com.yahoo.bullet.querying.tablefunctors

Class TableFunctor

java.lang.Object

com.yahoo.bullet.querying.tablefunctors.TableFunctor

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

LateralViewFunctor, OuterableTableFunctor

public abstract class TableFunctor
extends Object
implements Serializable

Table functors are built from table functions. A table functor is applied to a BulletRecord and generates a list of BulletRecord. Classes inheriting from this class must implement apply(BulletRecord, BulletRecordProvider).

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TableFunctor()

Method Summary

Modifier and Type	Method and Description
abstract List<com.yahoo.bullet.record.BulletRecord>	apply(com.yahoo.bullet.record.BulletRecord record, com.yahoo.bullet.record.BulletRecordProvider provider) Applies this table functor to the given BulletRecord.

Methods inherited from class java.lang.Object

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

Constructor Detail

TableFunctor

public TableFunctor()

Method Detail

apply

public abstract List<com.yahoo.bullet.record.BulletRecord> apply(com.yahoo.bullet.record.BulletRecord record,
                                                                 com.yahoo.bullet.record.BulletRecordProvider provider)

Applies this table functor to the given BulletRecord.

Parameters:

record - The Bullet record to apply this table functor to.

provider - The provider used in generating new Bullet records.

Returns:

The generated list of records from applying this table functor to the given Bullet record.