55 lines
1.4 KiB
Java
55 lines
1.4 KiB
Java
package org.gcube.data.access.storagehub.handlers.vres;
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import java.util.List;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Future;
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import javax.jcr.Repository;
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import javax.jcr.SimpleCredentials;
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import org.gcube.common.storagehub.model.exceptions.BackendGenericError;
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import org.gcube.common.storagehub.model.items.Item;
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import org.gcube.data.access.storagehub.handlers.items.Node2ItemConverter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class VRE {
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private static final Logger logger = LoggerFactory.getLogger(VRE.class);
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private Item vreFolder;
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private Future<List<Item>> result;
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private VREQueryRetriever vreQueryRetriever;
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private ExecutorService executor;
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protected VRE(Item item, Repository repository, SimpleCredentials credentials, Node2ItemConverter node2Item, ExecutorService executor) {
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super();
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this.vreFolder = item;
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this.executor = executor;
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vreQueryRetriever = new VREQueryRetriever(repository, credentials, node2Item, vreFolder);
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result = executor.submit(vreQueryRetriever);
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}
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public Item getVreFolder() {
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return vreFolder;
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}
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public synchronized List<Item> getRecents() throws BackendGenericError{
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try {
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logger.trace("getting recents");
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if (result.isDone()) {
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result = executor.submit(vreQueryRetriever);
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}
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return result.get();
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}catch(Exception ee) {
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throw new BackendGenericError(ee);
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}
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}
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}
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