Package org.openrefine

Class LookupCacheManager

java.lang.Object

org.openrefine.LookupCacheManager

public class LookupCacheManager
extends Object

Manage the cache of project's lookups.

Author:

Lu Liu

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LookupCacheManager.ProjectLookup

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,LookupCacheManager.ProjectLookup>	_lookups
static String	INDEX_COLUMN_NAME

Constructor Summary

Constructors

Constructor	Description
LookupCacheManager()

Method Summary

Modifier and Type	Method	Description
LookupCacheManager.ProjectLookup	getLookup(long targetProject, String targetColumn)	Computes the ProjectLookup based on combination key, returns the cached one from the HashMap if already computed.

Methods inherited from class java.lang.Object

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

Field Detail

INDEX_COLUMN_NAME

public static final String INDEX_COLUMN_NAME

See Also:

Constant Field Values

_lookups

protected final Map<String,LookupCacheManager.ProjectLookup> _lookups

Constructor Detail

LookupCacheManager

public LookupCacheManager()

Method Detail

getLookup

public LookupCacheManager.ProjectLookup getLookup(long targetProject,
                                                  String targetColumn)
                                           throws LookupException

Computes the ProjectLookup based on combination key, returns the cached one from the HashMap if already computed.

Parameters:

targetProject - the project to look up

targetColumn - the column of the target project to look up

Throws:

LookupException