| /* |
| * 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. |
| */ |
| package org.apache.phoenix.schema.tuple; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.KeyValue; |
| import org.apache.hadoop.hbase.io.ImmutableBytesWritable; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.phoenix.util.EncodedColumnsUtil; |
| |
| public class PositionBasedResultTuple extends BaseTuple { |
| private final EncodedColumnQualiferCellsList cells; |
| |
| public PositionBasedResultTuple(List<Cell> list) { |
| checkArgument(list instanceof EncodedColumnQualiferCellsList, "Invalid list type"); |
| this.cells = (EncodedColumnQualiferCellsList)list; |
| } |
| |
| @Override |
| public void getKey(ImmutableBytesWritable ptr) { |
| Cell value = cells.getFirstCell(); |
| ptr.set(value.getRowArray(), value.getRowOffset(), value.getRowLength()); |
| } |
| |
| @Override |
| public boolean isImmutable() { |
| return true; |
| } |
| |
| @Override |
| public KeyValue getValue(byte[] family, byte[] qualifier) { |
| return org.apache.hadoop.hbase.KeyValueUtil.ensureKeyValue(cells.getCellForColumnQualifier(qualifier)); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("keyvalues="); |
| if(this.cells == null || this.cells.isEmpty()) { |
| sb.append("NONE"); |
| return sb.toString(); |
| } |
| sb.append("{"); |
| boolean moreThanOne = false; |
| for(Cell kv : this.cells) { |
| if(moreThanOne) { |
| sb.append(", \n"); |
| } else { |
| moreThanOne = true; |
| } |
| sb.append(kv.toString()+"/value="+Bytes.toString(kv.getValueArray(), |
| kv.getValueOffset(), kv.getValueLength())); |
| } |
| sb.append("}\n"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public int size() { |
| return cells.size(); |
| } |
| |
| @Override |
| public KeyValue getValue(int index) { |
| return org.apache.hadoop.hbase.KeyValueUtil.ensureKeyValue(index == 0 ? cells.getFirstCell() : cells.get(index)); |
| } |
| |
| @Override |
| public boolean getValue(byte[] family, byte[] qualifier, |
| ImmutableBytesWritable ptr) { |
| KeyValue kv = getValue(family, qualifier); |
| if (kv == null) |
| return false; |
| ptr.set(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength()); |
| return true; |
| } |
| |
| public Iterator<Cell> getTupleIterator() { |
| return new TupleIterator(cells.iterator()); |
| } |
| |
| private static class TupleIterator implements Iterator<Cell> { |
| |
| private final Iterator<Cell> delegate; |
| private TupleIterator(Iterator<Cell> delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return delegate.hasNext(); |
| } |
| |
| @Override |
| public Cell next() { |
| return delegate.next(); |
| } |
| |
| @Override |
| public void remove() { |
| delegate.remove(); |
| } |
| |
| } |
| } |