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[simantics/platform.git] / bundles / org.simantics.structural2 / src / org / simantics / structural2 / variables / Connection.java
1 package org.simantics.structural2.variables;\r
2 \r
3 import java.util.Collection;\r
4 \r
5 import org.simantics.db.ReadGraph;\r
6 import org.simantics.db.Resource;\r
7 import org.simantics.db.exception.DatabaseException;\r
8 import org.simantics.db.layer0.variable.Variable;\r
9 \r
10 public interface Connection {\r
11 \r
12     /**\r
13      * Return absolute URIs of the connection points. An optional (may be null) relationType may be used\r
14      * to filter the returned connection points.\r
15      */\r
16         Collection<String> getConnectionPointURIs(ReadGraph graph, Resource relationType) throws DatabaseException;\r
17     /**\r
18      * Return the connection points. An optional (may be null) relationType may be used\r
19      * to filter the returned connection points.\r
20      */\r
21         Collection<Variable> getConnectionPoints(ReadGraph graph, Resource relationType) throws DatabaseException;\r
22         \r
23         Collection<VariableConnectionPointDescriptor> getConnectionPointDescriptors(ReadGraph graph, Resource relationType) throws DatabaseException;\r
24 \r
25 }\r