org.apache.tajo.tuple.memory.TestHeapTuple.java Source code

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Here is the source code for org.apache.tajo.tuple.memory.TestHeapTuple.java

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/***
 * 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.tajo.tuple.memory;

import io.netty.buffer.ByteBuf;
import org.apache.tajo.storage.BufferPool;
import org.apache.tajo.tuple.RowBlockReader;
import org.junit.Test;

import static org.junit.Assert.*;

public class TestHeapTuple {

    @Test
    public void testHeapTupleFromOffheap() {
        MemoryRowBlock rowBlock = TestMemoryRowBlock.createRowBlock(1024);
        assertTrue(rowBlock.getMemory().getBuffer().isDirect());
        assertTrue(rowBlock.getMemory().hasAddress());

        RowBlockReader reader = rowBlock.getReader();
        assertEquals(OffHeapRowBlockReader.class, reader.getClass());

        UnSafeTuple zcTuple = new UnSafeTuple();
        int i = 0;
        while (reader.next(zcTuple)) {

            HeapTuple heapTuple = zcTuple.toHeapTuple();
            TestMemoryRowBlock.validateTupleResult(i, heapTuple);
            TestMemoryRowBlock.validateTupleResult(i, zcTuple);
            TestMemoryRowBlock.validateTupleResult(i, zcTuple.toHeapTuple());
            i++;
        }

        assertEquals(rowBlock.rows(), i);
        rowBlock.release();
    }

    @Test
    public void testHeapTupleFromHeap() throws CloneNotSupportedException {
        MemoryRowBlock rowBlock = TestMemoryRowBlock.createRowBlock(1024);
        int length = rowBlock.getMemory().writerPosition();
        //write rows to heap
        ByteBuf heapBuffer = BufferPool.heapBuffer(length, length);
        heapBuffer.writeBytes(rowBlock.getMemory().getBuffer());
        assertFalse(heapBuffer.isDirect());

        ResizableMemoryBlock memoryBlock = new ResizableMemoryBlock(heapBuffer);
        assertFalse(memoryBlock.hasAddress());

        RowBlockReader reader = new HeapRowBlockReader(memoryBlock, rowBlock.getDataTypes(), rowBlock.rows());
        assertEquals(HeapRowBlockReader.class, reader.getClass());
        HeapTuple heapTuple = new HeapTuple();
        int i = 0;
        while (reader.next(heapTuple)) {

            TestMemoryRowBlock.validateTupleResult(i, heapTuple);
            TestMemoryRowBlock.validateTupleResult(i, heapTuple.clone());
            i++;
        }
        assertEquals(rowBlock.rows(), i);
        rowBlock.release();
        memoryBlock.release();
    }
}