Package org.exist.storage

Source Code of org.exist.storage.LowLevelText

package org.exist.storage;

import junit.framework.TestCase;

import org.exist.security.PermissionDeniedException;
import org.exist.security.xacml.AccessContext;
import org.exist.source.StringSource;
import org.exist.util.Configuration;
import org.exist.xquery.CompiledXQuery;
import org.exist.xquery.XQuery;
import org.exist.xquery.XQueryContext;

/** Currently, tests for the {@link org.exist.storage.XQueryPool}
* with the {@link StringSource}.
*
* $Id$ */
public class LowLevelText extends TestCase {

  private static final String TEST_XQUERY_SOURCE = "/test";

  private static final String MY_TEST_INSTANCE = "my test instance";

  public static void main(String[] args) {
    junit.textui.TestRunner.run(LowLevelText.class);
  }

  private DBBroker broker;

  private XQueryPool pool;

  private StringSource stringSource;

  private CompiledXQuery preCompiledXQuery;

  protected void setUp() throws Exception {

    Configuration configuration = new Configuration();
    BrokerPool.configure(MY_TEST_INSTANCE, 1, 1, configuration);
    BrokerPool brokerPool = BrokerPool.getInstance(MY_TEST_INSTANCE);

    //BUG: need to be released!
    broker = brokerPool.get(brokerPool.getSecurityManager().getSystemSubject());
    pool = new XQueryPool(configuration);
    stringSource = new StringSource(TEST_XQUERY_SOURCE);

    XQuery xquery = broker.getXQueryService();
    XQueryContext context = new XQueryContext(broker.getBrokerPool(), AccessContext.TEST);
    preCompiledXQuery = xquery.compile(context, stringSource);
    System.out.println("pre-compiled XQuery: " + preCompiledXQuery);
  }

//  protected void tearDown() {
//    try {
//      BrokerPool.stopAll(false);
//    } catch (Exception e) {
//      fail(e.getMessage());
//    }
//  }

  /**
   * Test method for 'org.exist.storage.XQueryPool.borrowCompiledXQuery(DBBroker, Source)'
   */
  public void testBorrowCompiledXQuery1() {
    // put the preCompiledXQuery in cache - NOTE: returnCompiledXQuery() is not a good name
    pool.returnCompiledXQuery(stringSource, preCompiledXQuery);
    callAndTestBorrowCompiledXQuery(stringSource);
  }

  public void testBorrowCompiledXQuery2() {
    pool.returnCompiledXQuery(stringSource, preCompiledXQuery);

    callAndTestBorrowCompiledXQuery(stringSource);
    callAndTestBorrowCompiledXQuery(stringSource);
  }

  public void testBorrowCompiledXQuery3() {
    pool.returnCompiledXQuery(stringSource, preCompiledXQuery);

    callAndTestBorrowCompiledXQuery(stringSource);
    callAndTestBorrowCompiledXQuery(stringSource);
    callAndTestBorrowCompiledXQuery(stringSource);
  }

  /** test with a new StringSource object having same content */
  public void testBorrowCompiledXQueryNewStringSource() {
    pool.returnCompiledXQuery(stringSource, preCompiledXQuery);
    StringSource localStringSource = new StringSource(TEST_XQUERY_SOURCE);

    callAndTestBorrowCompiledXQuery(localStringSource);
  }

  /** test with a new StringSource object having same content */
  public void testBorrowCompiledXQueryNewStringSource2() {
    pool.returnCompiledXQuery(stringSource, preCompiledXQuery);
    StringSource localStringSource = new StringSource(TEST_XQUERY_SOURCE);

    callAndTestBorrowCompiledXQuery(localStringSource);
    callAndTestBorrowCompiledXQuery(localStringSource);
  }
 
  private void callAndTestBorrowCompiledXQuery(StringSource stringSourceArg) {
    CompiledXQuery compiledXQuery = null;
    try {
      compiledXQuery = pool.borrowCompiledXQuery(broker, stringSourceArg);
      System.out.println("compiledXQuery: " + compiledXQuery);
    } catch (PermissionDeniedException e) {
      e.printStackTrace();
    }
    assertNotNull(
        "borrowCompiledXQuery should retrieve something for this stringSource",
        compiledXQuery);
    assertEquals(
        "borrowCompiledXQuery should retrieve the preCompiled XQuery for this stringSource",
        compiledXQuery, preCompiledXQuery);
  }

}
/*
*  eXist Open Source Native XML Database
*  Copyright (C) 2001,  Wolfgang M. Meier (meier@ifs.tu-darmstadt.de) and the team.
*
*  This library is free software; you can redistribute it and/or
*  modify it under the terms of the GNU Library General Public License
*  as published by the Free Software Foundation; either version 2
*  of the License, or (at your option) any later version.
*
*  This library is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU Library General Public License for more details.
*
*  You should have received a copy of the GNU Library General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
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