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Posted to commits@tinkerpop.apache.org by sp...@apache.org on 2016/12/12 12:45:43 UTC
[41/46] tinkerpop git commit: TINKERPOP-1562 Moved ScriptEngineCache
to jsr223 package.
TINKERPOP-1562 Moved ScriptEngineCache to jsr223 package.
Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo
Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/ae45eca7
Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/ae45eca7
Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/ae45eca7
Branch: refs/heads/tp32
Commit: ae45eca70de741a1a1872117e9f4f7dc3ddd6245
Parents: c2e71dc
Author: Stephen Mallette <sp...@genoprime.com>
Authored: Thu Dec 1 06:48:22 2016 -0500
Committer: Stephen Mallette <sp...@genoprime.com>
Committed: Fri Dec 2 06:31:51 2016 -0500
----------------------------------------------------------------------
.../gremlin/jsr223/ScriptEngineCache.java | 54 ++++++++++++++++++++
.../gremlin/util/ScriptEngineCache.java | 4 +-
.../gremlin/jsr223/ScriptEngineCacheTest.java | 46 +++++++++++++++++
.../python/jsr223/JythonScriptEngineSetup.java | 2 +-
.../python/jsr223/JythonTranslatorTest.java | 10 ----
.../jsr223/PythonGraphSONJavaTranslator.java | 2 +-
.../gremlin/python/jsr223/PythonProvider.java | 5 +-
7 files changed, 106 insertions(+), 17 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCache.java
----------------------------------------------------------------------
diff --git a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCache.java b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCache.java
new file mode 100644
index 0000000..9d2848d
--- /dev/null
+++ b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCache.java
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+package org.apache.tinkerpop.gremlin.jsr223;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * A cache of standard {@code ScriptEngine} instances, instantiated by the standard {@code ScriptEngineManager}.
+ * These instances are NOT "Gremlin-enabled". See {@link SingleGremlinScriptEngineManager} for the analogous class
+ * that loads {@link GremlinScriptEngine} instances.
+ *
+ * @author Daniel Kuppitz (http://gremlin.guru)
+ * @author Stephen Mallette (http://stephen.genoprime.com)
+ */
+public final class ScriptEngineCache {
+
+ private ScriptEngineCache() {}
+
+ public final static String DEFAULT_SCRIPT_ENGINE = "gremlin-groovy";
+
+ private final static ScriptEngineManager SCRIPT_ENGINE_MANAGER = new ScriptEngineManager();
+ private final static Map<String, ScriptEngine> CACHED_ENGINES = new ConcurrentHashMap<>();
+
+ public static ScriptEngine get(final String engineName) {
+ return CACHED_ENGINES.compute(engineName, (key, engine) -> {
+ if (null == engine) {
+ engine = SCRIPT_ENGINE_MANAGER.getEngineByName(engineName);
+ if (null == engine) {
+ throw new IllegalArgumentException("There is no script engine with provided name: " + engineName);
+ }
+ }
+ return engine;
+ });
+ }
+}
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/ScriptEngineCache.java
----------------------------------------------------------------------
diff --git a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/ScriptEngineCache.java b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/ScriptEngineCache.java
index 1ce7d05..dc4aeb7 100644
--- a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/ScriptEngineCache.java
+++ b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/ScriptEngineCache.java
@@ -28,12 +28,14 @@ import java.util.concurrent.ConcurrentHashMap;
/**
* A cache of standard {@code ScriptEngine} instances, instantiated by the standard {@code ScriptEngineManager}.
- * These instances are not "Gremlin-enabled". See {@link SingleGremlinScriptEngineManager} for the analogous class
+ * These instances are NOT "Gremlin-enabled". See {@link SingleGremlinScriptEngineManager} for the analogous class
* that loads {@link GremlinScriptEngine} instances.
*
* @author Daniel Kuppitz (http://gremlin.guru)
* @author Stephen Mallette (http://stephen.genoprime.com)
+ * @deprecated As of release 3.2.4, replaced by {@link org.apache.tinkerpop.gremlin.jsr223.ScriptEngineCache}.
*/
+@Deprecated
public final class ScriptEngineCache {
private ScriptEngineCache() {}
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCacheTest.java
----------------------------------------------------------------------
diff --git a/gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCacheTest.java b/gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCacheTest.java
new file mode 100644
index 0000000..7cdbdc2
--- /dev/null
+++ b/gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/jsr223/ScriptEngineCacheTest.java
@@ -0,0 +1,46 @@
+/*
+ * 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.
