本文整理汇总了Java中me.prettyprint.hector.api.query.SliceQuery.setColumnFamily方法的典型用法代码示例。如果您正苦于以下问题:Java SliceQuery.setColumnFamily方法的具体用法?Java SliceQuery.setColumnFamily怎么用?Java SliceQuery.setColumnFamily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me.prettyprint.hector.api.query.SliceQuery
的用法示例。
在下文中一共展示了SliceQuery.setColumnFamily方法的10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: getCiStateHistory
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
public List<CiChangeStateEvent> getCiStateHistory(long ciId, Long startTime, Long endTime, Integer count) {
if (count == null) count = 1000;
List<CiChangeStateEvent> states = new ArrayList<CiChangeStateEvent>();
SliceQuery<Long, Long, String> sliceQuery = HFactory.createSliceQuery(keyspace, longSerializer, longSerializer, stringSerializer);
sliceQuery.setColumnFamily(SchemaBuilder.CI_STATE_HIST_CF);
sliceQuery.setRange(startTime, endTime, false, count);
sliceQuery.setKey(ciId);
QueryResult<ColumnSlice<Long, String>> result = sliceQuery.execute();
ColumnSlice<Long, String> resultCols = result.get();
for (HColumn<Long, String> col : resultCols.getColumns()) {
CiChangeStateEvent event = gson.fromJson(col.getValue(), CiChangeStateEvent.class);
states.add(event);
}
return states;
}
示例2: queryStringIndex
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
private Iterable<String> queryStringIndex(final String key) {
SliceQuery<String, String, String> sliceQuery =
HFactory.createSliceQuery(m_keyspace, StringSerializer.get(), StringSerializer.get(),
StringSerializer.get());
sliceQuery.setColumnFamily(CF_STRING_INDEX);
sliceQuery.setKey(key);
ColumnSliceIterator<String, String, String> columnIterator =
new ColumnSliceIterator<String, String, String>(sliceQuery, "", (String) null, false, m_singleRowReadSize);
List<String> ret = new ArrayList<String>();
while (columnIterator.hasNext()) {
ret.add(columnIterator.next().getName());
}
return ret;
}
示例3: getMessage
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
@Override
public Message getMessage( UUID messageId ) {
SliceQuery<UUID, String, ByteBuffer> q =
createSliceQuery( cass.getApplicationKeyspace( applicationId ), ue, se, be );
q.setColumnFamily( MESSAGE_PROPERTIES.getColumnFamily() );
q.setKey( messageId );
q.setRange( null, null, false, ALL_COUNT );
QueryResult<ColumnSlice<String, ByteBuffer>> r = q.execute();
ColumnSlice<String, ByteBuffer> slice = r.get();
List<HColumn<String, ByteBuffer>> results = slice.getColumns();
return deserializeMessage( results );
}
示例4: getQueueCounterNames
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
@Override
public Set<String> getQueueCounterNames( String queuePath ) throws Exception {
Set<String> names = new HashSet<String>();
Keyspace ko = cass.getApplicationKeyspace( applicationId );
SliceQuery<String, String, ByteBuffer> q = createSliceQuery( ko, se, se, be );
q.setColumnFamily( QueuesCF.QUEUE_DICTIONARIES.toString() );
q.setKey( CassandraPersistenceUtils.key( getQueueId( queuePath ), DICTIONARY_COUNTERS ).toString() );
q.setRange( null, null, false, ALL_COUNT );
List<HColumn<String, ByteBuffer>> columns = q.execute().get().getColumns();
for ( HColumn<String, ByteBuffer> column : columns ) {
names.add( column.getName() );
}
return names;
}
示例5: getQueue
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
public Queue getQueue( String queuePath, UUID queueId ) {
SliceQuery<UUID, String, ByteBuffer> q =
createSliceQuery( cass.getApplicationKeyspace( applicationId ), ue, se, be );
q.setColumnFamily( QUEUE_PROPERTIES.getColumnFamily() );
q.setKey( queueId );
q.setRange( null, null, false, ALL_COUNT );
QueryResult<ColumnSlice<String, ByteBuffer>> r = q.execute();
ColumnSlice<String, ByteBuffer> slice = r.get();
List<HColumn<String, ByteBuffer>> results = slice.getColumns();
return deserializeQueue( results );
}
示例6: getConsumerIds
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
/**
* Get all pending transactions that have timed out
*
* @param queueId The queue id
* @param consumerId The consumer id
* @param params The server params
* @param startTimeUUID The start time
*/
protected List<TransactionPointer> getConsumerIds( UUID queueId, UUID consumerId, SearchParam params,
UUID startTimeUUID )
{
SliceQuery<ByteBuffer, UUID, UUID> q = createSliceQuery( ko, be, ue, ue );
q.setColumnFamily( CONSUMER_QUEUE_TIMEOUTS.getColumnFamily() );
q.setKey( getQueueClientTransactionKey( queueId, consumerId ) );
q.setRange( params.startId, startTimeUUID, false, params.limit + 1 );
List<HColumn<UUID, UUID>> cassResults = swallowOrderedExecution(q);
List<TransactionPointer> results = new ArrayList<TransactionPointer>( params.limit );
for ( HColumn<UUID, UUID> column : cassResults )
{
if ( logger.isTraceEnabled() )
{
logger.trace( "Adding uuid '{}' for original message '{}' to results for queue '{}' and consumer '{}'",
column.getName(), column.getValue(), queueId, consumerId );
logger.trace( "Max timeuuid : '{}', Current timeuuid : '{}', comparison '{}'",
startTimeUUID, column.getName(), UUIDUtils.compare( startTimeUUID, column.getName() )
);
}
results.add( new TransactionPointer( column.getName(), column.getValue() ) );
}
return results;
}
示例7: hasOutstandingTransactions
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
public boolean hasOutstandingTransactions( UUID queueId, UUID consumerId )
{
SliceQuery<ByteBuffer, UUID, UUID> q = createSliceQuery( ko, be, ue, ue );
q.setColumnFamily( CONSUMER_QUEUE_TIMEOUTS.getColumnFamily() );
q.setKey( getQueueClientTransactionKey( queueId, consumerId ) );
q.setRange( null, null, false, 1 );
return q.execute().get().getColumns().size() > 0;
}
示例8: getAllColumns
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
/**
* Gets the columns.
