60 lines
1.1 KiB
Java
60 lines
1.1 KiB
Java
/**
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* Container for link between two Osm nodes
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*
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* @author ab
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*/
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package btools.mapaccess;
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import java.util.*;
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import btools.util.ByteArrayUnifier;
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public final class OsmNodesMap
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{
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private HashMap<OsmNode,OsmNode> hmap = new HashMap<OsmNode,OsmNode>();
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private ByteArrayUnifier abUnifier = new ByteArrayUnifier( 16384, false );
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private OsmNode testKey = new OsmNode();
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public ByteArrayUnifier getByteArrayUnifier()
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{
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return abUnifier;
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}
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/**
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* Get a node from the map
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* @return the node for the given id if exist, else null
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*/
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public OsmNode get( long id )
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{
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testKey.ilon = (int)(id >> 32);
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testKey.ilat = (int)(id & 0xffffffff);
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return hmap.get( testKey );
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}
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public void remove( OsmNode node )
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{
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hmap.remove( node );
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}
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/**
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* Put a node into the map
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* @return the previous node if that id existed, else null
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*/
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public OsmNode put( OsmNode node )
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{
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return hmap.put( node, node );
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}
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/**
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* @return the number of nodes in that map
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*/
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public int size()
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{
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return hmap.size();
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}
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}
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