| /* |
| * 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.cassandra.service.reads.range; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.SchemaLoader; |
| import org.apache.cassandra.db.ConsistencyLevel; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.db.PartitionPosition; |
| import org.apache.cassandra.dht.AbstractBounds; |
| import org.apache.cassandra.dht.Bounds; |
| import org.apache.cassandra.dht.ExcludingBounds; |
| import org.apache.cassandra.dht.IncludingExcludingBounds; |
| import org.apache.cassandra.dht.Range; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.schema.KeyspaceParams; |
| import org.apache.cassandra.schema.SchemaConstants; |
| |
| import static org.apache.cassandra.Util.rp; |
| import static org.apache.cassandra.Util.token; |
| import static org.junit.Assert.assertEquals; |
| |
| public class ReplicaPlanIteratorTest |
| { |
| private static final String KEYSPACE = "ReplicaPlanIteratorTest"; |
| private static Keyspace keyspace; |
| |
| @BeforeClass |
| public static void beforeClass() throws Throwable |
| { |
| SchemaLoader.prepareServer(); |
| SchemaLoader.createKeyspace(KEYSPACE, KeyspaceParams.simple(1)); |
| keyspace = Keyspace.open(KEYSPACE); |
| |
| new TokenUpdater().withKeys(InetAddressAndPort.getByName("127.0.0.1"), "1") |
| .withKeys(InetAddressAndPort.getByName("127.0.0.6"), "6") |
| .update(); |
| } |
| |
| @Test |
| public void testRanges() |
| { |
| // no splits |
| testRanges(range(rp("2"), rp("5")), range(rp("2"), rp("5"))); |
| testRanges(bounds(rp("2"), rp("5")), bounds(rp("2"), rp("5"))); |
| testRanges(exBounds(rp("2"), rp("5")), exBounds(rp("2"), rp("5"))); |
| // single split testGRR(range("2", "7"), range(rp("2"), endOf("6")), range(endOf("6"), rp("7"))); |
| testRanges(bounds(rp("2"), rp("7")), bounds(rp("2"), endOf("6")), range(endOf("6"), rp("7"))); |
| testRanges(exBounds(rp("2"), rp("7")), range(rp("2"), endOf("6")), exBounds(endOf("6"), rp("7"))); |
| testRanges(incExBounds(rp("2"), rp("7")), bounds(rp("2"), endOf("6")), exBounds(endOf("6"), rp("7"))); |
| // single split starting from min |
| testRanges(range(rp(""), rp("2")), range(rp(""), endOf("1")), range(endOf("1"), rp("2"))); |
| testRanges(bounds(rp(""), rp("2")), bounds(rp(""), endOf("1")), range(endOf("1"), rp("2"))); |
| testRanges(exBounds(rp(""), rp("2")), range(rp(""), endOf("1")), exBounds(endOf("1"), rp("2"))); |
| testRanges(incExBounds(rp(""), rp("2")), bounds(rp(""), endOf("1")), exBounds(endOf("1"), rp("2"))); |
| // single split ending with max |
| testRanges(range(rp("5"), rp("")), range(rp("5"), endOf("6")), range(endOf("6"), rp(""))); |
| testRanges(bounds(rp("5"), rp("")), bounds(rp("5"), endOf("6")), range(endOf("6"), rp(""))); |
| testRanges(exBounds(rp("5"), rp("")), range(rp("5"), endOf("6")), exBounds(endOf("6"), rp(""))); |
| testRanges(incExBounds(rp("5"), rp("")), bounds(rp("5"), endOf("6")), exBounds(endOf("6"), rp(""))); |
| // two splits |
| testRanges(range(rp("0"), rp("7")), range(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("7"))); |
| testRanges(bounds(rp("0"), rp("7")), bounds(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("7"))); |
| testRanges(exBounds(rp("0"), rp("7")), range(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp("7"))); |
| testRanges(incExBounds(rp("0"), rp("7")), bounds(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp("7"))); |
| } |
| |
| @Test |
| public void testExact() |
| { |
| // min |
| testRanges(range(endOf("1"), endOf("5")), range(endOf("1"), endOf("5"))); |
| testRanges(range(rp("1"), endOf("5")), range(rp("1"), endOf("1")), range(endOf("1"), endOf("5"))); |
| testRanges(bounds(startOf("1"), endOf("5")), bounds(startOf("1"), endOf("1")), range(endOf("1"), endOf("5"))); |
| testRanges(exBounds(endOf("1"), rp("5")), exBounds(endOf("1"), rp("5"))); |
| testRanges(exBounds(rp("1"), rp("5")), range(rp("1"), endOf("1")), exBounds(endOf("1"), rp("5"))); |
| testRanges(exBounds(startOf("1"), endOf("5")), range(startOf("1"), endOf("1")), exBounds(endOf("1"), endOf("5"))); |
| testRanges(incExBounds(rp("1"), rp("5")), bounds(rp("1"), endOf("1")), exBounds(endOf("1"), rp("5"))); |
| // max |
| testRanges(range(endOf("2"), endOf("6")), range(endOf("2"), endOf("6"))); |
| testRanges(bounds(startOf("2"), endOf("6")), bounds(startOf("2"), endOf("6"))); |
| testRanges(exBounds(rp("2"), rp("6")), exBounds(rp("2"), rp("6"))); |
| testRanges(incExBounds(rp("2"), rp("6")), incExBounds(rp("2"), rp("6"))); |
| // bothKeys |
| testRanges(range(rp("1"), rp("6")), range(rp("1"), endOf("1")), range(endOf("1"), rp("6"))); |
| testRanges(bounds(rp("1"), rp("6")), bounds(rp("1"), endOf("1")), range(endOf("1"), rp("6"))); |
