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ASF GitHub Bot commented on TINKERPOP-2234: ------------------------------------------- spmallette commented on code in PR #3211: URL: https://github.com/apache/tinkerpop/pull/3211#discussion_r2377025669 ########## gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/Type.java: ########## @@ -0,0 +1,123 @@ +/* + * 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.process.traversal; + +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.ConcurrentHashMap; + +/** + * {@code Type} is a {@code BiPredicate} that determines whether the first argument is a type of the second argument. + * + */ +public enum Type implements PBiPredicate<Object, Object> { Review Comment: i think i like `InstanceOf` better than `ClassOf`. `IsA` is interesting though given how generic it is but I can't think of how else we would use that offhand. > Introduce Type Predicate > ------------------------ > > Key: TINKERPOP-2234 > URL: https://issues.apache.org/jira/browse/TINKERPOP-2234 > Project: TinkerPop > Issue Type: Improvement > Components: process > Affects Versions: 3.4.2 > Reporter: Stephen Mallette > Priority: Major > > Provide for a {{typeOf()}} predicate that allows for testing the type of an > object which would enable neat things like: > {code} > g.V().outE().has('weight',gt(0.1)).inV().path().unfold().is(typeOf(VERTEX)) > {code} > See the linked DISCUSS thread for more information. -- This message was sent by Atlassian Jira (v8.20.10#820010)