ConstructSnapshotQuery

java.lang.Object

com.illumon.iris.db.tables.remotequery.ContextAwareRemoteQuery<InitialSnapshot>

com.illumon.iris.db.tables.remote.ConstructSnapshotQuery

All Implemented Interfaces:: RemoteQuery<InitialSnapshot>, Serializable

public class ConstructSnapshotQuery
extends ContextAwareRemoteQuery<InitialSnapshot>

A ContextAwareRemoteQuery that retrieves a snapshot of a table.

See Also:: Serialized Form

Constructor Summary

Constructors
Constructor	Description
`ConstructSnapshotQuery(int id, BitSet columns)`	Create a query that will retrieve a snapshot of the table for the specified columns.
`ConstructSnapshotQuery(int id, BitSet columns, Index index)`	Create a query that will retrieve a snapshot of the table for the specified columns and keys.
`ConstructSnapshotQuery(int id, BitSet columns, Index index, boolean isPositionSpace)`	Create a query that will retrieve a snapshot of the table for the specified columns and keys.

Method Summary

Modifier and Type Method Description

InitialSnapshot execute(Database database)
Execute a query on a remote host.

Methods inherited from class com.illumon.iris.db.tables.remotequery.ContextAwareRemoteQuery
getClient, getLog, getRemoteQueryProcessor, getUserContext, initializeContext, initializeContext

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ConstructSnapshotQuery
  
  public ConstructSnapshotQuery(int id, BitSet columns)
  
  Create a query that will retrieve a snapshot of the table for the specified columns.
  
  Parameters:
  
  id - the table ID
  
  columns - a bitset of columns to include in the snapshot
- ConstructSnapshotQuery
  
  public ConstructSnapshotQuery(int id, BitSet columns, Index index)
  
  Create a query that will retrieve a snapshot of the table for the specified columns and keys.
  
  Parameters:
  
  id - the table ID
  
  columns - a bitset of columns to include in the snapshot
  
  index - an index of keys to include in the snapshot
- ConstructSnapshotQuery
  
  public ConstructSnapshotQuery(int id, BitSet columns, Index index, boolean isPositionSpace)
  
  Create a query that will retrieve a snapshot of the table for the specified columns and keys.
  
  Parameters:
  
  id - the table ID
  
  columns - a bitset of columns to include in the snapshot
  
  index - an index of keys to include in the snapshot
  
  isPositionSpace - set to true if the index is in position space, not key space.
Method Details
- execute
  
  public InitialSnapshot execute(Database database)
  
  Description copied from interface: RemoteQuery
  
  Execute a query on a remote host.
  
  Parameters:
  
  database - database to use for execution.
  
  Returns:
  
  result of the query.