io.cdap.delta.app

Class DeltaContext

java.lang.Object

io.cdap.delta.app.DeltaContext

All Implemented Interfaces:

PluginContext, io.cdap.delta.api.DeltaRuntimeContext, io.cdap.delta.api.DeltaSourceContext, io.cdap.delta.api.DeltaTargetContext, io.cdap.delta.api.FailureNotifier

public class DeltaContext
extends Object
implements io.cdap.delta.api.DeltaSourceContext, io.cdap.delta.api.DeltaTargetContext

Context for delta plugins

Method Summary

Modifier and Type	Method and Description
void	commitOffset(io.cdap.delta.api.Offset offset, long sequenceNumber)
void	dropTableState(String database, String table)
String	getApplicationName()
int	getInstanceId()
int	getMaxRetrySeconds()
Metrics	getMetrics()
PluginProperties	getPluginProperties(String pluginId)
PluginProperties	getPluginProperties(String pluginId, MacroEvaluator evaluator)
String	getRunId()
Map<String,String>	getRuntimeArguments()
byte[]	getState(String key)
void	incrementCount(io.cdap.delta.api.DDLOperation op)
void	incrementCount(io.cdap.delta.api.DMLOperation op)
<T> Class<T>	loadPluginClass(String pluginId)
<T> T	newPluginInstance(String pluginId)
<T> T	newPluginInstance(String pluginId, MacroEvaluator evaluator)
void	notifyFailed(Throwable cause)
void	putState(String key, byte[] val)
void	setError(io.cdap.delta.api.ReplicationError error)
void	setOK()
void	setTableError(String database, String table, io.cdap.delta.api.ReplicationError error)
void	setTableReplicating(String database, String table)
void	setTableSnapshotting(String database, String table)

Methods inherited from class java.lang.Object

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

Method Detail

incrementCount

public void incrementCount(io.cdap.delta.api.DMLOperation op)

Specified by:

incrementCount in interface io.cdap.delta.api.DeltaTargetContext

incrementCount

public void incrementCount(io.cdap.delta.api.DDLOperation op)

Specified by:

incrementCount in interface io.cdap.delta.api.DeltaTargetContext

commitOffset

public void commitOffset(io.cdap.delta.api.Offset offset,
                         long sequenceNumber)
                  throws IOException

Specified by:

commitOffset in interface io.cdap.delta.api.DeltaTargetContext

Throws:

IOException

setTableError

public void setTableError(String database,
                          String table,
                          io.cdap.delta.api.ReplicationError error)
                   throws IOException

Specified by:

setTableError in interface io.cdap.delta.api.DeltaTargetContext

Throws:

IOException

setTableReplicating

public void setTableReplicating(String database,
                                String table)
                         throws IOException

Specified by:

setTableReplicating in interface io.cdap.delta.api.DeltaTargetContext

Throws:

IOException

setTableSnapshotting

public void setTableSnapshotting(String database,
                                 String table)
                          throws IOException

Specified by:

setTableSnapshotting in interface io.cdap.delta.api.DeltaTargetContext

Throws:

IOException

dropTableState

public void dropTableState(String database,
                           String table)
                    throws IOException

Specified by:

dropTableState in interface io.cdap.delta.api.DeltaTargetContext

Throws:

IOException

getApplicationName

public String getApplicationName()

Specified by:

getApplicationName in interface io.cdap.delta.api.DeltaRuntimeContext

getRunId

public String getRunId()

Specified by:

getRunId in interface io.cdap.delta.api.DeltaRuntimeContext

getMetrics

public Metrics getMetrics()

Specified by:

getMetrics in interface io.cdap.delta.api.DeltaRuntimeContext

getRuntimeArguments

public Map<String,String> getRuntimeArguments()

Specified by:

getRuntimeArguments in interface io.cdap.delta.api.DeltaRuntimeContext

getInstanceId

public int getInstanceId()

Specified by:

getInstanceId in interface io.cdap.delta.api.DeltaRuntimeContext

getMaxRetrySeconds

public int getMaxRetrySeconds()

Specified by:

getMaxRetrySeconds in interface io.cdap.delta.api.DeltaRuntimeContext

getState

@Nullable
public byte[] getState(String key)
                          throws IOException

Specified by:

getState in interface io.cdap.delta.api.DeltaRuntimeContext

Throws:

IOException

putState

public void putState(String key,
                     byte[] val)
              throws IOException

Specified by:

putState in interface io.cdap.delta.api.DeltaRuntimeContext

Throws:

IOException

getPluginProperties

public PluginProperties getPluginProperties(String pluginId)

Specified by:

getPluginProperties in interface PluginContext

getPluginProperties

public PluginProperties getPluginProperties(String pluginId,
                                            MacroEvaluator evaluator)
                                     throws InvalidMacroException

Specified by:

getPluginProperties in interface PluginContext

Throws:

InvalidMacroException

loadPluginClass

public <T> Class<T> loadPluginClass(String pluginId)

Specified by:

loadPluginClass in interface PluginContext

newPluginInstance

public <T> T newPluginInstance(String pluginId)
                        throws InstantiationException

Specified by:

newPluginInstance in interface PluginContext

Throws:

InstantiationException

newPluginInstance

public <T> T newPluginInstance(String pluginId,
                               MacroEvaluator evaluator)
                        throws InstantiationException,
                               InvalidMacroException

Specified by:

newPluginInstance in interface PluginContext

Throws:

InstantiationException

InvalidMacroException

setError

public void setError(io.cdap.delta.api.ReplicationError error)
              throws IOException

Specified by:

setError in interface io.cdap.delta.api.DeltaSourceContext

Throws:

IOException

setOK

public void setOK()
           throws IOException

Specified by:

setOK in interface io.cdap.delta.api.DeltaSourceContext

Throws:

IOException

notifyFailed

public void notifyFailed(Throwable cause)

Specified by:

notifyFailed in interface io.cdap.delta.api.FailureNotifier