*
* @param ko the keyspace
* @param columnFamily the column family
* @param key the key
*
* @return columns
*
* @throws Exception the exception
*/
public <N, V> List<HColumn<N, V>> getAllColumns( Keyspace ko, Object columnFamily, Object key,
Serializer<N> nameSerializer, Serializer<V> valueSerializer )
throws Exception {
if ( db_logger.isTraceEnabled() ) {
db_logger.trace( "getColumns cf={} key={}", columnFamily, key );
}
SliceQuery<ByteBuffer, N, V> q = createSliceQuery( ko, be, nameSerializer, valueSerializer );
q.setColumnFamily( columnFamily.toString() );
q.setKey( bytebuffer( key ) );
q.setRange( null, null, false, ALL_COUNT );
QueryResult<ColumnSlice<N, V>> r = q.execute();
ColumnSlice<N, V> slice = r.get();
List<HColumn<N, V>> results = slice.getColumns();
if ( db_logger.isTraceEnabled() ) {
if ( results == null ) {
db_logger.trace( "getColumns returned null" );
}
else {
db_logger.trace( "getColumns returned {} columns", results.size() );
}
}
return results;
}
示例9: getColumns
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
/**
* Gets the columns.
*
* @param ko the keyspace
* @param columnFamily the column family
* @param key the key
* @param columnNames the column names
*
* @return columns
*
* @throws Exception the exception
*/
@SuppressWarnings("unchecked")
public <N, V> List<HColumn<N, V>> getColumns( Keyspace ko, Object columnFamily, Object key, Set<String> columnNames,
Serializer<N> nameSerializer, Serializer<V> valueSerializer )
throws Exception {
if ( db_logger.isTraceEnabled() ) {
db_logger.trace( "getColumns cf={} key={} names={}", columnFamily, key, columnNames );
}
SliceQuery<ByteBuffer, N, V> q = createSliceQuery( ko, be, nameSerializer, valueSerializer );
q.setColumnFamily( columnFamily.toString() );
q.setKey( bytebuffer( key ) );
// q.setColumnNames(columnNames.toArray(new String[0]));
q.setColumnNames( ( N[] ) nameSerializer.fromBytesSet( se.toBytesSet( new ArrayList<String>( columnNames ) ) )
.toArray() );
QueryResult<ColumnSlice<N, V>> r = q.execute();
ColumnSlice<N, V> slice = r.get();
List<HColumn<N, V>> results = slice.getColumns();
if ( db_logger.isTraceEnabled() ) {
if ( results == null ) {
db_logger.trace( "getColumns returned null" );
}
else {
db_logger.trace( "getColumns returned {} columns", results.size());
}
}
return results;
}
示例10: renewTransaction
import me.prettyprint.hector.api.query.SliceQuery; //导入方法依赖的package包/类
/**
* Renew the existing transaction. Does so by deleting the exiting timeout, and replacing it with a new value
*
* @param queuePath The queue path
* @param transactionId The transaction id
* @param query The query params
*
* @return The new transaction uuid
*/
public UUID renewTransaction( String queuePath, UUID transactionId, QueueQuery query )
throws TransactionNotFoundException
{
long now = System.currentTimeMillis();
if ( query == null )
{
query = new QueueQuery();
}
UUID queueId = getQueueId( queuePath );
UUID consumerId = getConsumerId( queueId, query );
ByteBuffer key = getQueueClientTransactionKey( queueId, consumerId );
// read the original transaction, if it's not there, then we can't possibly
// extend it
SliceQuery<ByteBuffer, UUID, UUID> q = createSliceQuery( ko, be, ue, ue );
q.setColumnFamily( CONSUMER_QUEUE_TIMEOUTS.getColumnFamily() );
q.setKey( key );
q.setColumnNames( transactionId );
HColumn<UUID, UUID> col = q.execute().get().getColumnByName( transactionId );
if ( col == null )
{
throw new TransactionNotFoundException(
String.format( "No transaction with id %s exists", transactionId ) );
}
UUID origTrans = col.getName();
UUID messageId = col.getValue();
// Generate a new expiration and insert it
UUID expirationId = UUIDUtils.newTimeUUID( now + query.getTimeout() );
if (logger.isTraceEnabled()) {
logger.trace("Writing new timeout at '{}' for message '{}'", expirationId, messageId);
}
Mutator<ByteBuffer> mutator = CountingMutator.createFlushingMutator( ko, be );
mutator.addInsertion( key, CONSUMER_QUEUE_TIMEOUTS.getColumnFamily(),
createColumn( expirationId, messageId, cass.createTimestamp(), ue, ue ) );
mutator.execute();
// now delete the old value
deleteTransaction( queueId, consumerId, origTrans );
return expirationId;
}