69 lines
1.6 KiB
Java
69 lines
1.6 KiB
Java
package org.insa.graph.io;
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import org.insa.graph.Arc;
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import org.insa.graph.Node;
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import org.insa.graph.RoadInformation;
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/**
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* Base interface that should be implemented by classes that want to observe the
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* reading of a graph by a {@link GraphReader}.
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*
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*/
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public interface GraphReaderObserver {
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/**
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* Notify observer about information on the graph, this method is always the
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* first called
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*
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* @param mapId ID of the graph.
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*/
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public void notifyStartReading(String mapId);
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/**
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* Notify that the graph has been fully read.
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*/
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public void notifyEndReading();
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/**
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* Notify that the reader is starting to read node.
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*
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* @param nNodes Number of nodes to read.
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*/
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public void notifyStartReadingNodes(int nNodes);
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/**
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* Notify that a new nodes has been read.
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*
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* @param node read.
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*/
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public void notifyNewNodeRead(Node node);
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/**
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* Notify that the reader is starting to read descriptor/road informations.
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*
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* @param nDesc Number of descriptors to read.
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*/
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public void notifyStartReadingDescriptors(int nDesc);
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/**
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* Notify that a new descriptor has been read.
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*
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* @param desc Descriptor read.
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*/
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public void notifyNewDescriptorRead(RoadInformation desc);
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/**
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* Notify that the reader is starting to read arcs.
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*
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* @param nArcs Number of arcs to read (!= number of arcs in the graph).
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*/
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public void notifyStartReadingArcs(int nArcs);
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/**
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* Notify that a new arc has been read.
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*
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* @param arc Arc read.
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*/
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public void notifyNewArcRead(Arc arc);
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}
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