com.sun.webkit.PageCache Maven / Gradle / Ivy
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/*
* Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.webkit;
/**
* A collection of static methods for page cache management.
*/
public final class PageCache {
/**
* The private default constructor. Ensures non-instantiability.
*/
private PageCache() {
throw new AssertionError();
}
/**
* Returns the capacity of the page cache.
* @return the current capacity of the page cache, in pages.
*/
public static int getCapacity() {
return twkGetCapacity();
}
/**
* Sets the capacity of the page cache.
* @param capacity specifies the new capacity of the page cache, in pages.
* @throws IllegalArgumentException if {@code capacity} is negative.
*/
public static void setCapacity(int capacity) {
if (capacity < 0) {
throw new IllegalArgumentException(
"capacity is negative:" + capacity);
}
twkSetCapacity(capacity);
}
native private static int twkGetCapacity();
native private static void twkSetCapacity(int capacity);
}