X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.interop%2Fsrc%2Forg%2Fsimantics%2Finterop%2Ftest%2FPath.java;fp=org.simantics.interop%2Fsrc%2Forg%2Fsimantics%2Finterop%2Ftest%2FPath.java;h=b772267caa349b0a218e2cda22c5a299d8f8c9c8;hb=1f360dfa6505e971658bad416214f5f358305fba;hp=0000000000000000000000000000000000000000;hpb=499167aa0bcc2cab0066b87ef4a690c16ea92754;p=simantics%2Finterop.git

diff --git a/org.simantics.interop/src/org/simantics/interop/test/Path.java b/org.simantics.interop/src/org/simantics/interop/test/Path.java
new file mode 100644
index 0000000..b772267
--- /dev/null
+++ b/org.simantics.interop/src/org/simantics/interop/test/Path.java
@@ -0,0 +1,99 @@
+package org.simantics.interop.test;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+
+public class Path {
+	private Resource begin;
+	private Resource end;
+	private List<Statement> statements = new ArrayList<Statement>(2);
+	
+	public Path(Statement s) {
+		begin = s.getSubject();
+		end = s.getObject();
+		statements.add(s);
+	}
+	
+	public Path(Path p) {
+		begin = p.begin;
+		end = p.end;
+		statements.addAll(p.statements);
+	}
+	
+	public Resource getBegin() {
+		return begin;
+	}
+	
+	public Resource getEnd() {
+		return end;
+	}
+	
+	public List<Statement> getStatements() {
+		return statements;
+	}
+	
+	public int getLength() {
+		return statements.size();
+	}
+	
+	public boolean add(Statement s) {
+		if (!statements.get(statements.size()-1).getObject().equals(s.getSubject()))
+			//throw new RuntimeException("Non continuous path. " + s.getSubject() + " does not match " + statements.get(statements.size()-1).getObject());
+			return false;
+		if (s.getObject().equals(begin))
+			return false;
+		for (Statement stm : statements) {
+			if (stm.getObject().equals(s.getObject()))
+				return false;
+		}
+		end = s.getObject();
+		statements.add(s);
+		return true;
+	}
+	
+	public static Collection<Path> expand(Path path, Collection<Statement> statements) {
+		Collection<Path> result = new ArrayList<Path>(statements.size());
+		for (Statement s : statements) {
+			Path p = new Path(path);
+			p.add(s);
+			result.add(p);
+		}
+		return result;
+	}
+	
+	public static Collection<Path> create(Collection<Statement> statements) {
+		Collection<Path> result = new ArrayList<Path>(statements.size());
+		for (Statement s : statements) {
+			Path p = new Path(s);
+			result.add(p);
+		}
+		return result;
+	}
+	
+	@Override
+	public boolean equals(Object arg0) {
+		if(!arg0.getClass().equals(getClass()))
+			return false;
+		Path other = (Path)arg0;
+		if (!begin.equals(other.begin))
+			return false;
+		if (!end.equals(other.end))
+			return false;
+		if (statements.size() != other.statements.size())
+			return false;
+		for (int i = 0; i < statements.size(); i++) {
+			if (!statements.get(i).equals(other.statements.get(i)))
+				return false;
+		}
+		return false;
+	}
+	
+	@Override
+	public int hashCode() {
+		return begin.hashCode() + end.hashCode();
+	}
+}