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

Field Summary

Fields

Modifier and Type	Field and Description
private BatchLogReader	batchReader
private BatchLogReader.Factory<?>	batchReaderFactory
private CachedView	cachedView
private CachedView.Factory	cachedViewFactory
private CommitLogReader	commitLogReader
private CommitLogReader.Factory<?>	commitLogReaderFactory
private AttributeFamilyDescriptor	desc
private RandomAccessReader	randomAccessReader
private RandomAccessReader.Factory<?>	randomAccessReaderFactory
private Repository	repo
private RepositoryFactory	repositoryFactory
private static long	serialVersionUID
private AttributeWriterBase	writer
private AttributeWriterBase.Factory<?>	writerFactory

Constructor Summary

Constructors

Constructor and Description
DirectAttributeFamilyDescriptor(Repository repo, AttributeFamilyDescriptor desc, Context context, DataAccessor accessor)
DirectAttributeFamilyDescriptor(Repository repository, AttributeFamilyDescriptor desc, java.util.Optional<AttributeWriterBase> writer, java.util.Optional<CommitLogReader> commitLogReader, java.util.Optional<BatchLogReader> batchLogReader, java.util.Optional<RandomAccessReader> randomAccessReader, java.util.Optional<CachedView> cachedView)

Method Summary

Modifier and Type	Method and Description
private BatchLogReader	batchReader()
private CachedView	cachedView()
private CommitLogReader	commitLogReader()
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()
private RandomAccessReader	randomAccessReader()
private Repository	repo()
java.lang.String	toString()
private AttributeWriterBase	writer()

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

desc

private final AttributeFamilyDescriptor desc

repositoryFactory

private final RepositoryFactory repositoryFactory

writerFactory

@Nullable
private final AttributeWriterBase.Factory<?> writerFactory

commitLogReaderFactory

@Nullable
private final CommitLogReader.Factory<?> commitLogReaderFactory

batchReaderFactory

@Nullable
private final BatchLogReader.Factory<?> batchReaderFactory

randomAccessReaderFactory

@Nullable
private final RandomAccessReader.Factory<?> randomAccessReaderFactory

cachedViewFactory

@Nullable
private final CachedView.Factory cachedViewFactory

writer

@Nullable
private transient AttributeWriterBase writer

commitLogReader

@Nullable
private transient CommitLogReader commitLogReader

batchReader

@Nullable
private transient BatchLogReader batchReader

randomAccessReader

@Nullable
private transient RandomAccessReader randomAccessReader

cachedView

@Nullable
private transient CachedView cachedView

repo

@Nullable
private transient Repository repo

Constructor Detail

DirectAttributeFamilyDescriptor

DirectAttributeFamilyDescriptor(Repository repository,
                                AttributeFamilyDescriptor desc,
                                java.util.Optional<AttributeWriterBase> writer,
                                java.util.Optional<CommitLogReader> commitLogReader,
                                java.util.Optional<BatchLogReader> batchLogReader,
                                java.util.Optional<RandomAccessReader> randomAccessReader,
                                java.util.Optional<CachedView> cachedView)

DirectAttributeFamilyDescriptor

DirectAttributeFamilyDescriptor(Repository repo,
                                AttributeFamilyDescriptor desc,
                                Context context,
                                DataAccessor accessor)

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

writer

private AttributeWriterBase writer()

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

commitLogReader

private CommitLogReader commitLogReader()

getBatchReader

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

Retrieve batch reader of this family.

Returns:

optional BatchLogReader of this family

batchReader

private BatchLogReader batchReader()

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

randomAccessReader

private RandomAccessReader randomAccessReader()

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

cachedView

private CachedView cachedView()

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

repo

private Repository repo()