/*
* 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 gobblin.data.management.retention.test;
import gobblin.data.management.retention.policy.RetentionPolicy;
import gobblin.data.management.version.DatasetVersion;
import gobblin.data.management.version.StringDatasetVersion;
import java.util.Collection;
import java.util.List;
import java.util.Properties;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
/**
* RetentionPolivy that deletes versions containing a particular string token.
*/
public abstract class ContainsStringRetentionPolicy implements RetentionPolicy<StringDatasetVersion> {
public ContainsStringRetentionPolicy(Properties props) {
}
@Override public Class<? extends DatasetVersion> versionClass() {
return StringDatasetVersion.class;
}
@Override public Collection<StringDatasetVersion> listDeletableVersions(List<StringDatasetVersion> allVersions) {
return Lists.newArrayList(Iterables.filter(allVersions, new Predicate<StringDatasetVersion>() {
@Override public boolean apply(StringDatasetVersion input) {
return input.getVersion().contains(getSearchToken());
}
}));
}
protected abstract String getSearchToken();
}