gemfire-core/src/test/java/com/gemstone/gemfire/cache/query/functional/IUM6Bug32345ReJUnitTest.java

/*=========================================================================
 * Copyright (c) 2010-2014 Pivotal Software, Inc. All Rights Reserved.
 * This product is protected by U.S. and international copyright
 * and intellectual property laws. Pivotal products are covered by
 * one or more patents listed at http://www.pivotal.io/patents.
 *=========================================================================
 */
package com.gemstone.gemfire.cache.query.functional;

import static org.junit.Assert.fail;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.query.CacheUtils;
import com.gemstone.gemfire.cache.query.Index;
import com.gemstone.gemfire.cache.query.IndexType;
import com.gemstone.gemfire.cache.query.Query;
import com.gemstone.gemfire.cache.query.QueryService;
import com.gemstone.gemfire.cache.query.SelectResults;
import com.gemstone.gemfire.cache.query.Struct;
import com.gemstone.gemfire.cache.query.Utils;
import com.gemstone.gemfire.cache.query.data.Portfolio;
import com.gemstone.gemfire.cache.query.data.Position;
import com.gemstone.gemfire.cache.query.internal.QueryObserverAdapter;
import com.gemstone.gemfire.cache.query.internal.QueryObserverHolder;
import com.gemstone.gemfire.cache.query.types.StructType;
import com.gemstone.gemfire.test.junit.categories.IntegrationTest;

/**
 * IUM6Bug32345ReJUnitTest.java
 *
 * Created on May 5, 2005, 10:32 AM
 */
@Category(IntegrationTest.class)
public class IUM6Bug32345ReJUnitTest{
  StructType resType1=null;
  StructType resType2= null;

  String[] strg1 = null;
  String[] strg2= null;

  int resSize1=0;
  int resSize2=0;

  Object valPf1=null;
  Object valPos1=null;

  Object valPf2=null;
  Object valPos2=null;

  Iterator itert1=null;
  Iterator itert2=null;

  Set set1=null;
  Set set2=null;

  boolean isActive1=false;
  boolean isActive2=false;

  @Before
  public void setUp() throws java.lang.Exception {
    CacheUtils.startCache();
  }

  @After
  public void tearDown() throws java.lang.Exception {
    CacheUtils.closeCache();
  }

  @Test
  public void testComparisonBetnWithAndWithoutIndexCreation() throws Exception {

    Region region = CacheUtils.createRegion("pos", Portfolio.class);
    for(int i=0;i<4;i++){
      region.put(""+i, new Portfolio(i));
    }
    QueryService qs;
    qs = CacheUtils.getQueryService();
    String queries[] = {
        "SELECT DISTINCT * FROM /pos pf,  positions.values pos where pf.status='active' and pos.secId= 'IBM' and ID = 0"        
    };
    SelectResults sr[][] = new SelectResults[queries.length][2];
    for (int i = 0; i < queries.length; i++) {
      Query q = null;
      try {
        q = CacheUtils.getQueryService().newQuery(queries[i]);
        QueryObserverImpl observer = new QueryObserverImpl();
        QueryObserverHolder.setInstance(observer);
        sr[i][0] =(SelectResults) q.execute();
        if(!observer.isIndexesUsed){
          CacheUtils.log("NO INDEX USED");
        }
        CacheUtils.log(Utils.printResult(sr[i][0]));
        resType1 =(StructType)(sr[i][0]).getCollectionType().getElementType();  
        resSize1 =((sr[i][0]).size());

        strg1=resType1.getFieldNames();

        set1=((sr[i][0]).asSet());
        Iterator iter=set1.iterator();
        while (iter.hasNext()){
          Struct stc1=(Struct)iter.next();
          valPf1=stc1.get(strg1[0]);
          valPos1=stc1.get(strg1[1]);
          isActive1=((Portfolio)stc1.get(strg1[0])).isActive();

        }
      }
      catch (Exception e) {
        e.printStackTrace();
        fail(q.getQueryString());
      }
    }

    //  Create an Index on status and execute the same query again.

