org.openanzo.common.rdb.layout
Interface IValueLayout

All Known Implementing Classes:

ValueLayout, ValueLayoutCacheProxy

public interface IValueLayout

Provides read/write access to persisted string values of limited length. This class's original purpose was for storing RDF datatype and language strings. The length limit is database dependent. For example, a DB2 instance may limit length to 250 chars.

Author:

Joe Betz, Stephen Evanchik

Method Summary

void	batchAdd(java.util.Iterator<java.lang.String> iter) Add a set of strings, ignoring resulting IDs
ClosableIterator<NodeSQL.FetchAllCommonValuesResult>	fetchAll() FetchAll the values for this type
java.lang.Long	fetchId(java.lang.String value) Fetch the ID for this value
java.lang.String	fetchValue(java.lang.Long id) Fetch the value for this ID
java.lang.Long	store(java.lang.String value) Store String value

Method Detail

store

java.lang.Long store(java.lang.String value)

Store String value

Parameters:

value - value to store

Returns:

ID of stored value

fetchId

java.lang.Long fetchId(java.lang.String value)

Fetch the ID for this value

Parameters:

value - value to lookup

Returns:

ID of stored value

fetchValue

java.lang.String fetchValue(java.lang.Long id)

Fetch the value for this ID

Parameters:

id - id to lookup

Returns:

the value for this ID

batchAdd

void batchAdd(java.util.Iterator<java.lang.String> iter)

Add a set of strings, ignoring resulting IDs

Parameters:

iter - Set of strings to store

fetchAll

ClosableIterator<NodeSQL.FetchAllCommonValuesResult> fetchAll()

FetchAll the values for this type

Returns:

all values for this type