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A new concurrency test. Fixed bug in the way that paths were being handed
back in AVMNodeDescriptors. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3255 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
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245
source/java/org/alfresco/repo/avm/AVMCrawler.java
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245
source/java/org/alfresco/repo/avm/AVMCrawler.java
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/*
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* Copyright (C) 2006 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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*/
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package org.alfresco.repo.avm;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.PrintStream;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.Random;
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/**
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* This is another tester designed to emulate more typical use patterns.
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* @author britt
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*/
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class AVMCrawler implements Runnable
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{
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/**
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* The AVMService to use.
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*/
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private AVMService fService;
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/**
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* The Operation count.
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*/
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private int fOpCount;
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/**
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* Whether we are done.
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*/
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private boolean fDone;
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/**
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* Whether an error has occurred.
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*/
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private boolean fError;
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/**
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* Random number generator.
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*/
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private Random fRandom;
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/**
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* Make up a new one.
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* @param service The AVMService.
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*/
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public AVMCrawler(AVMService service)
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{
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fService = service;
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fOpCount = 0;
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fDone = false;
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fError = false;
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fRandom = new Random();
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}
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/**
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* Tell this thread it is done.
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*/
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public void setDone()
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{
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fDone = true;
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}
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/**
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* Is this thread in an error state.
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*/
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public boolean getError()
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{
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return fError;
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}
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/**
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* Implementation of run.
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*/
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public void run()
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{
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try
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{
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while (!fDone)
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{
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doCrawl();
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}
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}
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catch (Exception e)
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{
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fError = true;
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}
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}
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/**
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* Do one crawl.
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*/
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public void doCrawl()
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{
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try
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{
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List<RepositoryDescriptor> reps = fService.getRepositories();
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fOpCount++;
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RepositoryDescriptor repDesc = reps.get(fRandom.nextInt(reps.size()));
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Map<String, AVMNodeDescriptor> rootListing = fService.getDirectoryListing(-1, repDesc.getName() + ":/");
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fOpCount++;
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// Get all the directories in the root.
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List<AVMNodeDescriptor> dirs = new ArrayList<AVMNodeDescriptor>();
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for (AVMNodeDescriptor desc : rootListing.values())
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{
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if (desc.isDirectory())
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{
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dirs.add(desc);
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}
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}
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AVMNodeDescriptor dir = dirs.get(fRandom.nextInt(dirs.size()));
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while (dir != null)
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{
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Map<String, AVMNodeDescriptor> listing = fService.getDirectoryListing(-1, dir.getPath());
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fOpCount++;
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List<AVMNodeDescriptor> files = new ArrayList<AVMNodeDescriptor>();
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dirs = new ArrayList<AVMNodeDescriptor>();
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for (AVMNodeDescriptor desc : listing.values())
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{
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if (desc.isDirectory())
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{
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dirs.add(desc);
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}
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else
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{
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files.add(desc);
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}
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}
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// Read some files if there are any.
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if (files.size() > 0)
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{
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for (int i = 0; i < 6; i++)
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{
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BufferedReader
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reader = new BufferedReader
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(new InputStreamReader
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(fService.getFileInputStream(-1, files.get(fRandom.nextInt(files.size())).getPath())));
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fOpCount++;
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String line = reader.readLine();
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System.out.println(line);
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reader.close();
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}
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// Modify some files.
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for (int i = 0; i < 2; i++)
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{
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String path = files.get(fRandom.nextInt(files.size())).getPath();
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PrintStream out = new PrintStream(fService.getFileOutputStream(path));
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out.println("I am " + path);
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out.close();
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fOpCount++;
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}
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}
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// Create some files.
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for (int i = 0; i < 1; i++)
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{
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String name = randomName();
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PrintStream out = new PrintStream(fService.createFile(dir.getPath(), name));
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fOpCount++;
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out.println("I am " + name);
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out.close();
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}
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// 1 in 100 times create a directory.
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if (fRandom.nextInt(100) == 0)
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{
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String name = randomName();
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fService.createDirectory(dir.getPath(), name);
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fOpCount++;
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}
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if (listing.size() > 0)
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{
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// 1 in 100 times remove something
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if (fRandom.nextInt(100) == 0)
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{
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List<String> names = new ArrayList<String>(listing.keySet());
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fService.removeNode(dir.getPath(),
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names.get(fRandom.nextInt(names.size())));
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fOpCount++;
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}
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}
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if (dirs.size() > 0)
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{
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dir = dirs.get(fRandom.nextInt(dirs.size()));
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}
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else
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{
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dir = null;
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}
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}
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if (fRandom.nextInt(16) == 0)
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{
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fService.createSnapshot(repDesc.getName());
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fOpCount++;
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}
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}
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catch (Exception e)
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{
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if (e instanceof AVMNotFoundException ||
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e instanceof AVMExistsException)
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{
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return;
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}
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e.printStackTrace(System.err);
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throw new AVMException("Failure", e);
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}
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}
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/**
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* Get a random two character string.
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* @return A random name.
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*/
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private String randomName()
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{
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char [] chars = new char[2];
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chars[0] = (char)('a' + fRandom.nextInt(26));
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chars[1] = (char)('a' + fRandom.nextInt(26));
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return new String(chars);
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}
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/**
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* Get the operation count.
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*/
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public int getOpCount()
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{
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return fOpCount;
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}
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}
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