From fd7cd756fe7e13e0bddde7be8ef7afecd2ba9fb7 Mon Sep 17 00:00:00 2001 From: Jan Srnicek Date: Thu, 12 Jan 2017 09:59:30 +0100 Subject: HONEYCOMB-296 - Reference checking in Locator set Reference must be checked while removing to prevent dead references Change-Id: I37cb426f73a3fa64d4e6795062d8d7affc0cbb2b Signed-off-by: Jan Srnicek --- .../common/translate/util/ReferenceCheck.java | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ReferenceCheck.java (limited to 'vpp-common/vpp-translate-utils/src') diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ReferenceCheck.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ReferenceCheck.java new file mode 100644 index 000000000..847f28aed --- /dev/null +++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/ReferenceCheck.java @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * 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 io.fd.hc2vpp.common.translate.util; + +import static com.google.common.base.Preconditions.checkState; + +import java.util.Collection; +import javax.annotation.Nonnull; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Checks references exist, and throws if present + */ +public interface ReferenceCheck { + + /** + * Checks if references are present, and throw if so + * + * @throws IllegalStateException if any references present + */ + default void checkReferenceExist(@Nonnull final InstanceIdentifier locSetId, + final Collection references) { + checkState(references == null || references.isEmpty(), "%s is referenced in %s", locSetId, references); + } +} -- cgit 1.2.3-korg