org.apache.lucene.util.packed.BulkOperationPacked2 Maven / Gradle / Ivy
// This file has been automatically generated, DO NOT EDIT
package org.apache.lucene.util.packed;
/*
* 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.
*/
/**
* Efficient sequential read/write of packed integers.
*/
final class BulkOperationPacked2 extends BulkOperationPacked {
public BulkOperationPacked2() {
super(2);
}
@Override
public void decode(long[] blocks, int blocksOffset, int[] values, int valuesOffset, int iterations) {
for (int i = 0; i < iterations; ++i) {
final long block = blocks[blocksOffset++];
for (int shift = 62; shift >= 0; shift -= 2) {
values[valuesOffset++] = (int) ((block >>> shift) & 3);
}
}
}
@Override
public void decode(byte[] blocks, int blocksOffset, int[] values, int valuesOffset, int iterations) {
for (int j = 0; j < iterations; ++j) {
final byte block = blocks[blocksOffset++];
values[valuesOffset++] = (block >>> 6) & 3;
values[valuesOffset++] = (block >>> 4) & 3;
values[valuesOffset++] = (block >>> 2) & 3;
values[valuesOffset++] = block & 3;
}
}
@Override
public void decode(long[] blocks, int blocksOffset, long[] values, int valuesOffset, int iterations) {
for (int i = 0; i < iterations; ++i) {
final long block = blocks[blocksOffset++];
for (int shift = 62; shift >= 0; shift -= 2) {
values[valuesOffset++] = (block >>> shift) & 3;
}
}
}
@Override
public void decode(byte[] blocks, int blocksOffset, long[] values, int valuesOffset, int iterations) {
for (int j = 0; j < iterations; ++j) {
final byte block = blocks[blocksOffset++];
values[valuesOffset++] = (block >>> 6) & 3;
values[valuesOffset++] = (block >>> 4) & 3;
values[valuesOffset++] = (block >>> 2) & 3;
values[valuesOffset++] = block & 3;
}
}
}