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Merge pull request #316 from LiUSemWeb/singleEdgeLabelMapping
Add SingleEdgeLabelMapping and its tests
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37 changes: 37 additions & 0 deletions
37
.../se/liu/ida/hefquin/engine/wrappers/lpgwrapper/impl/SingleEdgeLabelMappingToURIsImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package se.liu.ida.hefquin.engine.wrappers.lpgwrapper.impl; | ||
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| import org.apache.jena.graph.Node; | ||
| import org.apache.jena.graph.NodeFactory; | ||
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| public class SingleEdgeLabelMappingToURIsImpl implements EdgeLabelMapping { | ||
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| protected final String label; | ||
| protected final Node node; | ||
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| public SingleEdgeLabelMappingToURIsImpl(final String label, final String iri){ | ||
| this.label=label; | ||
| this.node = NodeFactory.createURI(iri); | ||
| } | ||
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| @Override | ||
| public Node map(final String label) { | ||
| if (label.equals(this.label)) { | ||
| return this.node; | ||
| } | ||
| else { | ||
| throw new IllegalArgumentException("The given edge label (" + label + ") is not a supported label in the image of this edge label mapping."); | ||
| } | ||
| } | ||
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| public String unmap(final Node node) { | ||
| if (!isPossibleResult(node)) | ||
| throw new IllegalArgumentException("The given RDF term (" + node.toString() + ") is not an URI node or not in the image of this edge label mapping."); | ||
| return this.label; | ||
| } | ||
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| @Override | ||
| public boolean isPossibleResult(final Node node) { | ||
| return node.isURI() && node.getURI().equals(this.node.getURI()); | ||
| } | ||
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| } |
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58 changes: 58 additions & 0 deletions
58
...liu/ida/hefquin/engine/wrappers/lpgwrapper/impl/SingleEdgeLabelMappingToURIsImplTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package se.liu.ida.hefquin.engine.wrappers.lpgwrapper.impl; | ||
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| import org.apache.jena.graph.Node; | ||
| import org.apache.jena.graph.NodeFactory; | ||
| import org.junit.Test; | ||
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| import static org.junit.Assert.*; | ||
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| public class SingleEdgeLabelMappingToURIsImplTest { | ||
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| protected final String label="DIRECTED"; | ||
| protected final String iri="http://singleExample.org/directorOf"; | ||
| protected final EdgeLabelMapping singleEdgeLabelMapping = new SingleEdgeLabelMappingToURIsImpl(label,iri); | ||
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| @Test | ||
| public void mapSingleEdgeLabel() { | ||
| final Node resultNode = singleEdgeLabelMapping.map("DIRECTED"); | ||
| assertNotNull(resultNode); | ||
| assertTrue(resultNode.isURI()); | ||
| assertEquals(resultNode.getURI(),"http://singleExample.org/directorOf"); | ||
| } | ||
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| @Test | ||
| public void unmapSingleURIEdgeLabel(){ | ||
| final Node node = NodeFactory.createURI("http://singleExample.org/directorOf"); | ||
| final String resultString = singleEdgeLabelMapping.unmap(node); | ||
| assertNotNull(resultString); | ||
| assertEquals(resultString, "DIRECTED"); | ||
| } | ||
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| @Test | ||
| public void edgeLabelIsPossibleResult(){ | ||
| final Node IRINode = NodeFactory.createURI("http://singleExample.org/directorOf"); | ||
| final boolean IRIIsPossible = singleEdgeLabelMapping.isPossibleResult(IRINode); | ||
| assertTrue(IRIIsPossible); | ||
| } | ||
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| /* | ||
| * In this test case, a node with an invalid URI is provided as an argument to the SingleEdgeLabelMappingToURIsImpl. | ||
| */ | ||
| @Test(expected = IllegalArgumentException.class) | ||
| public void unmapEdgeLabelWithInvalidURI(){ | ||
| final Node node = NodeFactory.createURI("https://example.org/3"); | ||
| singleEdgeLabelMapping.unmap(node); | ||
| } | ||
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| /* | ||
| * In this test case, a label which is not equal with the given label in SingleEdgeLabelMappingToURIsImpl. | ||
| */ | ||
| @Test(expected = IllegalArgumentException.class) | ||
| public void mapEdgeLabelWithUnmatchedLabel(){ | ||
| final String label = "test"; | ||
| singleEdgeLabelMapping.map(label); | ||
| } | ||
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| } |