Example usage for org.apache.cassandra.hadoop ConfigHelper setInputPartitioner

Introduction

In this page you can find the example usage for org.apache.cassandra.hadoop ConfigHelper setInputPartitioner.

Prototype

public static void setInputPartitioner(Configuration conf, String classname) 

Source Link

Usage

From source file:WordCountCounters.java

License:Apache License

public int run(String[] args) throws Exception {
    Job job = new Job(getConf(), "wordcountcounters");
    job.setJarByClass(WordCountCounters.class);
    job.setMapperClass(SumMapper.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(LongWritable.class);
    FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX));

    job.setInputFormatClass(ColumnFamilyInputFormat.class);

    ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
    ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
    ConfigHelper.setInputPartitioner(job.getConfiguration(), "org.apache.cassandra.dht.Murmur3Partitioner");
    ConfigHelper.setInputColumnFamily(job.getConfiguration(), WordCount.KEYSPACE,
            WordCountCounters.COUNTER_COLUMN_FAMILY);
    SlicePredicate predicate = new SlicePredicate()
            .setSlice_range(new SliceRange().setStart(ByteBufferUtil.EMPTY_BYTE_BUFFER)
                    .setFinish(ByteBufferUtil.EMPTY_BYTE_BUFFER).setCount(100));
    ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

    job.waitForCompletion(true);//  w ww .java  2  s. c  om
    return 0;
}

---

From source file:WordCount.java

License:Apache License

public int run(String[] args) throws Exception {
    ///start/*from w  w  w .j  av  a  2 s.c  om*/
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }
    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";
        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);
        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);

            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);

            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);

            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }
        job.setInputFormatClass(ColumnFamilyInputFormat.class);
        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");

        //Change partitioner here
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);

        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row
        //Son degisiklik Super Column Support ?
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);

        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");
        job.waitForCompletion(true);
    }

    final double duration = (System.currentTimeMillis() - startTime) / 1000.0;
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:WordCount.java

License:Apache License

public int run(String[] args) throws Exception {

    ///start//from ww  w.  j ava 2 s .com
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }
    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";
        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);

        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);

            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);

            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);

            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }

        job.setInputFormatClass(ColumnFamilyInputFormat.class);
        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);

        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row
        //Son degisiklik
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);
        //System.out.println("tessssssaaat");

        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");

        job.waitForCompletion(true);
    }
    //print
    final double duration = (System.currentTimeMillis() - startTime) / 1000.0; // after
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:WordCount.java

License:Apache License

public int run(String[] args) throws Exception {

    ///start/*from  w  w w .  j av  a  2  s.c o m*/
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }

    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";

        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);

        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);
            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);
            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);
            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }
        job.setInputFormatClass(ColumnFamilyInputFormat.class);
        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);

        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row          
        //Son degisiklik
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);
        //System.out.println("tessssssaaat");

        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");

        job.waitForCompletion(true);
    }

    //print
    final double duration = (System.currentTimeMillis() - startTime) / 1000.0; // after
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:WordCount.java

License:Apache License

public int run(String[] args) throws Exception {

    ///start//from  w w  w .  j a va 2s. c om
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }
    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";
        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);
        //System.out.println("test");

        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);
            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);
            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);
            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }

        job.setInputFormatClass(ColumnFamilyInputFormat.class);

        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);
        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row

        //Son degisiklik
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);
        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");
        job.waitForCompletion(true);
    }
    //print
    final double duration = (System.currentTimeMillis() - startTime) / 1000.0; // after
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:co.cask.hydrator.plugin.batch.source.BatchCassandraSource.java

License:Apache License

@Override
public void prepareRun(BatchSourceContext context) throws Exception {
    Configuration conf = new Configuration();
    conf.clear();/*from ww  w.j a v a  2  s . c  o  m*/

    ConfigHelper.setInputColumnFamily(conf, config.keyspace, config.columnFamily);
    ConfigHelper.setInputInitialAddress(conf, config.initialAddress);
    ConfigHelper.setInputPartitioner(conf, config.partitioner);
    ConfigHelper.setInputRpcPort(conf, (config.port == null) ? "9160" : Integer.toString(config.port));
    Preconditions
            .checkArgument(!(Strings.isNullOrEmpty(config.username) ^ Strings.isNullOrEmpty(config.password)),
                    "You must either set both username and password or neither username nor password. "
                            + "Currently, they are username: " + config.username + " and password: "
                            + config.password);
    if (!Strings.isNullOrEmpty(config.username)) {
        ConfigHelper.setInputKeyspaceUserNameAndPassword(conf, config.username, config.password);
    }

    if (!Strings.isNullOrEmpty(config.properties)) {
        for (String pair : config.properties.split(",")) {
            // the key and value of properties might have spaces so remove only leading and trailing ones
            conf.set(CharMatcher.WHITESPACE.trimFrom(pair.split(":")[0]),
                    CharMatcher.WHITESPACE.trimFrom(pair.split(":")[1]));
        }
    }
    CqlConfigHelper.setInputCql(conf, config.query);
    context.setInput(Input.of(config.referenceName, new SourceInputFormatProvider(CqlInputFormat.class, conf)));
}

