/*
* Copyright 2011 Esri.
*
* Licensed 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 com.esri.gpt.control.webharvest.client.thredds;
import com.esri.gpt.control.webharvest.IterationContext;
import com.esri.gpt.control.webharvest.client.waf.DestroyableResource;
import com.esri.gpt.control.webharvest.common.CommonResult;
import com.esri.gpt.framework.resource.adapters.LimitedLengthResourcesAdapter;
import com.esri.gpt.framework.resource.query.Criteria;
import com.esri.gpt.framework.resource.query.Query;
import com.esri.gpt.framework.resource.query.Result;
import java.util.HashSet;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* THREDDS query.
*/
class TQuery implements Query {
/** logger */
private static final Logger LOGGER = Logger.getLogger(TQuery.class.getCanonicalName());
/** iteration context */
private IterationContext context;
/** service info */
private TInfo info;
/** proxy */
private TProxy proxy;
/** query criteria */
private Criteria criteria;
public TQuery(IterationContext context, TInfo info, TProxy proxy, Criteria criteria) {
if (context == null) {
throw new IllegalArgumentException("No context provided.");
}
if (info == null) {
throw new IllegalArgumentException("No info provided.");
}
if (proxy == null)
throw new IllegalArgumentException("No proxy provided.");
this.context = context;
this.info = info;
this.proxy = proxy;
this.criteria = criteria;
}
@Override
public Result execute() {
LOGGER.log(Level.FINER, "Executing query: {0}", this);
final DestroyableResource rootFolder = new TFolder(context, info, proxy, criteria, new HashSet<String>());
Result r = new CommonResult(new LimitedLengthResourcesAdapter(rootFolder,criteria.getMaxRecords())) {
@Override
public void destroy() {
rootFolder.destroy();
info.destroy();
}
};
LOGGER.log(Level.FINER, "Completed query execution: {0}", this);
return r;
}
@Override
public String toString() {
return "{protocol: " + info + ", criteria:" + criteria + "}";
}
}