191 * is made.
192 *
193 * <p> If this buffer was not mapped in read/write mode ({@link
194 * java.nio.channels.FileChannel.MapMode#READ_WRITE}) then invoking this
195 * method has no effect. </p>
196 *
197 * @return This buffer
198 */
199 public final MappedByteBuffer force() {
200 checkMapped();
201 if ((address != 0) && (capacity() != 0)) {
202 long offset = mappingOffset();
203 force0(fd, mappingAddress(offset), mappingLength(offset));
204 }
205 return this;
206 }
207
208 private native boolean isLoaded0(long address, long length, int pageCount);
209 private native void load0(long address, long length);
210 private native void force0(FileDescriptor fd, long address, long length);
211 }
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191 * is made.
192 *
193 * <p> If this buffer was not mapped in read/write mode ({@link
194 * java.nio.channels.FileChannel.MapMode#READ_WRITE}) then invoking this
195 * method has no effect. </p>
196 *
197 * @return This buffer
198 */
199 public final MappedByteBuffer force() {
200 checkMapped();
201 if ((address != 0) && (capacity() != 0)) {
202 long offset = mappingOffset();
203 force0(fd, mappingAddress(offset), mappingLength(offset));
204 }
205 return this;
206 }
207
208 private native boolean isLoaded0(long address, long length, int pageCount);
209 private native void load0(long address, long length);
210 private native void force0(FileDescriptor fd, long address, long length);
211
212 // -- Covariant return type overrides
213
214 /**
215 * {@inheritDoc}
216 */
217 @Override
218 public MappedByteBuffer position(int newPosition) {
219 super.position(newPosition);
220 return this;
221 }
222
223 /**
224 * {@inheritDoc}
225 */
226 @Override
227 public MappedByteBuffer limit(int newLimit) {
228 super.limit(newLimit);
229 return this;
230 }
231
232 /**
233 * {@inheritDoc}
234 */
235 @Override
236 public MappedByteBuffer mark() {
237 super.mark();
238 return this;
239 }
240
241 /**
242 * {@inheritDoc}
243 */
244 @Override
245 public MappedByteBuffer reset() {
246 super.reset();
247 return this;
248 }
249
250 /**
251 * {@inheritDoc}
252 */
253 @Override
254 public MappedByteBuffer clear() {
255 super.clear();
256 return this;
257 }
258
259 /**
260 * {@inheritDoc}
261 */
262 @Override
263 public MappedByteBuffer flip() {
264 super.flip();
265 return this;
266 }
267
268 /**
269 * {@inheritDoc}
270 */
271 @Override
272 public MappedByteBuffer rewind() {
273 super.rewind();
274 return this;
275 }
276 }
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