pl.edu.agh.cast.model.visual.backward
Class NodeIndexer

java.lang.Object
  pl.edu.agh.cast.model.visual.backward.NodeIndexer

public class NodeIndexer
extends Object

Class for indexing Nodes based on the specified attribute. The type of nodes to index may be specified. If the indexing attribute is equal to NodeAttributeManager.PERMANENT_ID then the existing index of supplied VisualModelCachingFactory is used.

Author:

AGH CAST Team

Constructor Summary

NodeIndexer(VisualModelCachingFactory visualModelFactory)
Creates node indexer with index built based on NodeAttributeManager.PERMANENT_ID attribute.

NodeIndexer(VisualModelCachingFactory visualModelFactory, String attribute)
Creates node indexer with index built based on attribute attribute.All types of nodes are indexed.

NodeIndexer(VisualModelCachingFactory visualModelFactory, String attribute, String type)
Creates node indexer with index built based on attribute attribute.

NodeIndexer(VisualModelCachingFactory visualModelFactory, String attribute, String type, org.eclipse.core.runtime.IProgressMonitor monitor)
Creates node indexer with index built based on attribute attribute.

Method Summary

List<Node>

lookup(Object value) Returns list of nodes that have the indexing attribute value equal to value.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeIndexer

public NodeIndexer(VisualModelCachingFactory visualModelFactory)

Creates node indexer with index built based on NodeAttributeManager.PERMANENT_ID attribute. All types of nodes are indexed.

Parameters:

visualModelFactory - VisualModelCachingFactory that provides nodes

NodeIndexer

public NodeIndexer(VisualModelCachingFactory visualModelFactory,
                   String attribute)

Creates node indexer with index built based on attribute attribute.All types of nodes are indexed.

Parameters:

visualModelFactory - VisualModelCachingFactory that provides nodes

attribute - name of the attribute to be used for indexing

NodeIndexer

public NodeIndexer(VisualModelCachingFactory visualModelFactory,
                   String attribute,
                   String type)

Creates node indexer with index built based on attribute attribute. Only nodes of type type are indexed.

Parameters:

visualModelFactory - VisualModelCachingFactory that provides nodes

attribute - name of the attribute to be used for indexing

type - type of nodes to index - if null then all types are considered

NodeIndexer

public NodeIndexer(VisualModelCachingFactory visualModelFactory,
                   String attribute,
                   String type,
                   org.eclipse.core.runtime.IProgressMonitor monitor)

Creates node indexer with index built based on attribute attribute. Only nodes of type type are indexed.

Parameters:

visualModelFactory - VisualModelCachingFactory that provides nodes

attribute - name of the attribute to be used for indexing

type - type of nodes to index - if null then all types are considered

monitor - operation progress monitor

Method Detail

lookup

public List<Node> lookup(Object value)

Returns list of nodes that have the indexing attribute value equal to value. WARNING: in order to preserve performance, no validation on value type is performed

Parameters:

value - lookup value

Returns:

list of matching nodes