    qs = CacheUtils.getQueryService();
    qs.createIndex("statusIndex", IndexType.FUNCTIONAL,"pf.status","/pos pf, pf.positions.values pos");
    //Retesting BUG # 32345
    //Index index2 = (Index)qs.createIndex("secIdIndex", IndexType.FUNCTIONAL,"pos.secId","/pos pf, pf.positions.values pos");
    qs.createIndex("IDIndex", IndexType.FUNCTIONAL,"pf.ID","/pos pf, pf.positions.values pos");
    String queries2[] = {
        "SELECT DISTINCT * FROM /pos pf,  positions.values pos where pf.status='active' and pos.secId= 'IBM' and ID = 0"
    };
    for (int i = 0; i < queries.length; i++) {
      Query q = null;
      try {
        q = CacheUtils.getQueryService().newQuery(queries[i]);
        QueryObserverImpl observer2 = new QueryObserverImpl();
        QueryObserverHolder.setInstance(observer2);
        sr[i][1] = (SelectResults)q.execute();
        if(observer2.isIndexesUsed){
          CacheUtils.log("YES INDEX IS USED!");
        }
        else {
          fail("Index NOT Used");
        }
        CacheUtils.log(Utils.printResult(sr[i][1]));
        resType2 =(StructType)(sr[i][1]).getCollectionType().getElementType();  
        resSize2 =((sr[i][1]).size());
        //         CacheUtils.log(resType2);
        strg2=resType2.getFieldNames();
        //         CacheUtils.log(strg2[0]);
        //         CacheUtils.log(strg2[1]);         

        set2=((sr[i][1]).asSet());
        Iterator iter=set2.iterator();
        while (iter.hasNext()){
          Struct stc2=(Struct)iter.next();
          valPf2=stc2.get(strg2[0]);
          valPos2=stc2.get(strg2[1]);
          isActive2=((Portfolio)stc2.get(strg2[0])).isActive();
          //        CacheUtils.log(valPf2);
          //        CacheUtils.log(valPos2);
        }
      }
      catch (Exception e) {
        e.printStackTrace();
        fail(q.getQueryString());
      }
    }

    if ((resType1).equals(resType2)){      
      CacheUtils.log("Both Search Results are of the same Type i.e.--> "+resType1);
    }else {
      fail("FAILED:Search result Type is different in both the cases");
    }
    if (resSize1==resSize2 || resSize1 != 0){      
      CacheUtils.log("Both Search Results are Non-zero and are of Same Size i.e.  Size= "+resSize1);
    }else {
      fail("FAILED:Search result Type is different in both the cases");   
    }
    itert2 = set2.iterator();
    itert1 = set1.iterator();
    while (itert1.hasNext()){
      Struct stc2=(Struct)itert2.next();
      Struct stc1 = (Struct)itert1.next();
      if( stc2.get(strg2[0]) != stc1.get(strg1[0])  )
        fail("FAILED: In both the Cases the first member of StructSet i.e. Portfolio are different. ");
      if(stc2.get(strg2[1]) != stc1.get(strg1[1]))
        fail("FAILED: In both the cases Positions are different");
      if(((Position)stc2.get(strg2[1])).secId != ((Position)stc1.get(strg1[1])).secId)
        fail("FAILED: In both the cases Positions secIds are different");
      if (((Portfolio)stc2.get(strg2[0])).isActive() != ((Portfolio)stc1.get(strg1[0])).isActive() )
        fail("FAILED: Status of the Portfolios found are different");
      if (((Portfolio)stc2.get(strg2[0])).getID() != ((Portfolio)stc1.get(strg1[0])).getID() )
        fail("FAILED: IDs of the Portfolios found are different");
    }
    CacheUtils.compareResultsOfWithAndWithoutIndex(sr, this);
  }

  class QueryObserverImpl extends QueryObserverAdapter{
    boolean isIndexesUsed = false;
    ArrayList indexesUsed = new ArrayList();

    public void beforeIndexLookup(Index index, int oper, Object key) {
      indexesUsed.add(index.getName());
    }

    public void afterIndexLookup(Collection results) {
      if(results != null){
        isIndexesUsed = true;
      }
    }
  }
}