| testRanges(exBounds(rp("1"), rp("6")), range(rp("1"), endOf("1")), exBounds(endOf("1"), rp("6"))); |
| testRanges(incExBounds(rp("1"), rp("6")), bounds(rp("1"), endOf("1")), exBounds(endOf("1"), rp("6"))); |
| } |
| |
| @Test |
| public void testWrapped() |
| { |
| // one token in wrapped range |
| testRanges(range(rp("7"), rp("0")), range(rp("7"), rp("")), range(rp(""), rp("0"))); |
| // two tokens in wrapped range |
| testRanges(range(rp("5"), rp("0")), range(rp("5"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), rp("0"))); |
| testRanges(range(rp("7"), rp("2")), range(rp("7"), rp("")), range(rp(""), endOf("1")), range(endOf("1"), rp("2"))); |
| // full wraps |
| testRanges(range(rp("0"), rp("0")), range(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), rp("0"))); |
| testRanges(range(rp(""), rp("")), range(rp(""), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp(""))); |
| // wrap on member tokens |
| testRanges(range(rp("6"), rp("6")), range(rp("6"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), endOf("1")), range(endOf("1"), rp("6"))); |
| testRanges(range(rp("6"), rp("1")), range(rp("6"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), rp("1"))); |
| // end wrapped |
| testRanges(range(rp("5"), rp("")), range(rp("5"), endOf("6")), range(endOf("6"), rp(""))); |
| } |
| |
| @Test |
| public void testExactBounds() |
| { |
| // equal tokens are special cased as non-wrapping for bounds |
| testRanges(bounds(rp("0"), rp("0")), bounds(rp("0"), rp("0"))); |
| // completely empty bounds match everything |
| testRanges(bounds(rp(""), rp("")), bounds(rp(""), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp(""))); |
| testRanges(exBounds(rp(""), rp("")), range(rp(""), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp(""))); |
| testRanges(incExBounds(rp(""), rp("")), bounds(rp(""), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp(""))); |
| } |
| |
| @Test |
| public void testLocalReplicationStrategy() |
| { |
| Keyspace systemKeyspace = Keyspace.open(SchemaConstants.SYSTEM_KEYSPACE_NAME); |
| |
| // ranges that would produce multiple splits with not-local strategy, but not with local strategy |
| testRanges(systemKeyspace, range(rp("0"), rp("7")), range(rp("0"), rp("7"))); |
| testRanges(systemKeyspace, bounds(rp("0"), rp("7")), bounds(rp("0"), rp("7"))); |
| testRanges(systemKeyspace, exBounds(rp("0"), rp("7")), exBounds(rp("0"), rp("7"))); |
| testRanges(systemKeyspace, incExBounds(rp("0"), rp("7")), incExBounds(rp("0"), rp("7"))); |
| |
| // wrapping ranges that should be unwrapped but not further splitted |
| testRanges(systemKeyspace, range(rp("7"), rp("0")), range(rp("7"), rp("")), range(rp(""), rp("0"))); |
| testRanges(systemKeyspace, range(rp("7"), rp("2")), range(rp("7"), rp("")), range(rp(""), rp("2"))); |
| } |
| |
| @SafeVarargs |
| private final void testRanges(AbstractBounds<PartitionPosition> queryRange, AbstractBounds<PartitionPosition>... expected) |
| { |
| testRanges(keyspace, queryRange, expected); |
| } |
| |
| @SafeVarargs |
| private final void testRanges(Keyspace keyspace, AbstractBounds<PartitionPosition> queryRange, AbstractBounds<PartitionPosition>... expected) |
| { |
| try (ReplicaPlanIterator iterator = new ReplicaPlanIterator(queryRange, keyspace, ConsistencyLevel.ANY)) |
| { |
| List<AbstractBounds<PartitionPosition>> restrictedRanges = new ArrayList<>(expected.length); |
| while (iterator.hasNext()) |
| restrictedRanges.add(iterator.next().range()); |
| |
| // verify range counts |
| assertEquals(expected.length, restrictedRanges.size()); |
| assertEquals(expected.length, iterator.size()); |
| |
| // verify the ranges |
| for (int i = 0; i < expected.length; i++) |
| assertEquals("Mismatch for index " + i + ": " + restrictedRanges, expected[i], restrictedRanges.get(i)); |
| } |
| } |
| |
| private static Range<PartitionPosition> range(PartitionPosition left, PartitionPosition right) |
| { |
| return new Range<>(left, right); |
| } |
| |
| private static Bounds<PartitionPosition> bounds(PartitionPosition left, PartitionPosition right) |
| { |
| return new Bounds<>(left, right); |
| } |
| |
| private static ExcludingBounds<PartitionPosition> exBounds(PartitionPosition left, PartitionPosition right) |
| { |
| return new ExcludingBounds<>(left, right); |
| } |
| |
| private static IncludingExcludingBounds<PartitionPosition> incExBounds(PartitionPosition left, PartitionPosition right) |
| { |
| return new IncludingExcludingBounds<>(left, right); |
| } |
| |
| private static PartitionPosition startOf(String key) |
| { |
| return token(key).minKeyBound(); |
| } |
| |
| private static PartitionPosition endOf(String key) |
| { |
| return token(key).maxKeyBound(); |
| } |
| } |
