mirror of https://github.com/apache/iotdb
[IOTDB-2994] Remove eclipse collection to reduce package size (#5720)
* copy the code from eclipse collection Co-authored-by: qiaojialin <646274302@qq.com>
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9
LICENSE
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@ -235,3 +235,12 @@ Copyright: 2016-2018 Michael Burman and/or other contributors
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Project page: https://github.com/burmanm/gorilla-tsc
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License: http://www.apache.org/licenses/LICENSE-2.0
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--------------------------------------------------------------------------------
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The following files include code modified from Eclipse Collections project.
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./tsfile/src/main/java/org/apache/iotdb/tsfile/utils/ByteArrayList.java
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Copyright: 2021 Goldman Sachs
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Project page: https://www.eclipse.org/collections
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License: https://github.com/eclipse/eclipse-collections/blob/master/LICENSE-EDL-1.0.txt
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@ -59,11 +59,6 @@
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<artifactId>JTransforms</artifactId>
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<version>3.1</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.collections</groupId>
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<artifactId>eclipse-collections</artifactId>
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<version>10.4.0</version>
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</dependency>
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<dependency>
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<groupId>com.google.code.gson</groupId>
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<artifactId>gson</artifactId>
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@ -16,11 +16,8 @@
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.iotdb.tsfile.utils;
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import org.eclipse.collections.impl.list.mutable.primitive.ByteArrayList;
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public class BitConstructor {
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private static final int BITS_IN_A_BYTE = 8;
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@ -0,0 +1,135 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* This class includes code modified from Eclipse Collections project.
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*
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* <p>Copyright: 2021 Goldman Sachs
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*
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* <p>Project page: https://www.eclipse.org/collections/
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*
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* <p>License: https://github.com/eclipse/eclipse-collections/blob/master/LICENSE-EDL-1.0.txt
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*/
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package org.apache.iotdb.tsfile.utils;
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import java.util.Arrays;
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public class ByteArrayList {
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private static final byte[] DEFAULT_SIZED_EMPTY_ARRAY = {};
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private static final byte[] ZERO_SIZED_ARRAY = {};
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private static final int MAXIMUM_ARRAY_SIZE = Integer.MAX_VALUE - 8;
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protected int size;
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protected transient byte[] items = DEFAULT_SIZED_EMPTY_ARRAY;
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public ByteArrayList() {}
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public ByteArrayList(int initialCapacity) {
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this.items = initialCapacity == 0 ? ZERO_SIZED_ARRAY : new byte[initialCapacity];
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}
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private void ensureCapacityForAdd() {
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if (this.items == DEFAULT_SIZED_EMPTY_ARRAY) {
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this.items = new byte[10];
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} else {
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this.transferItemsToNewArrayWithCapacity(this.sizePlusFiftyPercent(this.size));
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}
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}
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private int sizePlusFiftyPercent(int oldSize) {
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int result = oldSize + (oldSize >> 1) + 1;
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return result < oldSize ? MAXIMUM_ARRAY_SIZE : result;
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}
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private void transferItemsToNewArrayWithCapacity(int newCapacity) {
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this.items = this.copyItemsWithNewCapacity(newCapacity);
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}
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private byte[] copyItemsWithNewCapacity(int newCapacity) {
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byte[] newItems = new byte[newCapacity];
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System.arraycopy(this.items, 0, newItems, 0, Math.min(this.size, newCapacity));
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return newItems;
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}
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public boolean add(byte newItem) {
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if (this.items.length == this.size) {
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this.ensureCapacityForAdd();
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}
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this.items[this.size] = newItem;
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this.size++;
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return true;
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}
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public boolean addAll(byte... source) {
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if (source.length < 1) {
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return false;
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}
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this.copyItems(source.length, source);
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return true;
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}
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private void copyItems(int sourceSize, byte[] source) {
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int newSize = this.size + sourceSize;
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this.ensureCapacity(newSize);
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System.arraycopy(source, 0, this.items, this.size, sourceSize);
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this.size = newSize;
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}
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public void ensureCapacity(int minCapacity) {
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int oldCapacity = this.items.length;
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if (minCapacity > oldCapacity) {
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int newCapacity = Math.max(this.sizePlusFiftyPercent(oldCapacity), minCapacity);
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this.transferItemsToNewArrayWithCapacity(newCapacity);
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}
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}
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public byte[] toArray() {
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byte[] newItems = new byte[this.size];
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System.arraycopy(this.items, 0, newItems, 0, this.size);
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return newItems;
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}
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public byte removeAtIndex(int index) {
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byte previous = this.get(index);
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int totalOffset = this.size - index - 1;
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if (totalOffset > 0) {
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System.arraycopy(this.items, index + 1, this.items, index, totalOffset);
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}
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--this.size;
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this.items[this.size] = (byte) 0;
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return previous;
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}
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public byte get(int index) {
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if (index < this.size) {
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return this.items[index];
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}
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throw new IndexOutOfBoundsException("Index: " + index + " Size: " + this.size);
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}
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public void clear() {
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Arrays.fill(this.items, 0, size, (byte) 0);
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this.size = 0;
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}
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public int size() {
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return this.size;
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}
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}
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