Package cz.o2.proxima.direct.core

Class DirectAttributeFamilyDescriptor

java.lang.Object

cz.o2.proxima.direct.core.DirectAttributeFamilyDescriptor

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

DirectAttributeFamilyProxyDescriptor

public class DirectAttributeFamilyDescriptor
extends java.lang.Object
implements java.io.Serializable

Attribute descriptor with associated accessors.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object obj)
java.util.List<AttributeDescriptor<?>>	getAttributes()
java.util.Optional<BatchLogReader>	getBatchReader()	Retrieve batch reader of this family.
java.util.Optional<CachedView>	getCachedView()	Retrieve cached view.
java.util.Optional<CommitLogReader>	getCommitLogReader()	Retrieve a commit log reader of this family.
java.util.Optional<RandomAccessReader>	getRandomAccessReader()	Retrieve a random access reader.
java.util.Optional<java.lang.String>	getSource()	Retrieve optional name of source attribute family, if this is replica.
java.util.Optional<AttributeWriterBase>	getWriter()	Retrieve writer for this family.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getAttributes

public java.util.List<AttributeDescriptor<?>> getAttributes()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getWriter

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

Retrieve writer for this family. Empty if this family is not writable.

Returns:

optional AttributeWriterBase of this family

getCommitLogReader

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

Retrieve a commit log reader of this family. Empty if this attribute family is not a commit log.

Returns:

optional CommitLogReader of this family

getBatchReader

public java.util.Optional<BatchLogReader> getBatchReader()

Retrieve batch reader of this family.

Returns:

optional BatchLogReader of this family

getRandomAccessReader

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

Retrieve a random access reader. Empty if this attribute family is not a random access.

Returns:

optional RandomAccessReader of this family

getCachedView

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

Retrieve cached view. Empty if the attribute family cannot create cached view.

Returns:

optional CachedView of this family

getSource

public java.util.Optional<java.lang.String> getSource()

Retrieve optional name of source attribute family, if this is replica. The source might not be explicitly specified (in which case this method returns Optional.empty() and the source is determined automatically.

Returns:

optional specified source family