Package org.apache.cassandra.cdc

Class Cdc

java.lang.Object

org.apache.cassandra.cdc.Cdc

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class Cdc
extends java.lang.Object
implements java.io.Closeable

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.cassandra.spark.utils.AsyncExecutor	asyncExecutor
protected long	batchStartNanos
protected java.util.Set<org.apache.cassandra.spark.data.CqlTable>	cdcEnabledTables
protected CommitLogProvider	commitLogProvider
protected SchemaSupplier	schemaSupplier

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Cdc(CdcBuilder builder)

Method Summary

Modifier and Type	Method	Description
protected org.apache.cassandra.bridge.CassandraBridge	bridge()
static CdcBuilder	builder(java.lang.String jobId, int partitionId, EventConsumer eventConsumer, SchemaSupplier schemaSupplier)
protected org.apache.cassandra.bridge.CdcBridge	cdcBridge()
void	close()
protected void	completeActiveFuture(java.util.concurrent.CompletableFuture<java.lang.Void> future)
long	epoch()
protected boolean	epochsExceeded()
protected boolean	handleError(java.lang.Throwable t)
protected boolean	isFinished()
java.lang.String	jobId()
protected java.util.Set<java.lang.String>	keyspaceSupplier()
org.apache.cassandra.cdc.api.CommitLogMarkers	markers()
protected MicroBatchIterator	newMicroBatchIterator()
protected MicroBatchIterator	newMicroBatchIterator(org.apache.cassandra.bridge.TokenRange tokenRange, org.apache.cassandra.cdc.state.CdcState startState)
int	partitionId()
protected void	persist(org.apache.cassandra.cdc.state.CdcState cdcState, org.apache.cassandra.bridge.TokenRange tokenRange)
protected void	refreshSchema()
protected void	run()
protected void	runSafe(java.util.concurrent.CompletableFuture<java.lang.Void> future)
void	scheduleMonitorSchema()
protected void	scheduleNextRun()
protected void	scheduleRun(long delayMillis)
java.nio.ByteBuffer	serializeStateToBytes()
void	start()
void	stop()
void	stop(boolean blocking)

Methods inherited from class java.lang.Object

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

Field Detail

schemaSupplier

protected final SchemaSupplier schemaSupplier

asyncExecutor

protected final org.apache.cassandra.spark.utils.AsyncExecutor asyncExecutor

commitLogProvider

protected final CommitLogProvider commitLogProvider

batchStartNanos

protected volatile long batchStartNanos

cdcEnabledTables

protected volatile java.util.Set<org.apache.cassandra.spark.data.CqlTable> cdcEnabledTables

Constructor Detail

Cdc

protected Cdc(@NotNull
              CdcBuilder builder)

Method Detail

builder

public static CdcBuilder builder(@NotNull
                                 java.lang.String jobId,
                                 int partitionId,
                                 EventConsumer eventConsumer,
                                 SchemaSupplier schemaSupplier)

jobId

public java.lang.String jobId()

partitionId

public int partitionId()

epoch

public long epoch()

markers

@NotNull
public org.apache.cassandra.cdc.api.CommitLogMarkers markers()

start

public void start()

stop

public void stop()

stop

public void stop(boolean blocking)
          throws java.util.concurrent.ExecutionException,
                 java.lang.InterruptedException

Throws:

java.util.concurrent.ExecutionException

java.lang.InterruptedException

scheduleNextRun

protected void scheduleNextRun()

scheduleRun

protected void scheduleRun(long delayMillis)

completeActiveFuture

protected void completeActiveFuture(java.util.concurrent.CompletableFuture<java.lang.Void> future)

runSafe

protected void runSafe(java.util.concurrent.CompletableFuture<java.lang.Void> future)

handleError

protected boolean handleError(java.lang.Throwable t)

Parameters:

t - throwable

Returns:

true if Cdc consumer can continue, or false if it should stop.

newMicroBatchIterator

protected MicroBatchIterator newMicroBatchIterator()
                                            throws org.apache.cassandra.spark.data.partitioner.NotEnoughReplicasException

Throws:

org.apache.cassandra.spark.data.partitioner.NotEnoughReplicasException

newMicroBatchIterator

protected MicroBatchIterator newMicroBatchIterator(@Nullable
                                                   org.apache.cassandra.bridge.TokenRange tokenRange,
                                                   org.apache.cassandra.cdc.state.CdcState startState)
                                            throws org.apache.cassandra.spark.data.partitioner.NotEnoughReplicasException

Throws:

org.apache.cassandra.spark.data.partitioner.NotEnoughReplicasException

keyspaceSupplier

protected java.util.Set<java.lang.String> keyspaceSupplier()

run

protected void run()
            throws org.apache.cassandra.spark.data.partitioner.NotEnoughReplicasException

Throws:

org.apache.cassandra.spark.data.partitioner.NotEnoughReplicasException

isFinished

protected boolean isFinished()

epochsExceeded

protected boolean epochsExceeded()

bridge

protected org.apache.cassandra.bridge.CassandraBridge bridge()

cdcBridge

protected org.apache.cassandra.bridge.CdcBridge cdcBridge()

serializeStateToBytes

public java.nio.ByteBuffer serializeStateToBytes()
                                          throws java.io.IOException

Throws:

java.io.IOException

persist

protected void persist(org.apache.cassandra.cdc.state.CdcState cdcState,
                       org.apache.cassandra.bridge.TokenRange tokenRange)

scheduleMonitorSchema

public void scheduleMonitorSchema()

refreshSchema

protected void refreshSchema()

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable