public long[] getApproximateSizes(NativeRange... ranges) {
if (ranges == null) {
return null;
}
long rc[] = new long[ranges.length];
NativeRange.RangeJNI structs[] = new NativeRange.RangeJNI[ranges.length];
if (rc.length > 0) {
NativeBuffer range_array = NativeRange.RangeJNI.arrayCreate(ranges.length);
try {
for (int i = 0; i < ranges.length; i++) {
structs[i] = new NativeRange.RangeJNI(ranges[i]);
structs[i].arrayWrite(range_array.pointer(), i);
}
DBJNI.GetApproximateSizes(self, range_array.pointer(), ranges.length, rc);
} finally {
for (int i = 0; i < ranges.length; i++) {
if (structs[i] != null) {
structs[i].delete();
}
}
range_array.delete();
}
}
return rc;
}
public byte[] get(NativeReadOptions options, byte[] key) throws DBException {
checkArgNotNull(options, "options");
checkArgNotNull(key, "key");
NativeBuffer keyBuffer = new NativeBuffer(key);
try {
return get(options, keyBuffer);
} finally {
keyBuffer.delete();
}
}
public void delete(NativeWriteOptions options, byte[] key) throws DBException {
checkArgNotNull(options, "options");
checkArgNotNull(key, "key");
NativeBuffer keyBuffer = new NativeBuffer(key);
try {
delete(options, keyBuffer);
} finally {
keyBuffer.delete();
}
}
public String getProperty(String name) {
checkArgNotNull(name, "name");
NativeBuffer keyBuffer = new NativeBuffer(name.getBytes());
try {
byte[] property = getProperty(keyBuffer);
if (property == null) {
return null;
} else {
return new String(property);
}
} finally {
keyBuffer.delete();
}
}
public void put(NativeWriteOptions options, byte[] key, byte[] value) throws DBException {
checkArgNotNull(options, "options");
checkArgNotNull(key, "key");
checkArgNotNull(value, "value");
NativeBuffer keyBuffer = new NativeBuffer(key);
try {
NativeBuffer valueBuffer = new NativeBuffer(value);
try {
put(options, keyBuffer, valueBuffer);
} finally {
valueBuffer.delete();
}
} finally {
keyBuffer.delete();
}
}
public void delete() {
if (name_buffer != null) {
name_buffer.delete();
name_buffer = null;
}
if (globalRef != 0) {
NativeDB.DBJNI.DeleteGlobalRef(globalRef);
globalRef = 0;
}
}
public NativeComparator() {
super(ComparatorJNI.create());
try {
name_buffer = NativeBuffer.create(name());
globalRef = NativeDB.DBJNI.NewGlobalRef(this);
if (globalRef == 0) {
throw new RuntimeException("jni call failed: NewGlobalRef");
}
ComparatorJNI struct = new ComparatorJNI();
struct.compare_method = NativeDB.DBJNI.GetMethodID(this.getClass(), "compare", "(JJ)I");
if (struct.compare_method == 0) {
throw new RuntimeException("jni call failed: GetMethodID");
}
struct.target = globalRef;
struct.name = name_buffer.pointer();
ComparatorJNI.memmove(self, struct, ComparatorJNI.SIZEOF);
} catch (RuntimeException e) {
delete();
throw e;
}
}
static NativeBuffer arrayCreate(int dimension) {
return NativeBuffer.create(dimension * SliceJNI.SIZEOF);
}
public NativeSlice set(NativeBuffer buffer) {
this.size_ = buffer.capacity();
this.data_ = buffer.pointer();
return this;
}
public NativeSlice(NativeBuffer buffer) {
this(buffer.pointer(), buffer.capacity());
}