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Diffstat (limited to 'gerrit-server/src/main/java/com/google/gerrit/rules/PredicateProvider.java')
-rw-r--r-- | gerrit-server/src/main/java/com/google/gerrit/rules/PredicateProvider.java | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/rules/PredicateProvider.java b/gerrit-server/src/main/java/com/google/gerrit/rules/PredicateProvider.java new file mode 100644 index 0000000000..4bd94236bb --- /dev/null +++ b/gerrit-server/src/main/java/com/google/gerrit/rules/PredicateProvider.java @@ -0,0 +1,34 @@ +// Copyright (C) 2012 The Android Open Source Project +// +// 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. +package com.google.gerrit.rules; + +import com.google.common.collect.ImmutableSet; +import com.google.gerrit.extensions.annotations.ExtensionPoint; + +import com.googlecode.prolog_cafe.lang.Predicate; + +/** + * Provides additional packages that contain Prolog predicates that should be + * made available in the Prolog environment. The predicates can e.g. be used in + * the project submit rules. + * + * Each Java class defining a Prolog predicate must be in one of the provided + * packages and its name must apply to the 'PRED_[functor]_[arity]' format. In + * addition it must extend {@link Predicate}. + */ +@ExtensionPoint +public interface PredicateProvider { + /** Return set of packages that contain Prolog predicates */ + public ImmutableSet<String> getPackages(); +} |