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Rhino JavaScript Java Library Source Code
Rhino JavaScript Java Library is an open-source implementation of JavaScript written entirely in Java.
Rhino JavaScript Java Library Source Code files are provided in binary package (rhino-1.7.14.zip).
You can also browse the source code below:
✍: FYIcenter.com
⏎ org/mozilla/javascript/SlotMapContainer.java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ package org.mozilla.javascript; import java.util.Iterator; /** * This class holds the various SlotMaps of various types, and knows how to atomically switch * between them when we need to so that we use the right data structure at the right time. */ class SlotMapContainer implements SlotMap { /** * Once the object has this many properties in it, we will replace the EmbeddedSlotMap with * HashSlotMap. We can adjust this parameter to balance performance for typical objects versus * performance for huge objects with many collisions. */ private static final int LARGE_HASH_SIZE = 2000; private static final int DEFAULT_SIZE = 10; protected SlotMap map; SlotMapContainer() { this(DEFAULT_SIZE); } SlotMapContainer(int initialSize) { if (initialSize > LARGE_HASH_SIZE) { map = new HashSlotMap(); } else { map = new EmbeddedSlotMap(); } } @Override public int size() { return map.size(); } public int dirtySize() { return map.size(); } @Override public boolean isEmpty() { return map.isEmpty(); } @Override public Slot modify(Object key, int index, int attributes) { checkMapSize(); return map.modify(key, index, attributes); } @Override public void replace(Slot oldSlot, Slot newSlot) { map.replace(oldSlot, newSlot); } @Override public Slot query(Object key, int index) { return map.query(key, index); } @Override public void add(Slot newSlot) { checkMapSize(); map.add(newSlot); } @Override public void remove(Object key, int index) { map.remove(key, index); } @Override public Iterator<Slot> iterator() { return map.iterator(); } public long readLock() { // No locking in the default implementation return 0L; } public void unlockRead(long stamp) { // No locking in the default implementation } /** * Before inserting a new item in the map, check and see if we need to expand from the embedded * map to a HashMap that is more robust against large numbers of hash collisions. */ protected void checkMapSize() { if ((map instanceof EmbeddedSlotMap) && map.size() >= LARGE_HASH_SIZE) { SlotMap newMap = new HashSlotMap(); for (Slot s : map) { newMap.add(s); } map = newMap; } } }
⏎ org/mozilla/javascript/SlotMapContainer.java
Or download all of them as a single archive file:
File name: rhino-1.7.14-sources.jar File size: 1029165 bytes Release date: 2022-01-06 Download
⇒ Example code to Test rhino-runtime-1.7.14.jar
⇐ Download Rhino JavaScript Binary Package
2022-05-03, 35456👍, 1💬
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