org.nd4j.linalg.api.memory.pointers.PagedPointer Maven / Gradle / Ivy
/*
* ******************************************************************************
* *
* *
* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* * License for the specific language governing permissions and limitations
* * under the License.
* *
* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
package org.nd4j.linalg.api.memory.pointers;
import lombok.Getter;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.bytedeco.javacpp.*;
@Slf4j
public class PagedPointer extends Pointer {
// we're storing this pointer as strong reference
@Getter
private Pointer originalPointer;
@Getter
@Setter
private boolean leaked = false;
private PagedPointer() {
}
public PagedPointer(long address) {
this.originalPointer = null;
this.address = address;
this.capacity = 0;
this.limit = 0;
this.position = 0;
}
public PagedPointer(Pointer pointer) {
this.originalPointer = pointer;
this.address = pointer.address();
this.capacity = pointer.capacity();
this.limit = pointer.limit();
this.position = 0;
}
public PagedPointer(Pointer pointer, long capacity) {
this.originalPointer = pointer;
this.address = pointer == null ? 0 : pointer.address();
this.capacity = capacity;
this.limit = capacity;
this.position = 0;
}
public PagedPointer(Pointer pointer, long capacity, long offset) {
this.address = pointer.address() + offset;
this.capacity = capacity;
this.limit = capacity;
this.position = 0;
}
public PagedPointer withOffset(long offset, long capacity) {
return new PagedPointer(this, capacity, offset);
}
public FloatPointer asFloatPointer() {
return new ImmortalFloatPointer(this);
}
public DoublePointer asDoublePointer() {
return new DoublePointer(this);
}
public IntPointer asIntPointer() {
return new IntPointer(this);
}
public LongPointer asLongPointer() {
return new LongPointer(this);
}
public BytePointer asBytePointer() {
return new BytePointer(this);
}
public ShortPointer asShortPointer() {
return new ShortPointer(this);
}
public BooleanPointer asBoolPointer() {
return new BooleanPointer(this);
}
@Override
public void deallocate() {
super.deallocate();
}
@Override
public void deallocate(boolean deallocate) {
super.deallocate(true);
}
}