dlmarion commented on code in PR #5587: URL: https://github.com/apache/accumulo/pull/5587#discussion_r2123664955
########## server/base/src/main/java/org/apache/accumulo/server/iterators/SystemIteratorEnvironmentImpl.java: ########## @@ -0,0 +1,158 @@ +/* + * 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 + * + * https://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.accumulo.server.iterators; + +import java.util.ArrayList; +import java.util.Optional; + +import org.apache.accumulo.core.client.AccumuloClient; +import org.apache.accumulo.core.client.SampleNotPresentException; +import org.apache.accumulo.core.client.sample.SamplerConfiguration; +import org.apache.accumulo.core.data.Key; +import org.apache.accumulo.core.data.Value; +import org.apache.accumulo.core.iterators.IteratorEnvironment; +import org.apache.accumulo.core.iterators.IteratorUtil.IteratorScope; +import org.apache.accumulo.core.iterators.SortedKeyValueIterator; +import org.apache.accumulo.core.iteratorsImpl.ClientIteratorEnvironment; +import org.apache.accumulo.core.iteratorsImpl.system.MultiIterator; +import org.apache.accumulo.core.sample.impl.SamplerConfigurationImpl; +import org.apache.accumulo.server.ServerContext; +import org.apache.accumulo.server.ServiceEnvironmentImpl; + +/** + * IteratorEnvironment used on the server side that has a little different handling for Sampling and + * provides access to the ServerContext and top level iterators. + */ +public class SystemIteratorEnvironmentImpl extends ClientIteratorEnvironment + implements SystemIteratorEnvironment { + + public static class Builder extends ClientIteratorEnvironment.Builder { + + private final ServerContext ctx; + private ArrayList<SortedKeyValueIterator<Key,Value>> topLevelIterators = new ArrayList<>(); + + public Builder(ServerContext ctx) { + this.ctx = ctx; + this.env = Optional.of(new ServiceEnvironmentImpl(ctx)); + } + + public Builder + withTopLevelIterators(ArrayList<SortedKeyValueIterator<Key,Value>> topLevelIterators) { + this.topLevelIterators = topLevelIterators; + return this; + } + + @Override + public Builder withClient(AccumuloClient client) { + // Does nothing, this was set in constructor + return this; + } + + @Override + public SystemIteratorEnvironmentImpl build() { + return new SystemIteratorEnvironmentImpl(this); + } + + } + + private final ServerContext ctx; + private final ArrayList<SortedKeyValueIterator<Key,Value>> topLevelIterators; + + protected SystemIteratorEnvironmentImpl(SystemIteratorEnvironmentImpl.Builder builder) { + super(builder); + this.ctx = builder.ctx; + this.topLevelIterators = builder.topLevelIterators; + } + + private SystemIteratorEnvironmentImpl(SystemIteratorEnvironmentImpl copy) { + super(copy); + this.ctx = copy.ctx; + this.topLevelIterators = copy.topLevelIterators; + } + + @Override + public boolean isFullMajorCompaction() { + if (getIteratorScope() != IteratorScope.majc) { + throw new IllegalStateException( + "Asked about major compaction type when scope is " + getIteratorScope()); + } + return super.isFullMajorCompaction(); + } + + @Override + public boolean isUserCompaction() { + if (getIteratorScope() != IteratorScope.majc) { Review Comment: Ok, I resolved the disparity. In the client context, this throws an exception if the scope is scan. In the server context, this throws an exception if the scope is minc. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: notifications-unsubscr...@accumulo.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