---

From source file:com.dse.pig.udfs.AbstractCassandraStorage.java

License:Apache License

/** set hadoop cassandra connection settings */
protected void setConnectionInformation() throws IOException {
    if (System.getenv(PIG_RPC_PORT) != null) {
        ConfigHelper.setInputRpcPort(conf, System.getenv(PIG_RPC_PORT));
        ConfigHelper.setOutputRpcPort(conf, System.getenv(PIG_RPC_PORT));
    }// ww  w. java 2  s .  c o  m

    if (System.getenv(PIG_INPUT_RPC_PORT) != null)
        ConfigHelper.setInputRpcPort(conf, System.getenv(PIG_INPUT_RPC_PORT));
    if (System.getenv(PIG_OUTPUT_RPC_PORT) != null)
        ConfigHelper.setOutputRpcPort(conf, System.getenv(PIG_OUTPUT_RPC_PORT));

    if (System.getenv(PIG_INITIAL_ADDRESS) != null) {
        ConfigHelper.setInputInitialAddress(conf, System.getenv(PIG_INITIAL_ADDRESS));
        ConfigHelper.setOutputInitialAddress(conf, System.getenv(PIG_INITIAL_ADDRESS));
    }
    if (System.getenv(PIG_INPUT_INITIAL_ADDRESS) != null)
        ConfigHelper.setInputInitialAddress(conf, System.getenv(PIG_INPUT_INITIAL_ADDRESS));
    if (System.getenv(PIG_OUTPUT_INITIAL_ADDRESS) != null)
        ConfigHelper.setOutputInitialAddress(conf, System.getenv(PIG_OUTPUT_INITIAL_ADDRESS));

    if (System.getenv(PIG_PARTITIONER) != null) {
        ConfigHelper.setInputPartitioner(conf, System.getenv(PIG_PARTITIONER));
        ConfigHelper.setOutputPartitioner(conf, System.getenv(PIG_PARTITIONER));
    }
    if (System.getenv(PIG_INPUT_PARTITIONER) != null)
        ConfigHelper.setInputPartitioner(conf, System.getenv(PIG_INPUT_PARTITIONER));
    if (System.getenv(PIG_OUTPUT_PARTITIONER) != null)
        ConfigHelper.setOutputPartitioner(conf, System.getenv(PIG_OUTPUT_PARTITIONER));
    if (System.getenv(PIG_INPUT_FORMAT) != null)
        inputFormatClass = getFullyQualifiedClassName(System.getenv(PIG_INPUT_FORMAT));
    else
        inputFormatClass = DEFAULT_INPUT_FORMAT;
    if (System.getenv(PIG_OUTPUT_FORMAT) != null)
        outputFormatClass = getFullyQualifiedClassName(System.getenv(PIG_OUTPUT_FORMAT));
    else
        outputFormatClass = DEFAULT_OUTPUT_FORMAT;
}

---

From source file:com.dse.pig.udfs.CqlStorage.java

License:Apache License

/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException {
    conf = job.getConfiguration();/*from  w ww .j a va  2 s  .c o  m*/
    setLocationFromUri(location);

    if (username != null && password != null)
        ConfigHelper.setInputKeyspaceUserNameAndPassword(conf, username, password);
    if (splitSize > 0)
        ConfigHelper.setInputSplitSize(conf, splitSize);
    if (partitionerClass != null)
        ConfigHelper.setInputPartitioner(conf, partitionerClass);
    if (rpcPort != null)
        ConfigHelper.setInputRpcPort(conf, rpcPort);
    if (initHostAddress != null)
        ConfigHelper.setInputInitialAddress(conf, initHostAddress);

    ConfigHelper.setInputColumnFamily(conf, keyspace, column_family);
    setConnectionInformation();

    CqlConfigHelper.setInputCQLPageRowSize(conf, String.valueOf(pageSize));
    if (columns != null && !columns.trim().isEmpty())
        CqlConfigHelper.setInputColumns(conf, columns);

