org.eclipse.persistence.descriptors
Class CacheIndex

java.lang.Object
  org.eclipse.persistence.descriptors.CacheIndex

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class CacheIndex
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable

Purpose: Define a secondary index on the cache.

See Also:

CachePolicy, Serialized Form

Field Summary

protected int	cacheSize Allows the cache size to be set.
protected java.lang.Class	cacheType Allows the identity map class type to be set.
protected java.util.List<org.eclipse.persistence.internal.helper.DatabaseField>	fields
protected boolean	isInsertable
protected boolean	isUpdateable

Constructor Summary

CacheIndex()

CacheIndex(org.eclipse.persistence.internal.helper.DatabaseField[] fields)

CacheIndex(java.util.List<org.eclipse.persistence.internal.helper.DatabaseField> fields)

CacheIndex(java.lang.String... fields)

Method Summary

void	addField(org.eclipse.persistence.internal.helper.DatabaseField field)
void	addFieldName(java.lang.String field) PUBLIC: Add the database column name to the cache index.
int	getCacheSize() ADVANCED: Return the cache size.
java.lang.Class	getCacheType() ADVANCED: Return the type of the cache used for the index.
java.util.List<org.eclipse.persistence.internal.helper.DatabaseField>	getFields()
boolean	isInsertable() Return if the index field can be inserted.
boolean	isUpdateable() Return if the index field can be updated.
void	setCacheSize(int cacheSize) ADVANCED: Set the cache size.
void	setCacheType(java.lang.Class cacheType) ADVANCED: Set the type of the cache used for the index.
void	setFields(java.util.List<org.eclipse.persistence.internal.helper.DatabaseField> fields)
void	setIsInsertable(boolean isInsertable) Set if the index field can be inserted.
void	setIsUpdateable(boolean isUpdateable) Set if the index field can be updated.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

isUpdateable

protected boolean isUpdateable

isInsertable

protected boolean isInsertable

fields

protected java.util.List<org.eclipse.persistence.internal.helper.DatabaseField> fields

cacheSize

protected int cacheSize

Allows the cache size to be set.

cacheType

protected java.lang.Class cacheType

Allows the identity map class type to be set.

Constructor Detail

CacheIndex

public CacheIndex()

CacheIndex

public CacheIndex(org.eclipse.persistence.internal.helper.DatabaseField[] fields)

CacheIndex

public CacheIndex(java.lang.String... fields)

CacheIndex

public CacheIndex(java.util.List<org.eclipse.persistence.internal.helper.DatabaseField> fields)

Method Detail

isUpdateable

public boolean isUpdateable()

Return if the index field can be updated.

setIsUpdateable

public void setIsUpdateable(boolean isUpdateable)

Set if the index field can be updated. If updateable the object will be re-indexed on each update/refresh.

isInsertable

public boolean isInsertable()

Return if the index field can be inserted.

setIsInsertable

public void setIsInsertable(boolean isInsertable)

Set if the index field can be inserted. If insertable the object will be indexed after insert.

getCacheType

public java.lang.Class getCacheType()

ADVANCED: Return the type of the cache used for the index. This default to a weak cache, and should normally not be changed. For a weak cache, the index will remain until the object gcs from the main cache.

setCacheType

public void setCacheType(java.lang.Class cacheType)

ADVANCED: Set the type of the cache used for the index. This default to a weak cache, and should normally not be changed. For a weak cache, the index will remain until the object gcs from the main cache.

getCacheSize

public int getCacheSize()

ADVANCED: Return the cache size. This is either the initial size, sub-cache size, or fixed size depending on the cache type.

setCacheSize

public void setCacheSize(int cacheSize)

ADVANCED: Set the cache size. This is either the initial size, sub-cache size, or fixed size depending on the cache type.

addField

public void addField(org.eclipse.persistence.internal.helper.DatabaseField field)

addFieldName

public void addFieldName(java.lang.String field)

PUBLIC: Add the database column name to the cache index.

getFields

public java.util.List<org.eclipse.persistence.internal.helper.DatabaseField> getFields()

setFields

public void setFields(java.util.List<org.eclipse.persistence.internal.helper.DatabaseField> fields)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object