@Override
public int getMemory(Object obj) {
if (!isArray(obj)) {
return super.getMemory(obj);
}
int size = 64;
Class<?> type = obj.getClass().getComponentType();
if (type.isPrimitive()) {
int len = Array.getLength(obj);
if (type == boolean.class) {
size += len;
} else if (type == byte.class) {
size += len;
} else if (type == char.class) {
size += len * 2;
} else if (type == short.class) {
size += len * 2;
} else if (type == int.class) {
size += len * 4;
} else if (type == float.class) {
size += len * 4;
} else if (type == double.class) {
size += len * 8;
} else if (type == long.class) {
size += len * 8;
}
} else {
for (Object x : (Object[]) obj) {
if (x != null) {
size += elementType.getMemory(x);
}
}
}
return size;
}
@Override
public Object read(ByteBuffer buff, int tag) {
if (tag != TYPE_ARRAY) {
byte[] data;
int len = tag - TAG_BYTE_ARRAY_0_15;
data = DataUtils.newBytes(len);
buff.get(data);
return data;
}
int ct = buff.get();
Class<?> clazz;
Object obj;
if (ct == -1) {
String componentType = StringDataType.INSTANCE.read(buff);
try {
clazz = Class.forName(componentType);
} catch (Exception e) {
throw DataUtils.newIllegalStateException("Could not get class {0}", componentType, e);
}
} else {
clazz = COMMON_CLASSES[ct];
}
int len = DataUtils.readVarInt(buff);
try {
obj = Array.newInstance(clazz, len);
} catch (Exception e) {
throw DataUtils.newIllegalStateException(
"Could not create array of type {0} length {1}", clazz, len, e);
}
if (clazz.isPrimitive()) {
for (int i = 0; i < len; i++) {
if (clazz == boolean.class) {
((boolean[]) obj)[i] = buff.get() == 1;
} else if (clazz == byte.class) {
((byte[]) obj)[i] = buff.get();
} else if (clazz == char.class) {
((char[]) obj)[i] = buff.getChar();
} else if (clazz == short.class) {
((short[]) obj)[i] = buff.getShort();
} else if (clazz == int.class) {
((int[]) obj)[i] = buff.getInt();
} else if (clazz == float.class) {
((float[]) obj)[i] = buff.getFloat();
} else if (clazz == double.class) {
((double[]) obj)[i] = buff.getDouble();
} else {
((long[]) obj)[i] = buff.getLong();
}
}
} else {
Object[] array = (Object[]) obj;
for (int i = 0; i < len; i++) {
array[i] = elementType.read(buff);
}
}
return obj;
}
@Override
public void write(WriteBuffer buff, Object obj) {
if (!isArray(obj)) {
super.write(buff, obj);
return;
}
Class<?> type = obj.getClass().getComponentType();
Integer classId = getCommonClassId(type);
if (classId != null) {
if (type.isPrimitive()) {
if (type == byte.class) {
byte[] data = (byte[]) obj;
int len = data.length;
if (len <= 15) {
buff.put((byte) (TAG_BYTE_ARRAY_0_15 + len));
} else {
buff.put((byte) TYPE_ARRAY).put((byte) classId.intValue()).putVarInt(len);
}
buff.put(data);
return;
}
int len = Array.getLength(obj);
buff.put((byte) TYPE_ARRAY).put((byte) classId.intValue()).putVarInt(len);
for (int i = 0; i < len; i++) {
if (type == boolean.class) {
buff.put((byte) (((boolean[]) obj)[i] ? 1 : 0));
} else if (type == char.class) {
buff.putChar(((char[]) obj)[i]);
} else if (type == short.class) {
buff.putShort(((short[]) obj)[i]);
} else if (type == int.class) {
buff.putInt(((int[]) obj)[i]);
} else if (type == float.class) {
buff.putFloat(((float[]) obj)[i]);
} else if (type == double.class) {
buff.putDouble(((double[]) obj)[i]);
} else {
buff.putLong(((long[]) obj)[i]);
}
}
return;
}
buff.put((byte) TYPE_ARRAY).put((byte) classId.intValue());
} else {
buff.put((byte) TYPE_ARRAY).put((byte) -1);
String c = type.getName();
StringDataType.INSTANCE.write(buff, c);
}
Object[] array = (Object[]) obj;
int len = array.length;
buff.putVarInt(len);
for (Object x : array) {
elementType.write(buff, x);
}
}
/**
* Get the type for the given object.
*
* @param o the object
* @return the type
*/
AutoDetectDataType getType(Object o) {
return base.switchType(o);
}
@Override
public int compare(Object aObj, Object bObj) {
if (!isArray(aObj) || !isArray(bObj)) {
return super.compare(aObj, bObj);
}
if (aObj == bObj) {
return 0;
}
Class<?> type = aObj.getClass().getComponentType();
Class<?> bType = bObj.getClass().getComponentType();
if (type != bType) {
Integer classA = getCommonClassId(type);
Integer classB = getCommonClassId(bType);
if (classA != null) {
if (classB != null) {
return classA.compareTo(classB);
}
return -1;
} else if (classB != null) {
return 1;
}
return type.getName().compareTo(bType.getName());
}
int aLen = Array.getLength(aObj);
int bLen = Array.getLength(bObj);
int len = Math.min(aLen, bLen);
if (type.isPrimitive()) {
if (type == byte.class) {
byte[] a = (byte[]) aObj;
byte[] b = (byte[]) bObj;
return compareNotNull(a, b);
}
for (int i = 0; i < len; i++) {
int x;
if (type == boolean.class) {
x = Integer.signum((((boolean[]) aObj)[i] ? 1 : 0) - (((boolean[]) bObj)[i] ? 1 : 0));
} else if (type == char.class) {
x = Integer.signum((((char[]) aObj)[i]) - (((char[]) bObj)[i]));
} else if (type == short.class) {
x = Integer.signum((((short[]) aObj)[i]) - (((short[]) bObj)[i]));
} else if (type == int.class) {
int a = ((int[]) aObj)[i];
int b = ((int[]) bObj)[i];
x = a == b ? 0 : a < b ? -1 : 1;
} else if (type == float.class) {
x = Float.compare(((float[]) aObj)[i], ((float[]) bObj)[i]);
} else if (type == double.class) {
x = Double.compare(((double[]) aObj)[i], ((double[]) bObj)[i]);
} else {
long a = ((long[]) aObj)[i];
long b = ((long[]) bObj)[i];
x = a == b ? 0 : a < b ? -1 : 1;
}
if (x != 0) {
return x;
}
}
} else {
Object[] a = (Object[]) aObj;
Object[] b = (Object[]) bObj;
for (int i = 0; i < len; i++) {
int comp = elementType.compare(a[i], b[i]);
if (comp != 0) {
return comp;
}
}
}
return aLen == bLen ? 0 : aLen < bLen ? -1 : 1;
}