Reverted change from 1d9e6dc6d30c5c7d56e4007527365793eb1f223e Not sure why, but the above referenced change seemed to hang various integration tests. CTR
Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/789e5752 Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/789e5752 Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/789e5752 Branch: refs/heads/TINKERPOP-1836 Commit: 789e5752d8f6f781272a7c56f0d2b491849d4ca9 Parents: 6096a4c Author: Stephen Mallette <sp...@genoprime.com> Authored: Wed Apr 25 18:38:53 2018 -0400 Committer: Stephen Mallette <sp...@genoprime.com> Committed: Wed Apr 25 18:38:53 2018 -0400 ---------------------------------------------------------------------- .../process/traversal/TraversalStrategies.java | 43 +++++++++----------- 1 file changed, 20 insertions(+), 23 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/789e5752/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategies.java ---------------------------------------------------------------------- diff --git a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategies.java b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategies.java index 37cd1a6..091687a 100644 --- a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategies.java +++ b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategies.java @@ -203,7 +203,7 @@ public interface TraversalStrategies extends Serializable, Cloneable { * Keeps track of {@link GraphComputer} and/or {@link Graph} classes that have been initialized to the * classloader so that they do not have to be reflected again. */ - private static Map<Class, Boolean> LOADED = new ConcurrentHashMap<>(); + private static Set<Class> LOADED = ConcurrentHashMap.newKeySet(); private static final Map<Class<? extends Graph>, TraversalStrategies> GRAPH_CACHE = new HashMap<>(); private static final Map<Class<? extends GraphComputer>, TraversalStrategies> GRAPH_COMPUTER_CACHE = new HashMap<>(); @@ -249,28 +249,27 @@ public interface TraversalStrategies extends Serializable, Cloneable { } public static TraversalStrategies getStrategies(final Class graphOrGraphComputerClass) { - // be sure to load the class so that its static{} traversal strategy registration component is loaded. - // this is more important for GraphComputer classes as they are typically not instantiated prior to - // strategy usage like Graph classes. - LOADED.computeIfAbsent(graphOrGraphComputerClass, unused -> { - final String graphComputerClassName = null != graphOrGraphComputerClass.getDeclaringClass() ? - graphOrGraphComputerClass.getCanonicalName().replace("." + graphOrGraphComputerClass.getSimpleName(), "$" + graphOrGraphComputerClass.getSimpleName()) : - graphOrGraphComputerClass.getCanonicalName(); - - try { + try { + // be sure to load the class so that its static{} traversal strategy registration component is loaded. + // this is more important for GraphComputer classes as they are typically not instantiated prior to + // strategy usage like Graph classes. + if (!LOADED.contains(graphOrGraphComputerClass)) { + final String graphComputerClassName = null != graphOrGraphComputerClass.getDeclaringClass() ? + graphOrGraphComputerClass.getCanonicalName().replace("." + graphOrGraphComputerClass.getSimpleName(), "$" + graphOrGraphComputerClass.getSimpleName()) : + graphOrGraphComputerClass.getCanonicalName(); Class.forName(graphComputerClassName); - } catch (ClassNotFoundException e) { - throw new IllegalStateException(e.getMessage(), e); + + // keep track of stuff we already loaded once - stuff in this if/statement isn't cheap and this + // method gets called a lot, basically every time a new traversal gets spun up (that includes + // child traversals. perhaps it is possible to just check the cache keys for this information, but + // it's not clear if this method will be called with something not in the cache and if it is and + // it results in error, then we'd probably not want to deal with this block again anyway + LOADED.add(graphOrGraphComputerClass); } + } catch (final ClassNotFoundException e) { + throw new IllegalStateException(e.getMessage(), e); + } - // keep track of stuff we already loaded once - stuff in this if/statement isn't cheap and this - // method gets called a lot, basically every time a new traversal gets spun up (that includes - // child traversals. perhaps it is possible to just check the cache keys for this information, but - // it's not clear if this method will be called with something not in the cache and if it is and - // it results in error, then we'd probably not want to deal with this block again anyway - return true; - }); - if (GRAPH_CACHE.containsKey(graphOrGraphComputerClass)) { return GRAPH_CACHE.get(graphOrGraphComputerClass); } else if (Graph.class.isAssignableFrom(graphOrGraphComputerClass)) { @@ -284,6 +283,4 @@ public interface TraversalStrategies extends Serializable, Cloneable { } } } - - -} +} \ No newline at end of file