| /* |
| * 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.geode.internal.process; |
| |
| import static org.apache.commons.lang3.Validate.isTrue; |
| |
| import com.sun.tools.attach.VirtualMachine; |
| import com.sun.tools.attach.VirtualMachineDescriptor; |
| |
| /** |
| * Implementation of the {@link ProcessUtils} SPI that uses the JDK Attach API. |
| * |
| * @since GemFire 8.0 |
| */ |
| class AttachProcessUtils implements ProcessUtilsProvider { |
| |
| @Override |
| public boolean isProcessAlive(final int pid) { |
| isTrue(pid > 0, "Invalid pid '" + pid + "' specified"); |
| |
| for (VirtualMachineDescriptor vm : VirtualMachine.list()) { |
| if (vm.id().equals(String.valueOf(pid))) { |
| return true; // found the vm |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean killProcess(final int pid) { |
| throw new UnsupportedOperationException("killProcess(int) not supported by AttachProcessUtils"); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| @Override |
| public boolean isAttachApiAvailable() { |
| return true; |
| } |
| } |