org.objectweb.cjdbc.controller.cache.result.schema
Class CacheDatabaseColumn

java.lang.Object
  org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn

All Implemented Interfaces:

java.io.Serializable

public class CacheDatabaseColumn

extends java.lang.Object

implements java.io.Serializable

A CacheDatabaseColumn represents a column of a database table. It is composed of a DatabaseColumn object and an ArrayList of cache entries.

Version:

1.0

Author:

Emmanuel Cecchet, Julie Marguerite, Sara Bouchenak

See Also:

Serialized Form

Field Summary

private java.util.ArrayList	cacheEntries
private java.lang.String	name

Constructor Summary

CacheDatabaseColumn(java.lang.String name)
Creates a new CacheDatabaseColumn instance.

Method Summary

void	addCacheEntry(CacheEntry ce) Adds a CacheEntry object whose consistency depends on this column.
boolean	equals(java.lang.Object other) Two CacheDatabaseColumn are equals if they have the same DatabaseColumn.
java.lang.String	getInformation() Returns the column name.
java.lang.String	getName() Gets the column name.
void	invalidateAll() Invalidates all cache entries depending on this column.
void	invalidateAllNonUnique() Invalidates all cache entries depending on this column that are non UNIQUE.
void	invalidateAllNonUniqueAndMarkDirtyUnique() Invalidates all cache entries depending on this column that are non UNIQUE and mark dirty UNIQUE queries.
void	invalidateAllUniqueWithValuesAndAllNonUnique(java.lang.String val, java.util.ArrayList columns, java.util.ArrayList values) Invalidates all cache entries depending on this column that are either non- unique or unique and associated with given values.
void	markDirtyAllNonUnique() Marks dirty all valid cache entries depending on this colum that are non unique.

Methods inherited from class java.lang.Object

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

Field Detail

name

private java.lang.String name

cacheEntries

private java.util.ArrayList cacheEntries

Constructor Detail

CacheDatabaseColumn

public CacheDatabaseColumn(java.lang.String name)

Creates a new CacheDatabaseColumn instance.

Parameters:

name - name of the column

Method Detail

getName

public java.lang.String getName()

Gets the column name.

Returns:

the column name

equals

public boolean equals(java.lang.Object other)

Two CacheDatabaseColumn are equals if they have the same DatabaseColumn.

Parameters:

other - the object to compare with

Returns:

true if the objects are the same

addCacheEntry

public void addCacheEntry(CacheEntry ce)

Adds a CacheEntry object whose consistency depends on this column.

Parameters:

ce - a ResultCacheEntry value

markDirtyAllNonUnique

public void markDirtyAllNonUnique()

Marks dirty all valid cache entries depending on this colum that are non unique.

invalidateAll

public void invalidateAll()

Invalidates all cache entries depending on this column.

invalidateAllNonUnique

public void invalidateAllNonUnique()

Invalidates all cache entries depending on this column that are non UNIQUE.

invalidateAllUniqueWithValuesAndAllNonUnique

public void invalidateAllUniqueWithValuesAndAllNonUnique(java.lang.String val,
                                                         java.util.ArrayList columns,
                                                         java.util.ArrayList values)

Invalidates all cache entries depending on this column that are either non- unique or unique and associated with given values.

Parameters:

val - a String representing the value of the current column.

columns - an ArrayList of CacheDatabaseColumn objects

values - an ArrayList of String objects representing values.

invalidateAllNonUniqueAndMarkDirtyUnique

public void invalidateAllNonUniqueAndMarkDirtyUnique()

Invalidates all cache entries depending on this column that are non UNIQUE and mark dirty UNIQUE queries.

getInformation

public java.lang.String getInformation()

Returns the column name.

Returns:

a String value