com.gemstone.gemfire.internal.PureJavaMode Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.internal;
import com.gemstone.gemfire.internal.cache.GemFireCacheImpl;
/**
* Used to determine if product should use pure java mode.
*/
public final class PureJavaMode {
/**
* System property to set to true to force pure java mode
*/
public final static String PURE_MODE_PROPERTY = "gemfire.pureJavaMode";
private static final boolean isPure;
private static final boolean is64Bit;
private static final boolean osStatsAreAvailable;
static {
boolean tmpIsPure = false;
if (Boolean.getBoolean(PURE_MODE_PROPERTY)) {
if (SharedLibrary.debug) {
System.out.println("property " + PURE_MODE_PROPERTY + " is true");
}
tmpIsPure = true;
} else {
tmpIsPure = GemFireCacheImpl.gfxdSystem() //don't load gemfire native library for now as we don't supply one.
|| !SharedLibrary.loadLibrary(SharedLibrary.getName("gemfire"));
}
isPure = tmpIsPure;
is64Bit = SharedLibrary.is64Bit();
String osName = System.getProperty("os.name", "unknown");
osStatsAreAvailable = osName.startsWith("Linux") || ! isPure;
}
public final static boolean isPure() {
return isPure;
}
public final static boolean is64Bit() {
return is64Bit;
}
/**
* Linux has OsStats even in PureJava mode but other platforms
* require the native code to provide OS Statistics.
* return true if OSStatistics are available
*/
public final static boolean osStatsAreAvailable() {
return osStatsAreAvailable;
}
}