com.tibbo.aggregate.common.datatable.encoding

Class AbstractFormatCache

java.lang.Object

com.tibbo.aggregate.common.datatable.encoding.AbstractFormatCache

All Implemented Interfaces:

FormatCache

Direct Known Subclasses:

LocalFormatCache, RemoteFormatCache

public abstract class AbstractFormatCache
extends java.lang.Object
implements FormatCache

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<java.lang.Integer,TableFormat>	cache
protected java.util.concurrent.locks.ReentrantReadWriteLock	cacheLock
protected java.util.Map<TableFormat,java.lang.Integer>	reverse

Constructor Summary

Constructors

Constructor and Description
AbstractFormatCache(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
protected abstract java.lang.Integer	add(TableFormat tableFormat)
java.lang.Integer	addIfNotExists(TableFormat format)
protected TableFormat	addImpl(TableFormat format, int id)
void	clear()
TableFormat	get(int id)
TableFormat	getCachedVersion(TableFormat format)
java.lang.String	getName()
int	getSize()
protected java.lang.Integer	obtainId(TableFormat format)
void	put(int id, TableFormat format)

Methods inherited from class java.lang.Object

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

Field Detail

cache

protected final java.util.Map<java.lang.Integer,TableFormat> cache

reverse

protected final java.util.Map<TableFormat,java.lang.Integer> reverse

cacheLock

protected final java.util.concurrent.locks.ReentrantReadWriteLock cacheLock

Constructor Detail

AbstractFormatCache

public AbstractFormatCache(java.lang.String name)

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in interface FormatCache

getSize

public int getSize()

get

public TableFormat get(int id)

Specified by:

get in interface FormatCache

addImpl

protected TableFormat addImpl(TableFormat format,
                              int id)

addIfNotExists

public java.lang.Integer addIfNotExists(TableFormat format)

Specified by:

addIfNotExists in interface FormatCache

add

protected abstract java.lang.Integer add(TableFormat tableFormat)

obtainId

protected java.lang.Integer obtainId(TableFormat format)

getCachedVersion

public TableFormat getCachedVersion(TableFormat format)

Specified by:

getCachedVersion in interface FormatCache

clear

public void clear()

Specified by:

clear in interface FormatCache

put

public void put(int id,
                TableFormat format)

Specified by:

put in interface FormatCache