+ */
+package org.apache.tinkerpop.gremlin.jsr223;
+
+import org.apache.tinkerpop.gremlin.TestHelper;
+import org.junit.Test;
+
+import static org.junit.Assert.assertSame;
+
+/**
+ * @author Stephen Mallette (http://stephen.genoprime.com)
+ */
+public class ScriptEngineCacheTest {
+
+ @Test
+ public void shouldBeUtilityClass() throws Exception {
+ TestHelper.assertIsUtilityClass(ScriptEngineCache.class);
+ }
+
+ @Test
+ public void shouldGetEngineFromCache() {
+ assertSame(ScriptEngineCache.get("nashorn"), ScriptEngineCache.get("nashorn"));
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void shouldThrowWhenScripEngineDoesNotExist() {
+ ScriptEngineCache.get("junk-that-no-one-would-ever-call-a-script-engine-83939473298432");
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonScriptEngineSetup.java
----------------------------------------------------------------------
diff --git a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonScriptEngineSetup.java b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonScriptEngineSetup.java
index a16ce30..a4fe1ed 100644
--- a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonScriptEngineSetup.java
+++ b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonScriptEngineSetup.java
@@ -19,7 +19,7 @@
package org.apache.tinkerpop.gremlin.python.jsr223;
-import org.apache.tinkerpop.gremlin.util.ScriptEngineCache;
+import org.apache.tinkerpop.gremlin.jsr223.ScriptEngineCache;
import org.python.jsr223.PyScriptEngine;
import javax.script.ScriptException;
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonTranslatorTest.java
----------------------------------------------------------------------
diff --git a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonTranslatorTest.java b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonTranslatorTest.java
index 8bd3265..5a6e30d 100644
--- a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonTranslatorTest.java
+++ b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/JythonTranslatorTest.java
@@ -19,26 +19,16 @@
package org.apache.tinkerpop.gremlin.python.jsr223;
-import org.apache.tinkerpop.gremlin.jsr223.GremlinScriptEngine;
-import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
import org.apache.tinkerpop.gremlin.process.traversal.Traverser;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
-import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
-import org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.SubgraphStrategy;
import org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.TranslationStrategy;
-import org.apache.tinkerpop.gremlin.process.traversal.strategy.verification.ReadOnlyStrategy;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerFactory;
-import org.apache.tinkerpop.gremlin.util.ScriptEngineCache;
import org.apache.tinkerpop.gremlin.util.function.Lambda;
import org.junit.Test;
-import javax.script.Bindings;
-import javax.script.SimpleBindings;
import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
import java.util.List;
import static org.junit.Assert.assertEquals;
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonGraphSONJavaTranslator.java
----------------------------------------------------------------------
diff --git a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonGraphSONJavaTranslator.java b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonGraphSONJavaTranslator.java
index cdeb407..740fe1f 100644
--- a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonGraphSONJavaTranslator.java
+++ b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonGraphSONJavaTranslator.java
@@ -20,6 +20,7 @@
package org.apache.tinkerpop.gremlin.python.jsr223;
import org.apache.tinkerpop.gremlin.jsr223.JavaTranslator;
+import org.apache.tinkerpop.gremlin.jsr223.ScriptEngineCache;
import org.apache.tinkerpop.gremlin.process.traversal.Bytecode;
import org.apache.tinkerpop.gremlin.process.traversal.Translator;
import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
@@ -28,7 +29,6 @@ import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONMapper;
import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONReader;
import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONVersion;
import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONXModuleV2d0;
-import org.apache.tinkerpop.gremlin.util.ScriptEngineCache;
import javax.script.Bindings;
import javax.script.ScriptContext;
http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/ae45eca7/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonProvider.java
----------------------------------------------------------------------
diff --git a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonProvider.java b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonProvider.java
index fe04156..9e03884 100644
--- a/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonProvider.java
+++ b/gremlin-python/src/test/java/org/apache/tinkerpop/gremlin/python/jsr223/PythonProvider.java
@@ -23,12 +23,10 @@ import org.apache.commons.configuration.Configuration;
import org.apache.tinkerpop.gremlin.AbstractGraphProvider;
import org.apache.tinkerpop.gremlin.LoadGraphWith;
import org.apache.tinkerpop.gremlin.jsr223.JavaTranslator;
+import org.apache.tinkerpop.gremlin.jsr223.ScriptEngineCache;
import org.apache.tinkerpop.gremlin.process.traversal.TraversalInterruptionComputerTest;
import org.apache.tinkerpop.gremlin.process.traversal.TraversalInterruptionTest;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
-import org.apache.tinkerpop.gremlin.process.traversal.step.map.PageRankTest;
-import org.apache.tinkerpop.gremlin.process.traversal.step.map.PeerPressureTest;
-import org.apache.tinkerpop.gremlin.process.traversal.step.map.ProfileTest;
import org.apache.tinkerpop.gremlin.process.traversal.step.map.ProgramTest;
import org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.ElementIdStrategyProcessTest;
import org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.EventStrategyProcessTest;
@@ -42,7 +40,6 @@ import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraphVariables;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerProperty;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerVertex;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerVertexProperty;
-import org.apache.tinkerpop.gremlin.util.ScriptEngineCache;
import javax.script.ScriptException;
import java.util.Arrays;