org.elasticsearch.bootstrap.BootstrapInfo Maven / Gradle / Ivy
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.bootstrap;
/**
* Exposes system startup information
*/
public final class BootstrapInfo {
/** no instantiation */
private BootstrapInfo() {}
/**
* Returns true if we successfully loaded native libraries.
*
* If this returns false, then native operations such as locking
* memory did not work.
*/
public static boolean isNativesAvailable() {
return Natives.JNA_AVAILABLE;
}
/**
* Returns true if we were able to lock the process's address space.
*/
public static boolean isMemoryLocked() {
return Natives.isMemoryLocked();
}
/**
* Returns true if secure computing mode is enabled (supported systems only)
*/
public static boolean isSeccompInstalled() {
return Natives.isSeccompInstalled();
}
/**
* codebase location for untrusted scripts (provide some additional safety)
*
* This is not a full URL, just a path.
*/
public static final String UNTRUSTED_CODEBASE = "/untrusted";
}