Example usage for java.io Closeable Closeable

Introduction

In this page you can find the example usage for java.io Closeable Closeable.

Prototype

Closeable

Source Link

Usage

From source file:org.apache.jackrabbit.oak.plugins.tika.TextExtractorMain.java

private static Closeable asCloseable(final DocumentNodeStore dns) {
    return new Closeable() {
        @Override//from   w w w .j  ava  2s  .  c o  m
        public void close() throws IOException {
            dns.dispose();
        }
    };
}

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From source file:org.apache.jackrabbit.oak.plugins.tika.TextExtractorMain.java

private static Closeable asCloseable(final MongoConnection con) {
    return new Closeable() {
        @Override/*from w ww . ja  v  a  2 s.c  o  m*/
        public void close() throws IOException {
            con.close();
        }
    };
}

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From source file:org.apache.bval.jsr.ConfigurationImpl.java

public Closeable getClosable() {
    return new Closeable() {
        public void close() throws IOException {
            for (final BValExtension.Releasable<?> releasable : releasables) {
                releasable.release();/*from  www  . jav  a 2 s . co m*/
            }
            releasables.clear();
        }
    };
}

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From source file:org.apache.gobblin.scheduler.JobScheduler.java

/**
 * Start the job configuration file monitor using generic file system API.
 *
 * <p>/*from   w  w  w . j a  v a  2s.c o  m*/
 *   The job configuration file monitor currently only supports monitoring the following types of changes:
 *
 *   <ul>
 *     <li>New job configuration files.</li>
 *     <li>Changes to existing job configuration files.</li>
 *     <li>Changes to existing common properties file with a .properties extension.</li>
 *     <li>Deletion to existing job configuration files.</li>
 *     <li>Deletion to existing common properties file with a .properties extension.</li>
 *   </ul>
 * </p>
 *
 * <p>
 *   This monitor has one limitation: in case more than one file including at least one common properties
 *   file are changed between two adjacent checks, the reloading of affected job configuration files may
 *   be intermixed and applied in an order that is not desirable. This is because the order the listener
 *   is called on the changes is not controlled by Gobblin, but instead by the monitor itself.
 * </p>
 */
private void startGeneralJobConfigFileMonitor() throws Exception {
    SchedulerUtils.addPathAlterationObserver(this.pathAlterationDetector, this.listener, jobConfigFileDirPath);
    this.pathAlterationDetector.start();
    this.closer.register(new Closeable() {
        @Override
        public void close() throws IOException {
            try {
                pathAlterationDetector.stop(1000);
            } catch (InterruptedException e) {
                throw new IOException(e);
            }
        }
    });
}

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From source file:mil.nga.giat.geowave.datastore.accumulo.AccumuloDataStore.java

protected <T> CloseableIterator<T> getBatchDeleters(final DataStoreCallbackManager callbackCache,
        final MemoryAdapterStore tempAdapterStore,
        final List<Pair<PrimaryIndex, List<DataAdapter<Object>>>> indexAdapterPairs,
        final QueryOptions sanitizedQueryOptions, final Query sanitizedQuery, final DupTracker dupTracker) {
    final boolean DELETE = true; // for readability
    final List<CloseableIterator<Object>> results = new ArrayList<CloseableIterator<Object>>();

    for (final Pair<PrimaryIndex, List<DataAdapter<Object>>> indexAdapterPair : indexAdapterPairs) {
        final List<ByteArrayId> adapterIdsToQuery = new ArrayList<>();
        for (final DataAdapter<Object> adapter : indexAdapterPair.getRight()) {

            // Add scan callback for bookkeeping
            final ScanCallback<Object> callback = new ScanCallback<Object>() {
                @Override/*from   w  w w .  j  av a  2 s .c om*/
                public void entryScanned(final DataStoreEntryInfo entryInfo, final Object entry) {
                    updateDupCounts(dupTracker, adapter.getAdapterId(), entryInfo);

                    callbackCache.getDeleteCallback((WritableDataAdapter<Object>) adapter,
                            indexAdapterPair.getLeft()).entryDeleted(entryInfo, entry);
                }
            };

            sanitizedQueryOptions.setScanCallback(callback);

            if (sanitizedQuery instanceof RowIdQuery) {
                sanitizedQueryOptions.setLimit(-1);
                results.add(queryRowIds(adapter, indexAdapterPair.getLeft(),
                        ((RowIdQuery) sanitizedQuery).getRowIds(), null, sanitizedQueryOptions,
                        tempAdapterStore, DELETE));
                continue;
            } else if (sanitizedQuery instanceof PrefixIdQuery) {
                final PrefixIdQuery prefixIdQuery = (PrefixIdQuery) sanitizedQuery;
                results.add(queryRowPrefix(indexAdapterPair.getLeft(), prefixIdQuery.getRowPrefix(),
                        sanitizedQueryOptions, tempAdapterStore, adapterIdsToQuery, DELETE));
                continue;
            }
            adapterIdsToQuery.add(adapter.getAdapterId());
        }
        // supports querying multiple adapters in a single index
        // in one query instance (one scanner) for efficiency
        if (adapterIdsToQuery.size() > 0) {
            results.add(queryConstraints(adapterIdsToQuery, indexAdapterPair.getLeft(), sanitizedQuery, null,
                    sanitizedQueryOptions, tempAdapterStore, DELETE));
        }
    }

    return new CloseableIteratorWrapper<T>(new Closeable() {
        @Override
        public void close() throws IOException {
            for (final CloseableIterator<Object> result : results) {
                result.close();
            }
        }
    }, Iterators.concat(new CastIterator<T>(results.iterator())));
}

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