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Java CqlConfigHelper.setInputWhereClauses方法代码示例

本文整理汇总了Java中org.apache.cassandra.hadoop.cql3.CqlConfigHelper.setInputWhereClauses方法的典型用法代码示例。如果您正苦于以下问题：Java CqlConfigHelper.setInputWhereClauses方法的具体用法？Java CqlConfigHelper.setInputWhereClauses怎么用？Java CqlConfigHelper.setInputWhereClauses使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.cassandra.hadoop.cql3.CqlConfigHelper的用法示例。


在下文中一共展示了CqlConfigHelper.setInputWhereClauses方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: run

import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
public int run(String[] args) throws Exception
{
    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);

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

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

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

        job.setOutputFormatClass(CqlOutputFormat.class);

        ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
        job.getConfiguration().set(PRIMARY_KEY, "word,sum");
        String query = "UPDATE " + KEYSPACE + "." + OUTPUT_COLUMN_FAMILY +
                       " SET count_num = ? ";
        CqlConfigHelper.setOutputCql(job.getConfiguration(), query);
        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "Murmur3Partitioner");
    }

    job.setInputFormatClass(CqlPagingInputFormat.class);

    ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
    ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
    ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);
    ConfigHelper.setInputPartitioner(job.getConfiguration(), "Murmur3Partitioner");

    CqlConfigHelper.setInputCQLPageRowSize(job.getConfiguration(), "3");
    //this is the user defined filter clauses, you can comment it out if you want count all titles
    CqlConfigHelper.setInputWhereClauses(job.getConfiguration(), "title='A'");
    job.waitForCompletion(true);
    return 0;
}
开发者ID:pgaref，项目名称:ACaZoo，代码行数:57，代码来源:WordCount.java

示例2: setLocation

import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException
{
    conf = job.getConfiguration();
    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);

    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.parseInt(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);
}
开发者ID:pgaref，项目名称:ACaZoo，代码行数:55，代码来源:CqlStorage.java

示例3: setLocation

import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException
{
    conf = HadoopCompat.getConfiguration(job);
    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.parseInt(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);
}
开发者ID:daidong，项目名称:GraphTrek，代码行数:59，代码来源:CqlStorage.java

示例4: setLocation

import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException
{
    conf = job.getConfiguration();
    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);

    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 RuntimeException("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);
}
开发者ID:dprguiuc，项目名称:Cassandra-Wasef，代码行数:55，代码来源:CqlStorage.java

示例5: setLocation

import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException
{
    conf = job.getConfiguration();
    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.parseInt(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);
}
开发者ID:mafernandez-stratio，项目名称:cassandra-cqlMod，代码行数:59，代码来源:CqlStorage.java

示例6: setLocation

import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set read configuration settings */
public void setLocation(String location, Job job) throws IOException
{
    conf = job.getConfiguration();
    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);
}
开发者ID:wso2，项目名称:wso2-cassandra，代码行数:59，代码来源:CqlStorage.java


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