| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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. |
| */ |
| |
| package org.apache.ignite.internal.processors.platform.memory; |
| |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.internal.processors.platform.callback.PlatformCallbackGateway; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Interop external memory chunk. |
| */ |
| public class PlatformExternalMemory extends PlatformAbstractMemory { |
| /** Native gateway. */ |
| private final PlatformCallbackGateway gate; |
| |
| /** |
| * Constructor. |
| * |
| * @param gate Native gateway. |
| * @param memPtr Memory pointer. |
| */ |
| public PlatformExternalMemory(@Nullable PlatformCallbackGateway gate, long memPtr) { |
| super(memPtr); |
| |
| this.gate = gate; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void reallocate(int cap) { |
| if (gate == null) |
| throw new IgniteException("Failed to re-allocate external memory chunk because it is read-only."); |
| |
| gate.memoryReallocate(memPtr, cap); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void close() { |
| // Do nothing, memory must be released by native platform. |
| } |
| } |