Package org.teiid.query.processor.relational

Source Code of org.teiid.query.processor.relational.TestRelationalNodeStatistics

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* This library is free software; you can redistribute it and/or
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
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package org.teiid.query.processor.relational;

import java.util.ArrayList;
import java.util.List;

import org.teiid.common.buffer.BufferManagerFactory;
import org.teiid.common.buffer.TupleBatch;
import org.teiid.core.TeiidComponentException;
import org.teiid.core.TeiidProcessingException;
import org.teiid.core.types.DataTypeManager;
import org.teiid.query.processor.relational.RelationalNodeStatistics;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.util.CommandContext;

import junit.framework.TestCase;


/**
* @since 4.2
*/
public class TestRelationalNodeStatistics extends TestCase {

    private int actualNodeOutputRows;
    private int actualNodeNextBatchCalls;
    private int actualNodeCumulativeBlocks;
    private int actualNodeBlocks;
//    private long actualNodeProcessingTime;
//    private long actualNodeCumulativeProcessingTime;
//    private long actualNodeCumulativeNextBatchProcessingTime;
   
   
    public void testBatchTimer() {
        RelationalNodeStatistics testnodeStatistics = new RelationalNodeStatistics();
        testnodeStatistics.startBatchTimer();
        assertTrue("The batch timer did not yield a start time", testnodeStatistics.getBatchStartTime()!= 0); //$NON-NLS-1$
        testnodeStatistics.stopBatchTimer();
        assertTrue("The batch timer did not yield an end time", testnodeStatistics.getBatchEndTime()!= 0); //$NON-NLS-1$
    }

    public void testStatsCollection() throws TeiidComponentException, TeiidProcessingException {
        List[] data = createData(1000);
        FakeRelationalNode fakeNode = this.createFakeNode(data);
       
        // read from fake node
        while(true) {
            TupleBatch batch = fakeNode.nextBatch();
            if(batch.getTerminationFlag()) {
                break;
            }
        }
       
        this.actualNodeBlocks = fakeNode.getNodeStatistics().getNodeBlocks();
        this.actualNodeNextBatchCalls = fakeNode.getNodeStatistics().getNodeNextBatchCalls();
        this.actualNodeOutputRows = fakeNode.getNodeStatistics().getNodeOutputRows();
//            this.actualNodeCumulativeNextBatchProcessingTime = fakeNode.getNodeStatistics().getNodeCumulativeNextBatchProcessingTime();
//            this.actualNodeCumulativeProcessingTime = fakeNode.getNodeStatistics().getNodeCumulativeProcessingTime();
//            this.actualNodeProcessingTime = fakeNode.getNodeStatistics().getNodeProcessingTime();
       
        //System.out.println("Actual NodeComulativeNextBatchProcessingTime: "+ this.actualNodeCumulativeNextBatchProcessingTime); //$NON-NLS-1$
        //System.out.println("Actual NodeComulativeProcessingTime: "+ this.actualNodeCumulativeProcessingTime); //$NON-NLS-1$
        //System.out.println("Actual NodeProcessingTime: "+ this.actualNodeProcessingTime); //$NON-NLS-1$
       
        assertEquals("The NodeOutputRows was Inccorrect. Correct: 1000 Actual: "+ this.actualNodeOutputRows, 1000, this.actualNodeOutputRows); //$NON-NLS-1$
        assertEquals("The NodeNextBatchCalls was Inccorrect. Correct: 10 Actual: "+ this.actualNodeNextBatchCalls, 10, this.actualNodeNextBatchCalls); //$NON-NLS-1$
        assertEquals("The NodeBlocks was Inccorrect. Correct: 0 Actual: "+ this.actualNodeBlocks, 0, this.actualNodeBlocks); //$NON-NLS-1$
        assertEquals("The NodeComulativeBlocks was Inccorrect. Correct: 0 Actual: "+ this.actualNodeCumulativeBlocks, 0, this.actualNodeCumulativeBlocks); //$NON-NLS-1$
    }

    public void testDescriptionProperties() throws Exception {
        List[] data = createData(1000);
        FakeRelationalNode fakeNode = this.createFakeNode(data);
       
        // read from fake node
        while(true) {
            TupleBatch batch = fakeNode.nextBatch();
            if(batch.getTerminationFlag()) {
                break;
            }
        }
        assertEquals("FakeRelationalNode", fakeNode.getDescriptionProperties().getName()); //$NON-NLS-1$
    }
   
    private FakeRelationalNode createFakeNode(List[] data) {
        // setup
        ElementSymbol element = new ElementSymbol("a"); //$NON-NLS-1$
        element.setType(DataTypeManager.DefaultDataClasses.INTEGER);
        List elements = new ArrayList();
        elements.add(element);
       
        FakeRelationalNode fakeNode = new FakeRelationalNode(1, data, 100);
        fakeNode.setElements(elements);
        CommandContext context = new CommandContext("pid", "group", null, null, null, 1, null, true); //$NON-NLS-1$ //$NON-NLS-2$
        fakeNode.initialize(context, BufferManagerFactory.getStandaloneBufferManager(), null);
        return fakeNode;
    }
   
    private List[] createData(int rows) {
        List[] data = new List[rows];
        for(int i=0; i<rows; i++) {
            data[i] = new ArrayList();
            data[i].add(new Integer(i));
        }  
        return data;
    }  
}
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