cz.o2.proxima.direct.core

Class DirectDataOperator.DelegateDataAccessorFactory.ForwardingDataAccessor

java.lang.Object

cz.o2.proxima.direct.core.DirectDataOperator.DelegateDataAccessorFactory.ForwardingDataAccessor

All Implemented Interfaces:

DataAccessor, AbstractDataAccessor, java.io.Serializable

Enclosing class:

DirectDataOperator.DelegateDataAccessorFactory

private static class DirectDataOperator.DelegateDataAccessorFactory.ForwardingDataAccessor
extends java.lang.Object
implements DataAccessor

Field Summary

Fields

Modifier and Type	Field and Description
private DataAccessor	delegate
private ThroughputLimiter	limiter
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
ForwardingDataAccessor(DataAccessor delegate, java.util.Map<java.lang.String,java.lang.Object> cfg)

Method Summary

Modifier and Type	Method and Description
private ThroughputLimiter	configureLimiter(java.util.Map<java.lang.String,java.lang.Object> cfg)
java.util.Optional<BatchLogReader>	getBatchLogReader(Context context) Retrieve batch log reader.
java.util.Optional<CachedView>	getCachedView(Context context) Retrieve cached view of the data.
java.util.Optional<CommitLogReader>	getCommitLogReader(Context context) Retrieve commit log reader (if applicable).
java.util.Optional<RandomAccessReader>	getRandomAccessReader(Context context) Retrieve random access reader.
java.net.URI	getUri()
java.util.Optional<AttributeWriterBase>	getWriter(Context context) Retrieve writer (if applicable).
boolean	isAcceptable(AttributeFamilyDescriptor familyDescriptor) Check whether this accessor is acceptable for a given family.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

delegate

private final DataAccessor delegate

limiter

@Nullable
private final ThroughputLimiter limiter

Constructor Detail

ForwardingDataAccessor

public ForwardingDataAccessor(DataAccessor delegate,
                              java.util.Map<java.lang.String,java.lang.Object> cfg)

Method Detail

configureLimiter

@Nullable
private ThroughputLimiter configureLimiter(java.util.Map<java.lang.String,java.lang.Object> cfg)

getUri

public java.net.URI getUri()

Specified by:

getUri in interface AbstractDataAccessor

getWriter

public java.util.Optional<AttributeWriterBase> getWriter(Context context)

Description copied from interface: DataAccessor

Retrieve writer (if applicable).

Specified by:

getWriter in interface DataAccessor

Parameters:

context - the serializable context provided by repository

Returns:

optional AttributeWriterBase of this accessor

getCommitLogReader

public java.util.Optional<CommitLogReader> getCommitLogReader(Context context)

Description copied from interface: DataAccessor

Retrieve commit log reader (if applicable).

Specified by:

getCommitLogReader in interface DataAccessor

Parameters:

context - serializable context provided by repository

Returns:

optional @{link CommitLogReader} of this accessor

getRandomAccessReader

public java.util.Optional<RandomAccessReader> getRandomAccessReader(Context context)

Description copied from interface: DataAccessor

Retrieve random access reader.

Specified by:

getRandomAccessReader in interface DataAccessor

Parameters:

context - serializable context provided by repository

Returns:

optional RandomAccessReader of this accessor

getBatchLogReader

public java.util.Optional<BatchLogReader> getBatchLogReader(Context context)

Description copied from interface: DataAccessor

Retrieve batch log reader.

Specified by:

getBatchLogReader in interface DataAccessor

Parameters:

context - serializable context provided by repository

Returns:

optional BatchLogReader of this accessor

getCachedView

public java.util.Optional<CachedView> getCachedView(Context context)

Description copied from interface: DataAccessor

Retrieve cached view of the data.

Specified by:

getCachedView in interface DataAccessor

Parameters:

context - serializable context provided by repository

Returns:

optional CachedView of this accessor

isAcceptable

public boolean isAcceptable(AttributeFamilyDescriptor familyDescriptor)

Description copied from interface: DataAccessor

Check whether this accessor is acceptable for a given family.

Specified by:

isAcceptable in interface DataAccessor

Parameters:

familyDescriptor - Attribute family descriptor.

Returns:

True if this accessor is acceptable.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object