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authorMaharajh, Robby (rx2202) <rx2202@us.att.com>2017-08-11 17:29:16 -0400
committerMaharajh, Robby (rx2202) <rx2202@us.att.com>2017-08-11 17:31:03 -0400
commitc97cd7981fe0c68477623af9e1268a50d6f279d6 (patch)
treefd8f7e6dbddc7f96df2bd3ab9aacd59cb7c7016e /aai-traversal/src/main
parentc3a75eabd29ea6a8738e818abdf0ffa0ecdcebae (diff)
[AAI-162 Amsterdam] Convert custom queries to not
use gremlin Signed-off-by: Maharajh, Robby (rx2202) <rx2202@us.att.com> Change-Id: I83892630687c7c274b9fa63942954a26397a8361
Diffstat (limited to 'aai-traversal/src/main')
-rw-r--r--aai-traversal/src/main/java/org/openecomp/aai/rest/QueryConsumer.java4
-rw-r--r--aai-traversal/src/main/java/org/openecomp/aai/rest/search/GenericQueryProcessor.java7
-rw-r--r--aai-traversal/src/main/java/org/openecomp/aai/rest/search/GroovyQueryBuilderSingleton.java96
3 files changed, 103 insertions, 4 deletions
diff --git a/aai-traversal/src/main/java/org/openecomp/aai/rest/QueryConsumer.java b/aai-traversal/src/main/java/org/openecomp/aai/rest/QueryConsumer.java
index e5f7aad..a5f476a 100644
--- a/aai-traversal/src/main/java/org/openecomp/aai/rest/QueryConsumer.java
+++ b/aai-traversal/src/main/java/org/openecomp/aai/rest/QueryConsumer.java
@@ -43,7 +43,6 @@ import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriInfo;
import org.apache.tinkerpop.gremlin.structure.Vertex;
-
import org.openecomp.aai.dbmap.DBConnectionType;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.ModelType;
@@ -62,6 +61,7 @@ import org.openecomp.aai.serialization.queryformats.Format;
import org.openecomp.aai.serialization.queryformats.FormatFactory;
import org.openecomp.aai.serialization.queryformats.Formatter;
import org.openecomp.aai.serialization.queryformats.SubGraphStyle;
+
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
@@ -72,7 +72,7 @@ public class QueryConsumer extends RESTAPI {
/** The introspector factory type. */
private ModelType introspectorFactoryType = ModelType.MOXY;
- private QueryProcessorType processorType = QueryProcessorType.GREMLIN_SERVER;
+ private QueryProcessorType processorType = QueryProcessorType.LOCAL_GROOVY;
/** The query style. */
private QueryStyle queryStyle = QueryStyle.TRAVERSAL;
@PUT
diff --git a/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GenericQueryProcessor.java b/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GenericQueryProcessor.java
index 2e9e6a5..e05ec7d 100644
--- a/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GenericQueryProcessor.java
+++ b/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GenericQueryProcessor.java
@@ -41,7 +41,6 @@ import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.javatuples.Pair;
-
import org.openecomp.aai.restcore.util.URITools;
import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
import org.openecomp.aai.serialization.queryformats.SubGraphStyle;
@@ -57,6 +56,7 @@ public abstract class GenericQueryProcessor {
protected Optional<String> gremlin;
protected final TransactionalGraphEngine dbEngine;
protected static GremlinServerSingleton gremlinServerSingleton = GremlinServerSingleton.getInstance();
+ protected static GroovyQueryBuilderSingleton queryBuilderSingleton = GroovyQueryBuilderSingleton.getInstance();
protected final boolean isGremlin;
protected GenericQueryProcessor(Builder builder) {
@@ -127,8 +127,11 @@ public abstract class GenericQueryProcessor {
query = gremlinServerSingleton.getStoredQuery(queryName);
if (query == null) {
query = "";
+ } else {
+ query = queryBuilderSingleton.executeTraversal(dbEngine, query, params);
}
+
List<Object> ids = new ArrayList<>();
if (vertices.isPresent() && !vertices.get().isEmpty()) {
@@ -141,7 +144,7 @@ public abstract class GenericQueryProcessor {
sb.append("]");
String startPrefix = "aaiStartQuery = " + sb.toString() + " as Object[];g.V(aaiStartQuery)";
if (!"".equals(query)) {
- query = startPrefix + "." + query;
+ query = startPrefix + query;
} else {
query = startPrefix;
}
diff --git a/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GroovyQueryBuilderSingleton.java b/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GroovyQueryBuilderSingleton.java
new file mode 100644
index 0000000..7e5909c
--- /dev/null
+++ b/aai-traversal/src/main/java/org/openecomp/aai/rest/search/GroovyQueryBuilderSingleton.java
@@ -0,0 +1,96 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.openecomp.aai
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.aai.rest.search;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.codehaus.groovy.ast.ClassHelper;
+import org.codehaus.groovy.ast.expr.ClassExpression;
+import org.codehaus.groovy.ast.expr.PropertyExpression;
+import org.codehaus.groovy.control.CompilerConfiguration;
+import org.codehaus.groovy.control.customizers.ASTTransformationCustomizer;
+import org.codehaus.groovy.control.customizers.ImportCustomizer;
+import org.openecomp.aai.query.builder.QueryBuilder;
+import org.openecomp.aai.serialization.engines.QueryStyle;
+import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
+
+import groovy.lang.Binding;
+import groovy.lang.GroovyShell;
+import groovy.lang.Script;
+import groovy.transform.TimedInterrupt;
+
+/**
+ * Creates and returns a groovy shell with the
+ * configuration to statically import graph classes
+ *
+ */
+public class GroovyQueryBuilderSingleton {
+
+ private final GroovyShell shell;
+ private GroovyQueryBuilderSingleton() {
+ Map<String, Object> parameters = new HashMap<>();
+ parameters.put("value", 30000);
+ parameters.put("unit", new PropertyExpression(new ClassExpression(ClassHelper.make(TimeUnit.class)),"MILLISECONDS"));
+
+ ASTTransformationCustomizer custom = new ASTTransformationCustomizer(parameters, TimedInterrupt.class);
+ ImportCustomizer imports = new ImportCustomizer();
+ imports.addStaticStars(
+ "org.apache.tinkerpop.gremlin.process.traversal.P"
+ );
+ imports.addImports(
+ "org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__",
+ "org.apache.tinkerpop.gremlin.structure.T",
+ "org.apache.tinkerpop.gremlin.process.traversal.P",
+ "org.openecomp.aai.serialization.db.EdgeType");
+ CompilerConfiguration config = new CompilerConfiguration();
+ config.addCompilationCustomizers(custom, imports);
+
+ this.shell = new GroovyShell(config);
+ }
+
+ private static class Helper {
+ private static final GroovyQueryBuilderSingleton INSTANCE = new GroovyQueryBuilderSingleton();
+ }
+
+ public static GroovyQueryBuilderSingleton getInstance() {
+
+ return Helper.INSTANCE;
+ }
+
+ /**
+ * @param traversal
+ * @param params
+ * @return result of graph traversal
+ */
+ public String executeTraversal (TransactionalGraphEngine engine, String traversal, Map<String, Object> params) {
+ QueryBuilder<Vertex> builder = engine.getQueryBuilder(QueryStyle.GREMLIN_TRAVERSAL);
+ Binding binding = new Binding(params);
+ binding.setVariable("builder", builder);
+ Script script = shell.parse(traversal);
+ script.setBinding(binding);
+ script.run();
+
+ return builder.getQuery();
+ }
+}