Package org.insa.graphs.model.io

Class BinaryGraphReader

java.lang.Object

org.insa.graphs.model.io.BinaryReader

org.insa.graphs.model.io.BinaryGraphReader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, GraphReader

public class BinaryGraphReader
extends BinaryReader
implements GraphReader

Implementation of GraphReader to read graph in binary format.

Field Summary

Fields

Modifier and Type	Field	Description
protected static int	MAP_ID_FIELD_LENGTH
protected java.util.List<GraphReaderObserver>	observers

Fields inherited from class org.insa.graphs.model.io.BinaryReader

dis

Constructor Summary

Constructors

Constructor	Description
BinaryGraphReader(java.io.DataInputStream dis)	Create a new BinaryGraphReader that read from the given input stream.

Method Summary

Modifier and Type	Method	Description
void	addObserver(GraphReaderObserver observer)	Add a new observer to this graph reader.
Graph	read()	Read a graph an returns it.
protected static AccessRestrictions	toAccessInformation(long access)	Parse the given long value into a new instance of AccessRestrictions.
protected static RoadInformation.RoadType	toRoadType(char ch)	Convert a character to its corresponding road type.

Methods inherited from class org.insa.graphs.model.io.BinaryReader

checkByteOrThrow, checkMagicNumberOrThrow, checkVersionOrThrow, close, getCurrentVersion, read24bits, readFixedLengthString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.insa.graphs.model.io.GraphReader

close

Field Detail

MAP_ID_FIELD_LENGTH

protected static final int MAP_ID_FIELD_LENGTH

See Also:

Constant Field Values

observers

protected java.util.List<GraphReaderObserver> observers

Constructor Detail

BinaryGraphReader

public BinaryGraphReader(java.io.DataInputStream dis)

Create a new BinaryGraphReader that read from the given input stream.

Parameters:

dis - Input stream to read from.

Method Detail

toAccessInformation

protected static AccessRestrictions toAccessInformation(long access)

Parse the given long value into a new instance of AccessRestrictions.

Parameters:

access - The value to parse.

Returns:

New instance of access restrictions parsed from the given value.

toRoadType

protected static RoadInformation.RoadType toRoadType(char ch)

Convert a character to its corresponding road type.

Parameters:

ch - Character to convert.

Returns:

Road type corresponding to the given character.

addObserver

public void addObserver(GraphReaderObserver observer)

Description copied from interface: GraphReader

Add a new observer to this graph reader.

Specified by:

addObserver in interface GraphReader

Parameters:

observer - Observer to add.

read

public Graph read()
           throws java.io.IOException

Description copied from interface: GraphReader

Read a graph an returns it.

Specified by:

read in interface GraphReader

Returns:

The graph read.

Throws:

java.io.IOException - if an exception occurs while reading the graph.