    String whereClauseForPartitionFilter = getWhereClauseForPartitionFilter();
    String wc = whereClause != null && !whereClause.trim().isEmpty()
            ? whereClauseForPartitionFilter == null ? whereClause
                    : String.format("%s AND %s", whereClause.trim(), whereClauseForPartitionFilter)
            : whereClauseForPartitionFilter;

    if (wc != null) {
        logger.debug("where clause: {}", wc);
        CqlConfigHelper.setInputWhereClauses(conf, wc);
    }

    if (System.getenv(PIG_INPUT_SPLIT_SIZE) != null) {
        try {
            ConfigHelper.setInputSplitSize(conf, Integer.valueOf(System.getenv(PIG_INPUT_SPLIT_SIZE)));
        } catch (NumberFormatException e) {
            throw new IOException("PIG_INPUT_SPLIT_SIZE is not a number", e);
        }
    }

    if (ConfigHelper.getInputRpcPort(conf) == 0)
        throw new IOException("PIG_INPUT_RPC_PORT or PIG_RPC_PORT environment variable not set");
    if (ConfigHelper.getInputInitialAddress(conf) == null)
        throw new IOException("PIG_INPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS environment variable not set");
    if (ConfigHelper.getInputPartitioner(conf) == null)
        throw new IOException("PIG_INPUT_PARTITIONER or PIG_PARTITIONER environment variable not set");
    if (loadSignature == null)
        loadSignature = location;

    initSchema(loadSignature);
}

---

From source file:net.orpiske.tcs.wc.main.Main.java

License:Apache License

/**
 * Setup the M/R job to read from the references table from Cassandra
 * @param configuration/*from   ww w.j av a  2s .  com*/
 */
private void inputConfiguration(Configuration configuration) {
    ConfigHelper.setInputRpcPort(configuration, DB_PORT);
    ConfigHelper.setInputInitialAddress(configuration, DB_HOST);
    ConfigHelper.setInputPartitioner(configuration, PARTITIONER);

    ConfigHelper.setInputColumnFamily(configuration, KEYSPACE, INPUT_TABLE);

    List<ByteBuffer> columns = Arrays.asList(ByteBufferUtil.bytes("reference_text"),
            ByteBufferUtil.bytes("domain"));

    SlicePredicate predicate = new SlicePredicate().setColumn_names(columns);

    ConfigHelper.setInputSlicePredicate(configuration, predicate);
}

---

From source file:org.apache.hadoop.hive.cassandra.input.cql.HiveCqlInputFormat.java

License:Apache License

@Override
public RecordReader<MapWritableComparable, MapWritable> getRecordReader(InputSplit split, JobConf jobConf,
        final Reporter reporter) throws IOException {
    HiveCassandraStandardSplit cassandraSplit = (HiveCassandraStandardSplit) split;

    List<String> columns = CqlSerDe.parseColumnMapping(cassandraSplit.getColumnMapping());

    List<Integer> readColIDs = ColumnProjectionUtils.getReadColumnIDs(jobConf);

    if (columns.size() < readColIDs.size()) {
        throw new IOException("Cannot read more columns than the given table contains.");
    }// w  w w  .  j  ava 2s  .  c o m

    ColumnFamilySplit cfSplit = cassandraSplit.getSplit();
    Job job = new Job(jobConf);

    TaskAttemptContext tac = new TaskAttemptContext(job.getConfiguration(), new TaskAttemptID()) {
        @Override
        public void progress() {
            reporter.progress();
        }
    };

    SlicePredicate predicate = new SlicePredicate();

    predicate.setColumn_names(getColumnNames(columns, readColIDs));

    try {

        boolean wideRows = true;

        ConfigHelper.setInputColumnFamily(tac.getConfiguration(), cassandraSplit.getKeyspace(),
                cassandraSplit.getColumnFamily(), wideRows);

        ConfigHelper.setInputSlicePredicate(tac.getConfiguration(), predicate);
        ConfigHelper.setRangeBatchSize(tac.getConfiguration(), cassandraSplit.getRangeBatchSize());
        ConfigHelper.setInputRpcPort(tac.getConfiguration(), cassandraSplit.getPort() + "");
        ConfigHelper.setInputInitialAddress(tac.getConfiguration(), cassandraSplit.getHost());
        ConfigHelper.setInputPartitioner(tac.getConfiguration(), cassandraSplit.getPartitioner());
        // Set Split Size
        ConfigHelper.setInputSplitSize(tac.getConfiguration(), cassandraSplit.getSplitSize());

        LOG.info("Validators : " + tac.getConfiguration().get(CassandraColumnSerDe.CASSANDRA_VALIDATOR_TYPE));
        List<IndexExpression> indexExpr = parseFilterPredicate(jobConf);
        if (indexExpr != null) {
            //We have pushed down a filter from the Hive query, we can use this against secondary indexes
            ConfigHelper.setInputRange(tac.getConfiguration(), indexExpr);
        }

        CqlHiveRecordReader rr = new CqlHiveRecordReader(new CqlPagingRecordReader());

        rr.initialize(cfSplit, tac);

        return rr;

    } catch (Exception ie) {
        throw new IOException(ie);
    }
}

---

• «
• 1
• 2
• »