/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.cache.query.facets.lang;
import org.apache.geode.LogWriter;
import org.apache.geode.cache.AttributesFactory;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.RegionAttributes;
import org.apache.geode.cache.query.CacheUtils;
import org.apache.geode.cache.query.QueryService;
import java.util.*;
class Utils {
private static final Random RANDOM = new Random();
private static Cache _cache;
static {
try {
init();
} catch (Exception e) {
e.printStackTrace();
}
}
static void init() throws Exception {
CacheUtils.startCache();
_cache = CacheUtils.getCache();
}
static void installObserver() throws Exception {
// Class holderClass =
// Class.forName("org.apache.persistence.query.internal.query.QueryObserverHolder");
// Method meth = holderClass.getMethod(null, "getInstance", null);
}
static QueryService getQueryService() {
return _cache.getQueryService();
}
static Region createRegion(String regionName, Class valueConstraint) throws Exception {
AttributesFactory attributesFactory = new AttributesFactory();
attributesFactory.setValueConstraint(valueConstraint);
RegionAttributes regionAttributes = attributesFactory.create();
Region region = _cache.createRegion(regionName, regionAttributes);
return region;
}
static LogWriter getLogger() {
return _cache.getLogger();
}
static void log(Object message) {
CacheUtils.log(message);
}
static void setSeed(long seed) {
RANDOM.setSeed(seed);
}
static List toTokens(String s) {
StringTokenizer tokenizer = new StringTokenizer(s, " ");
List l = new ArrayList();
while (tokenizer.hasMoreTokens())
l.add(tokenizer.nextToken());
return l;
}
/*
* static void checkpoint(GsSession gsSession) throws Exception { try { gsSession.commit();
*
* } catch (GsTransactionConflictException ex) { gsSession.abort(); throw new
* GsException("Commit Failed"); }
*
* gsSession.begin(); }
*
* static void canonicalize() throws Exception { // this step won't be necessary when we have a
* query layer filein GsSession gsSession = SessionManagerImpl.getDefault().createSession();
* gsSession.begin(); // load the QueryService interface
* Class.forName("org.apache.persistence.query.QueryService");
* org.apache.persistence.vm.VMFactory.getCurrentVM().commitReposCanonicalObjs(gsSession); try {
* gsSession.commit();
*
* } catch (GsTransactionConflictException ex) { System.err.println("Commit Failed"); return; }
* ((GsSession)gsSession).shutdown(); }
*/
static int randomInt(int low, int high) {
int range = high - low + 1;
return (int) (range * RANDOM.nextDouble()) + low;
}
static char randomAlphabetic() {
return (char) randomInt('A', 'z');
}
}