org.apache.lucene.util
Class ArrayUtil

java.lang.Object
  org.apache.lucene.util.ArrayUtil

public final class ArrayUtil
extends Object

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF 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.

Constructor Summary

ArrayUtil()

Method Summary

static int	getNextSize(int targetSize)
static int	getShrinkSize(int currentSize, int targetSize)
static byte[]	grow(byte[] array)
static byte[]	grow(byte[] array, int minSize)
static int[]	grow(int[] array)
static int[]	grow(int[] array, int minSize)
static long[]	grow(long[] array)
static long[]	grow(long[] array, int minSize)
static int	hashCode(byte[] array, int start, int end) Returns hash of chars in range start (inclusive) to end (inclusive)
static int	hashCode(char[] array, int start, int end) Returns hash of chars in range start (inclusive) to end (inclusive)
static byte[]	shrink(byte[] array, int targetSize)
static int[]	shrink(int[] array, int targetSize)
static long[]	shrink(long[] array, int targetSize)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ArrayUtil

public ArrayUtil()

Method Detail

getNextSize

public static int getNextSize(int targetSize)

getShrinkSize

public static int getShrinkSize(int currentSize,
                                int targetSize)

grow

public static int[] grow(int[] array,
                         int minSize)

grow

public static int[] grow(int[] array)

shrink

public static int[] shrink(int[] array,
                           int targetSize)

grow

public static long[] grow(long[] array,
                          int minSize)

grow

public static long[] grow(long[] array)

shrink

public static long[] shrink(long[] array,
                            int targetSize)

grow

public static byte[] grow(byte[] array,
                          int minSize)

grow

public static byte[] grow(byte[] array)

shrink

public static byte[] shrink(byte[] array,
                            int targetSize)

hashCode

public static int hashCode(char[] array,
                           int start,
                           int end)

Returns hash of chars in range start (inclusive) to end (inclusive)

hashCode

public static int hashCode(byte[] array,
                           int start,
                           int end)

Returns hash of chars in range start (inclusive) to end (inclusive)