import java.math.BigDecimal;
import java.math.BigInteger;
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;
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 final Map<Class<?>, Byte> TYPES;
static {
final Builder<Class<?>, Byte> b = ImmutableMap.builder();
- b.put(String.class, Byte.valueOf(STRING_TYPE));
- b.put(Byte.class, Byte.valueOf(BYTE_TYPE));
- b.put(Integer.class, Byte.valueOf(INT_TYPE));
- b.put(Long.class, Byte.valueOf(LONG_TYPE));
- b.put(Boolean.class, Byte.valueOf(BOOL_TYPE));
- b.put(QName.class, Byte.valueOf(QNAME_TYPE));
- b.put(YangInstanceIdentifier.class, Byte.valueOf(YANG_IDENTIFIER_TYPE));
- b.put(Short.class, Byte.valueOf(SHORT_TYPE));
- b.put(BigInteger.class, Byte.valueOf(BIG_INTEGER_TYPE));
- b.put(BigDecimal.class, Byte.valueOf(BIG_DECIMAL_TYPE));
- b.put(byte[].class, Byte.valueOf(BINARY_TYPE));
+ 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();
}
throw new UnsupportedOperationException("Utility class");
}
- public static final byte getSerializableType(Object node) {
- if(node == null){
- return NULL_TYPE;
- }
+ public static byte getSerializableType(Object node) {
+ Objects.requireNonNull(node);
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;
}
+
if (node instanceof Set) {
return BITS_TYPE;
}
+ if (node instanceof YangInstanceIdentifier) {
+ return YANG_IDENTIFIER_TYPE;
+ }
+
throw new IllegalArgumentException("Unknown value type " + node.getClass().getSimpleName());
}
}