Package suvi.api.alg.attr

Layout attribute interfaces.

See:
Description

Interface Summary

EdgeGapAttr	Global edge gap attribute.
EdgeLabelAttr	Edge label attributes.
EdgeLabelConstants	Edge label constants.
EdgeMinLengthAttr	Edge minimum length attributes.
EdgeTypeAttr	Edge type attributes.
EdgeTypeConstants	Edge type constants.
EdgeWeightAttr	Edge weight attributes.
FlowTrendAttr	Global flow trend attribute.
FlowTrendConstants	Flow trend constants.
GraphLayoutAttr	Tagging interface for layout attributes.
GraphLayoutAttrBuilder	Builder for graph layout attributes.
GraphLayoutAttrBuilderFactory	A factory for creating new GraphLayoutAttrBuilders as needed.
GraphLayoutAttrClassesConstants	Contains an array of all attribute classes in this package.
GraphLayoutAttrConsumer	A graph layout attribute consumer can tell which attributes it wants and at the same time provide more or less reasonable defaults for those attributes.
GraphLayoutAttrMapBuilder	A Builder [Gamma1995] for GraphLayoutAttrMap.
NodeExtentAttr	Node extent attributes.
NodeGapAttr	Global node gap attribute.
NodeGroupingAttr	Node grouping attributes.
NodeOrderingAttr	Node ordering attributes.
NodeRankingAttr	Node ranking attributes.

Class Summary

AbstractGraphLayoutAttrBuilder	Abstract base for GraphLayoutAttrBuilders.
GraphLayoutAttrMap	Map from an attribute class to the attribute object.
GraphLayoutAttrs	Static utility methods for dealing with graph layout attributes.
GraphLayoutAttrsTest	A [JUnit] test for GraphLayoutAttrs.
GraphLayoutAttrTransformer	Canonicalization transformation function for graph layout attributes.

Package suvi.api.alg.attr Description

Layout attribute interfaces.

Design rationale

The intention behind the design of the attribute system is to centralize the logic needed to support a particular attribute interface to the interface itself, so that other components need not be modified when new attribute interfaces are added. In particular, the GraphLayoutAlgChassis, the existing policies (suvi.alg.policies) and the GraphParser are mostly invariant in respect to addition of new attributes. This is the essence of the Open-Closed Principle [Martin2002].