39 lines
839 B
Java
39 lines
839 B
Java
package org.insa.graphs.model.io;
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import java.io.Closeable;
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import java.io.IOException;
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import org.insa.graphs.model.Graph;
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/**
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* Base interface for classes that can read graph.
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*
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*/
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public interface GraphReader extends AutoCloseable, Closeable {
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/**
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* Add a new observer to this graph reader.
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*
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* @param observer Observer to add.
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*/
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public void addObserver(GraphReaderObserver observer);
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/**
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* Read a graph an returns it.
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*
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* @return The graph read.
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*
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* @throws IOException if an exception occurs while reading the graph.
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*
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*/
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public Graph read() throws IOException;
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/**
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* Close this graph reader.
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*
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* @throws IOException if an exception occurs while closing the reader.
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*
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*/
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public void close() throws IOException;
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}
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