本文整理汇总了Java中org.apache.cassandra.hadoop.cql3.CqlConfigHelper.setOutputCql方法的典型用法代码示例。如果您正苦于以下问题：Java CqlConfigHelper.setOutputCql方法的具体用法？Java CqlConfigHelper.setOutputCql怎么用？Java CqlConfigHelper.setOutputCql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.setOutputCql方法的4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: setStoreLocation
import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set store configuration settings */
public void setStoreLocation(String location, Job job) throws IOException
{
conf = HadoopCompat.getConfiguration(job);
setLocationFromUri(location);
if (username != null && password != null)
ConfigHelper.setOutputKeyspaceUserNameAndPassword(conf, username, password);
if (splitSize > 0)
ConfigHelper.setInputSplitSize(conf, splitSize);
if (partitionerClass!= null)
ConfigHelper.setOutputPartitioner(conf, partitionerClass);
if (rpcPort != null)
{
ConfigHelper.setOutputRpcPort(conf, rpcPort);
ConfigHelper.setInputRpcPort(conf, rpcPort);
}
if (initHostAddress != null)
{
ConfigHelper.setOutputInitialAddress(conf, initHostAddress);
ConfigHelper.setInputInitialAddress(conf, initHostAddress);
}
ConfigHelper.setOutputColumnFamily(conf, keyspace, column_family);
CqlConfigHelper.setOutputCql(conf, outputQuery);
setConnectionInformation();
if (ConfigHelper.getOutputRpcPort(conf) == 0)
throw new IOException("PIG_OUTPUT_RPC_PORT or PIG_RPC_PORT environment variable not set");
if (ConfigHelper.getOutputInitialAddress(conf) == null)
throw new IOException("PIG_OUTPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS environment variable not set");
if (ConfigHelper.getOutputPartitioner(conf) == null)
throw new IOException("PIG_OUTPUT_PARTITIONER or PIG_PARTITIONER environment variable not set");
initSchema(storeSignature);
}
示例2: setStoreLocation
import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set store configuration settings */
public void setStoreLocation(String location, Job job) throws IOException
{
conf = job.getConfiguration();
setLocationFromUri(location);
if (username != null && password != null)
ConfigHelper.setOutputKeyspaceUserNameAndPassword(conf, username, password);
if (splitSize > 0)
ConfigHelper.setInputSplitSize(conf, splitSize);
if (partitionerClass!= null)
ConfigHelper.setOutputPartitioner(conf, partitionerClass);
ConfigHelper.setOutputColumnFamily(conf, keyspace, column_family);
CqlConfigHelper.setOutputCql(conf, outputQuery);
setConnectionInformation();
if (ConfigHelper.getOutputRpcPort(conf) == 0)
throw new IOException("PIG_OUTPUT_RPC_PORT or PIG_RPC_PORT environment variable not set");
if (ConfigHelper.getOutputInitialAddress(conf) == null)
throw new IOException("PIG_OUTPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS environment variable not set");
if (ConfigHelper.getOutputPartitioner(conf) == null)
throw new IOException("PIG_OUTPUT_PARTITIONER or PIG_PARTITIONER environment variable not set");
initSchema(storeSignature);
}
示例3: setStoreLocation
import org.apache.cassandra.hadoop.cql3.CqlConfigHelper; //导入方法依赖的package包/类
/** set store configuration settings */
public void setStoreLocation(String location, Job job) throws IOException
{
conf = job.getConfiguration();
setLocationFromUri(location);
if (username != null && password != null)
ConfigHelper.setOutputKeyspaceUserNameAndPassword(conf, username, password);
if (splitSize > 0)
ConfigHelper.setInputSplitSize(conf, splitSize);
if (partitionerClass!= null)
ConfigHelper.setOutputPartitioner(conf, partitionerClass);
if (rpcPort != null)
{
ConfigHelper.setOutputRpcPort(conf, rpcPort);
ConfigHelper.setInputRpcPort(conf, rpcPort);
}
if (initHostAddress != null)
{
ConfigHelper.setOutputInitialAddress(conf, initHostAddress);
ConfigHelper.setInputInitialAddress(conf, initHostAddress);
}
ConfigHelper.setOutputColumnFamily(conf, keyspace, column_family);
CqlConfigHelper.setOutputCql(conf, outputQuery);
setConnectionInformation();
if (ConfigHelper.getOutputRpcPort(conf) == 0)
throw new IOException("PIG_OUTPUT_RPC_PORT or PIG_RPC_PORT environment variable not set");
if (ConfigHelper.getOutputInitialAddress(conf) == null)
throw new IOException("PIG_OUTPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS environment variable not set");
if (ConfigHelper.getOutputPartitioner(conf) == null)
throw new IOException("PIG_OUTPUT_PARTITIONER or PIG_PARTITIONER environment variable not set");
initSchema(storeSignature);
}
示例4: 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;
}