org.apache.storm.cassandra.query

Class ContextQuery.BoundQueryNamedByFieldContext

java.lang.Object

org.apache.storm.cassandra.query.ContextQuery.BoundQueryNamedByFieldContext

All Implemented Interfaces:

Serializable, ContextQuery

Enclosing interface:

ContextQuery

public static final class ContextQuery.BoundQueryNamedByFieldContext
extends Object
implements ContextQuery

Default ContextQuery.BoundQueryNamedByFieldContext implementation to retrieve a bound query named by the value of a specified tuple field.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.storm.cassandra.query.ContextQuery

ContextQuery.BoundQueryContext, ContextQuery.BoundQueryNamedByFieldContext, ContextQuery.StaticContextQuery

Constructor Summary

Constructors

Constructor and Description
BoundQueryNamedByFieldContext(String fieldName)

Method Summary

Modifier and Type	Method and Description
String	resolves(Map<String,Object> config, ITuple tuple) Resolves a cassandra bound query.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BoundQueryNamedByFieldContext

public BoundQueryNamedByFieldContext(String fieldName)

Method Detail

resolves

public String resolves(Map<String,Object> config,
                       ITuple tuple)

Description copied from interface: ContextQuery

Resolves a cassandra bound query.

Specified by:

resolves in interface ContextQuery

Parameters:

config - the storm configuration

tuple - the tuple being proceed.

Returns:

a string bound query.