empty" type is now represented as
37 // org.opendaylight.yangtools.yang.common.Empty. This is kept for backwards compatibility.
39 public static final byte NULL_TYPE = 13;
40 public static final byte STRING_BYTES_TYPE = 14;
41 public static final byte EMPTY_TYPE = 15;
43 private static final ImmutableMap<Class<?>, Byte> TYPES = ImmutableMap.<Class<?>, Byte>builder()
44 .put(String.class, STRING_TYPE)
45 .put(Byte.class, BYTE_TYPE)
46 .put(Integer.class, INT_TYPE)
47 .put(Long.class, LONG_TYPE)
48 .put(Boolean.class, BOOL_TYPE)
49 .put(QName.class, QNAME_TYPE)
50 .put(Short.class, SHORT_TYPE)
51 .put(BigInteger.class, BIG_INTEGER_TYPE)
52 .put(BigDecimal.class, BIG_DECIMAL_TYPE)
53 .put(byte[].class, BINARY_TYPE)
54 .put(Empty.class, EMPTY_TYPE)
57 private ValueTypes() {
58 throw new UnsupportedOperationException("Utility class");
61 static byte getSerializableType(final Object node) {
62 final Byte type = TYPES.get(requireNonNull(node).getClass());
64 if (type == STRING_TYPE && ((String) node).length() >= STRING_BYTES_LENGTH_THRESHOLD) {
65 return STRING_BYTES_TYPE;
70 if (node instanceof Set) {
74 if (node instanceof YangInstanceIdentifier) {
75 return YANG_IDENTIFIER_TYPE;
78 throw new IllegalArgumentException("Unknown value type " + node.getClass().getSimpleName());