package org.opendaylight.controller.cluster.datastore.node.utils.stream;
-import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
import java.math.BigDecimal;
import java.math.BigInteger;
-import java.util.HashMap;
import java.util.Map;
+import java.util.Objects;
import java.util.Set;
+import org.opendaylight.yangtools.yang.common.Empty;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-public class ValueTypes {
+final class ValueTypes {
+ // The String length threshold beyond which a String should be encoded as bytes
+ public static final int STRING_BYTES_LENGTH_THRESHOLD = Short.MAX_VALUE / 4;
+
public static final byte SHORT_TYPE = 1;
public static final byte BYTE_TYPE = 2;
public static final byte INT_TYPE = 3;
public static final byte BIG_INTEGER_TYPE = 10;
public static final byte BIG_DECIMAL_TYPE = 11;
public static final byte BINARY_TYPE = 12;
+ // Leaf nodes no longer allow null values. The "empty" type is now represented as
+ // org.opendaylight.yangtools.yang.common.Empty. This is kept for backwards compatibility.
+ @Deprecated
+ public static final byte NULL_TYPE = 13;
+ public static final byte STRING_BYTES_TYPE = 14;
+ public static final byte EMPTY_TYPE = 15;
- private static Map<Class<?>, Byte> types = new HashMap<>();
+ private static final Map<Class<?>, Byte> TYPES;
static {
- types.put(String.class, Byte.valueOf(STRING_TYPE));
- types.put(Byte.class, Byte.valueOf(BYTE_TYPE));
- types.put(Integer.class, Byte.valueOf(INT_TYPE));
- types.put(Long.class, Byte.valueOf(LONG_TYPE));
- types.put(Boolean.class, Byte.valueOf(BOOL_TYPE));
- types.put(QName.class, Byte.valueOf(QNAME_TYPE));
- types.put(Set.class, Byte.valueOf(BITS_TYPE));
- types.put(YangInstanceIdentifier.class, Byte.valueOf(YANG_IDENTIFIER_TYPE));
- types.put(Short.class, Byte.valueOf(SHORT_TYPE));
- types.put(BigInteger.class, Byte.valueOf(BIG_INTEGER_TYPE));
- types.put(BigDecimal.class, Byte.valueOf(BIG_DECIMAL_TYPE));
- types.put(byte[].class, Byte.valueOf(BINARY_TYPE));
+ final Builder<Class<?>, Byte> b = ImmutableMap.builder();
+
+ b.put(String.class, STRING_TYPE);
+ b.put(Byte.class, BYTE_TYPE);
+ b.put(Integer.class, INT_TYPE);
+ b.put(Long.class, LONG_TYPE);
+ b.put(Boolean.class, BOOL_TYPE);
+ b.put(QName.class, QNAME_TYPE);
+ b.put(Short.class, SHORT_TYPE);
+ b.put(BigInteger.class, BIG_INTEGER_TYPE);
+ b.put(BigDecimal.class, BIG_DECIMAL_TYPE);
+ b.put(byte[].class, BINARY_TYPE);
+ b.put(Empty.class, EMPTY_TYPE);
+
+ TYPES = b.build();
+ }
+
+ private ValueTypes() {
+ throw new UnsupportedOperationException("Utility class");
}
- public static final byte getSerializableType(Object node){
- Preconditions.checkNotNull(node, "node should not be null");
+ public static byte getSerializableType(Object node) {
+ Objects.requireNonNull(node);
- Byte type = types.get(node.getClass());
- if(type != null) {
+ final Byte type = TYPES.get(node.getClass());
+ if (type != null) {
+ if (type == STRING_TYPE && ((String) node).length() >= STRING_BYTES_LENGTH_THRESHOLD) {
+ return STRING_BYTES_TYPE;
+ }
return type;
- } else if(node instanceof Set){
+ }
+
+ if (node instanceof Set) {
return BITS_TYPE;
}
+ if (node instanceof YangInstanceIdentifier) {
+ return YANG_IDENTIFIER_TYPE;
+ }
+
throw new IllegalArgumentException("Unknown value type " + node.getClass().getSimpleName());
}
}