/* * Copyright 2016 higherfrequencytrading.com * * Licensed 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 net.openhft.affinity.impl; import net.openhft.affinity.IAffinity; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.lang.management.ManagementFactory; import java.util.BitSet; /** * @author peter.lawrey */ public enum NullAffinity implements IAffinity { INSTANCE; private static final Logger LOGGER = LoggerFactory.getLogger(NullAffinity.class); @Override public BitSet getAffinity() { return new BitSet(); } @Override public void setAffinity(final BitSet affinity) { LOGGER.trace("unable to set mask to {} as the JNIa nd JNA libraries and not loaded", Utilities.toHexString(affinity)); } @Override public int getCpu() { return -1; } @Override public int getProcessId() { final String name = ManagementFactory.getRuntimeMXBean().getName(); return Integer.parseInt(name.split("@")[0]); } @Override public int getThreadId() { throw new UnsupportedOperationException(); } }