001: /* ====================================================================
002: * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
003: *
004: * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
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015: * the documentation and/or other materials provided with the
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017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by Jcorporate Ltd.
021: * (http://www.jcorporate.com/)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
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060: *
061: * Portions of this software are based upon other open source
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063: */
064:
065: package com.jcorporate.expresso.ext.tests;
066:
067: import com.jcorporate.expresso.core.db.DBException;
068: import com.jcorporate.expresso.core.registry.ExpressoThread;
069: import com.jcorporate.expresso.services.test.TestSystemInitializer;
070:
071: import java.util.ArrayList;
072: import java.util.Iterator;
073:
074: /**
075: * Thread that stresses DBObjects.
076: * <p/>
077: * Assumption - to simulate real life stuff, we're gonna
078: * assume that reads to updates have a ratio of 4 to 1
079: * </p>
080: *
081: * @author Michael Rimov
082: * @version $Revision: 1.2 $ $Date: 2004/11/17 20:48:23 $
083: */
084: public class StressThread extends ExpressoThread {
085: static final int NUM_RECORDS = 60;
086: ArrayList myIds = new ArrayList(NUM_RECORDS);
087: int numLoops;
088: int userUid;
089: boolean success = true;
090: int maxID = 0;
091:
092: public StressThread(int loops, int uid) {
093: numLoops = loops;
094: userUid = uid;
095: }
096:
097: public boolean getSuccess() {
098: return success;
099: }
100:
101: public void run() {
102: super .run();
103: try {
104: for (int i = 0; i < numLoops; i++) {
105: addTestObjects();
106: System.gc();
107: retrieveTestObjects();
108: System.gc();
109: updateTestObjects();
110: System.gc();
111: searchAndRetrieveTestObjects();
112: System.gc();
113: deleteTestObjects();
114: }
115: } catch (DBException dbe) {
116: success = false;
117: System.out.println(dbe.getMessage());
118: dbe.printStackTrace();
119: }
120: }
121:
122: protected void addTestObjects() throws DBException {
123: StressTestObject sto = new StressTestObject(userUid);
124: sto.setDataContext(TestSystemInitializer.getTestContext());
125: sto.setField("SomeData", "abcdefg");
126: sto.setField("SomeMoreData", "hijklmnop");
127:
128: for (int i = 0; i < NUM_RECORDS; i++) {
129: sto.add();
130: myIds.add(sto.getField("RecordID"));
131: }
132:
133: maxID = Integer.parseInt(sto.getField("RecordID"));
134: }
135:
136: /**
137: * Performs a repeated retrieve and update for each object
138: */
139: protected void updateTestObjects() throws DBException {
140: StressTestObject sto = new StressTestObject(userUid);
141: sto.setDataContext(TestSystemInitializer.getTestContext());
142:
143: for (Iterator i = myIds.iterator(); i.hasNext();) {
144: sto.setField("RecordID", (String) i.next());
145: sto.retrieve();
146: sto.setField("SomeData", "oser");
147: sto.setField("SomeMoreData", "good morning vietnam");
148: sto.update();
149: }
150: }
151:
152: /**
153: * Does a batch of searchAndRetrieve Lists grabbing only the first 50 records.
154: */
155: protected void searchAndRetrieveTestObjects() throws DBException {
156: StressTestObject sto = new StressTestObject(userUid);
157: sto.setDataContext(TestSystemInitializer.getTestContext());
158: sto.setMaxRecords(25);
159:
160: for (int i = 0; i < 20; i++) {
161: ArrayList al = sto.searchAndRetrieveList();
162:
163: if (al.size() == 0) {
164: throw new DBException("ArrayList was empty");
165: }
166: }
167: }
168:
169: protected void retrieveTestObjects() throws DBException {
170: StressTestObject sto = new StressTestObject(userUid);
171: sto.setDataContext(TestSystemInitializer.getTestContext());
172:
173: for (int j = 0; j < 5; j++) {
174: for (Iterator i = myIds.iterator(); i.hasNext();) {
175: sto.clear();
176: sto.setField("RecordID", (String) i.next());
177: sto.retrieve();
178: }
179: }
180: }
181:
182: protected void deleteTestObjects() throws DBException {
183: StressTestObject sto = new StressTestObject(userUid);
184: sto.setDataContext(TestSystemInitializer.getTestContext());
185:
186: for (Iterator i = myIds.iterator(); i.hasNext();) {
187: sto.setField("RecordID", (String) i.next());
188:
189: if (sto.find()) {
190: sto.delete();
191: }
192: }
193:
194: myIds = new ArrayList(NUM_RECORDS);
195: }
196: }
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