Package io.debezium.pipeline

Class AbstractChangeRecordEmitter<P extends Partition,T extends DataCollectionSchema>

java.lang.Object

io.debezium.pipeline.AbstractChangeRecordEmitter<P,T>

All Implemented Interfaces:

ChangeRecordEmitter<P>

Direct Known Subclasses:

RelationalChangeRecordEmitter

public abstract class AbstractChangeRecordEmitter<P extends Partition,T extends DataCollectionSchema>
extends Object
implements ChangeRecordEmitter<P>

An abstract implementation of ChangeRecordEmitter.

Author:

Chris Cranford

Nested Class Summary

Nested classes/interfaces inherited from interface io.debezium.pipeline.spi.ChangeRecordEmitter

ChangeRecordEmitter.Receiver<P extends Partition>

Field Summary

Fields

Modifier and Type	Field	Description
private final Clock	clock
private final OffsetContext	offsetContext
private final P	partition

Constructor Summary

Constructors

Constructor	Description
AbstractChangeRecordEmitter(P partition, OffsetContext offsetContext, Clock clock)

Method Summary

Modifier and Type	Method	Description
void	emitChangeRecords(DataCollectionSchema schema, ChangeRecordEmitter.Receiver<P> receiver)	Emits the change record(s) corresponding to data change represented by this emitter.
protected abstract void	emitCreateRecord(ChangeRecordEmitter.Receiver<P> receiver, T schema)	Emits change record(s) associated with an insert operation.
protected abstract void	emitDeleteRecord(ChangeRecordEmitter.Receiver<P> receiver, T schema)	Emits change record(s) associated with a delete operation.
protected abstract void	emitReadRecord(ChangeRecordEmitter.Receiver<P> receiver, T schema)	Emits change record(s) associated with a snapshot.
protected abstract void	emitUpdateRecord(ChangeRecordEmitter.Receiver<P> receiver, T schema)	Emits change record(s) associated with an update operation.
Clock	getClock()	Returns the clock of the change record(s) emitted.
OffsetContext	getOffset()	Returns the offset of the change record(s) emitted.
P	getPartition()	Returns the partition of the change record(s) emitted.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.pipeline.spi.ChangeRecordEmitter

getOperation

Field Details

partition

private final P extends Partition partition

offsetContext

private final OffsetContext offsetContext

clock

private final Clock clock

Constructor Details

AbstractChangeRecordEmitter

public AbstractChangeRecordEmitter(P partition,
 OffsetContext offsetContext,
 Clock clock)

Method Details

emitChangeRecords

public void emitChangeRecords(DataCollectionSchema schema,
 ChangeRecordEmitter.Receiver<P> receiver)
                       throws InterruptedException

Description copied from interface: ChangeRecordEmitter

Emits the change record(s) corresponding to data change represented by this emitter.

Specified by:

emitChangeRecords in interface ChangeRecordEmitter<P extends Partition>

Throws:

InterruptedException

getPartition

public P getPartition()

Description copied from interface: ChangeRecordEmitter

Returns the partition of the change record(s) emitted.

Specified by:

getPartition in interface ChangeRecordEmitter<P extends Partition>

getOffset

public OffsetContext getOffset()

Description copied from interface: ChangeRecordEmitter

Returns the offset of the change record(s) emitted.

Specified by:

getOffset in interface ChangeRecordEmitter<P extends Partition>

getClock

public Clock getClock()

Returns the clock of the change record(s) emitted.

emitReadRecord

protected abstract void emitReadRecord(ChangeRecordEmitter.Receiver<P> receiver,
 T schema)
                                throws InterruptedException

Emits change record(s) associated with a snapshot.

Parameters:

receiver - the handler for which the emitted record should be dispatched

schema - the schema

Throws:

InterruptedException

emitCreateRecord

protected abstract void emitCreateRecord(ChangeRecordEmitter.Receiver<P> receiver,
 T schema)
                                  throws InterruptedException

Emits change record(s) associated with an insert operation.

Parameters:

receiver - the handler for which the emitted record should be dispatched

schema - the schema

Throws:

InterruptedException

emitUpdateRecord

protected abstract void emitUpdateRecord(ChangeRecordEmitter.Receiver<P> receiver,
 T schema)
                                  throws InterruptedException

Emits change record(s) associated with an update operation.

Parameters:

receiver - the handler for which the emitted record should be dispatched

schema - the schema

Throws:

InterruptedException

emitDeleteRecord

protected abstract void emitDeleteRecord(ChangeRecordEmitter.Receiver<P> receiver,
 T schema)
                                  throws InterruptedException

Emits change record(s) associated with a delete operation.

Parameters:

receiver - the handler for which the emitted record should be dispatched

schema - the schema

Throws:

InterruptedException