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feat(client): support edgeExistence api (#544)
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59 changes: 59 additions & 0 deletions
59
hugegraph-client/src/main/java/org/apache/hugegraph/api/traverser/EdgeExistenceAPI.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,59 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with this | ||
| * work for additional information regarding copyright ownership. The ASF | ||
| * licenses this file to You under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
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| package org.apache.hugegraph.api.traverser; | ||
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| import org.apache.hugegraph.api.graph.GraphAPI; | ||
| import org.apache.hugegraph.client.RestClient; | ||
| import org.apache.hugegraph.rest.RestResult; | ||
| import org.apache.hugegraph.structure.graph.Edge; | ||
| import org.apache.logging.log4j.util.Strings; | ||
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| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public class EdgeExistenceAPI extends TraversersAPI { | ||
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| public EdgeExistenceAPI(RestClient client, String graph) { | ||
| super(client, graph); | ||
| } | ||
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| @Override | ||
| protected String type() { | ||
| return "edgeexist"; | ||
| } | ||
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| public List<Edge> get(Object sourceId, Object targetId, String edgeLabel, | ||
| String sortValues, int limit) { | ||
| this.client.checkApiVersion("0.70", "count"); | ||
| String source = GraphAPI.formatVertexId(sourceId, false); | ||
| String target = GraphAPI.formatVertexId(targetId, false); | ||
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| Map<String, Object> params = new LinkedHashMap<>(); | ||
| params.put("source", source); | ||
| params.put("target", target); | ||
| params.put("label", edgeLabel); | ||
| if (!Strings.isEmpty(sortValues)) { | ||
| params.put("sort_values", sortValues); | ||
| } | ||
| params.put("limit", limit); | ||
| RestResult result = this.client.get(this.path(), params); | ||
| return result.readList("edges", Edge.class); | ||
| } | ||
| } |
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70 changes: 70 additions & 0 deletions
70
hugegraph-client/src/test/java/org/apache/hugegraph/api/traverser/EdgeExistenceAPITest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with this | ||
| * work for additional information regarding copyright ownership. The ASF | ||
| * licenses this file to You under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
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| package org.apache.hugegraph.api.traverser; | ||
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| import org.apache.hugegraph.api.BaseApiTest; | ||
| import org.apache.hugegraph.structure.graph.Edge; | ||
| import org.apache.hugegraph.testutil.Assert; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| import java.util.List; | ||
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| public class EdgeExistenceAPITest extends TraverserApiTest { | ||
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| @BeforeClass | ||
| public static void prepareSchemaAndGraph() { | ||
| BaseApiTest.initPropertyKey(); | ||
| BaseApiTest.initVertexLabel(); | ||
| BaseApiTest.initEdgeLabel(); | ||
| BaseApiTest.initIndexLabel(); | ||
| BaseApiTest.initVertex(); | ||
| BaseApiTest.initEdge(); | ||
| } | ||
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| @Test | ||
| public void testEdgeExistenceGet() { | ||
| Object markoId = getVertexId("person", "name", "marko"); | ||
| Object vadasId = getVertexId("person", "name", "vadas"); | ||
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| List<Edge> edges = edgeExistenceAPI.get(markoId, vadasId, "", "", 100); | ||
| Assert.assertEquals(1, edges.size()); | ||
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| String sortValues = edges.get(0).name(); | ||
| edges = edgeExistenceAPI.get(markoId, vadasId, "knows", sortValues, 100); | ||
| String id = edges.get(0).id(); | ||
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| Assert.assertEquals(1, edges.size()); | ||
| Assert.assertTrue(id.contains("marko") && id.contains("vadas") && id.contains(sortValues)); | ||
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| Object lopId = getVertexId("software", "name", "lop"); | ||
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| edges = edgeExistenceAPI.get(lopId, vadasId, "knows", "", 100); | ||
| Assert.assertEquals(0, edges.size()); | ||
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| Object joshId = getVertexId("person", "name", "josh"); | ||
| Object rippleId = getVertexId("software", "name", "ripple"); | ||
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| edges = edgeExistenceAPI.get(joshId, rippleId, "created", "", 100); | ||
| Assert.assertEquals(1, edges.size()); | ||
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| edges = edgeExistenceAPI.get(joshId, rippleId, "created", "", 0); | ||
| Assert.assertEquals(0, edges.size()); | ||
| } | ||
| } |
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