1 /* GENERATED SOURCE. DO NOT MODIFY. */ 2 // © 2016 and later: Unicode, Inc. and others. 3 // License & terms of use: http://www.unicode.org/copyright.html#License 4 /* 5 ******************************************************************************* 6 * Copyright (C) 2014, International Business Machines Corporation and 7 * others. All Rights Reserved. 8 ******************************************************************************* 9 * 10 * created on: 2014feb10 11 * created by: Markus W. Scherer 12 */ 13 package ohos.global.icu.impl.coll; 14 15 // TODO: There must be a Java class for a growable array of longs without auto-boxing to Long?! 16 // Keep the API parallel to the C++ version for ease of porting. Port methods only as needed. 17 // If & when we start using something else, we might keep this as a thin wrapper for porting. 18 /** 19 * @hide exposed on OHOS 20 */ 21 public final class UVector64 { UVector64()22 public UVector64() {} isEmpty()23 public boolean isEmpty() { return length == 0; } size()24 public int size() { return length; } elementAti(int i)25 public long elementAti(int i) { return buffer[i]; } getBuffer()26 public long[] getBuffer() { return buffer; } addElement(long e)27 public void addElement(long e) { 28 ensureAppendCapacity(); 29 buffer[length++] = e; 30 } setElementAt(long elem, int index)31 public void setElementAt(long elem, int index) { buffer[index] = elem; } insertElementAt(long elem, int index)32 public void insertElementAt(long elem, int index) { 33 ensureAppendCapacity(); 34 System.arraycopy(buffer, index, buffer, index + 1, length - index); 35 buffer[index] = elem; 36 ++length; 37 } removeAllElements()38 public void removeAllElements() { 39 length = 0; 40 } 41 ensureAppendCapacity()42 private void ensureAppendCapacity() { 43 if(length >= buffer.length) { 44 int newCapacity = buffer.length <= 0xffff ? 4 * buffer.length : 2 * buffer.length; 45 long[] newBuffer = new long[newCapacity]; 46 System.arraycopy(buffer, 0, newBuffer, 0, length); 47 buffer = newBuffer; 48 } 49 } 50 private long[] buffer = new long[32]; 51 private int length = 0; 52 } 53