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* 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
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* Unless required by applicable law or agreed to in writing, software
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package org.apache.cassandra.triggers;
import java.util.*;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.Util;
import org.apache.cassandra.schema.TableMetadata;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.*;
import org.apache.cassandra.db.rows.*;
import org.apache.cassandra.db.marshal.UTF8Type;
import org.apache.cassandra.db.partitions.Partition;
import org.apache.cassandra.db.partitions.PartitionUpdate;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.exceptions.InvalidRequestException;
import org.apache.cassandra.schema.TriggerMetadata;
import org.apache.cassandra.schema.Triggers;
import org.apache.cassandra.utils.FBUtilities;
import static org.apache.cassandra.utils.ByteBufferUtil.bytes;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class TriggerExecutorTest
{
@BeforeClass
public static void setupDD()
{
DatabaseDescriptor.daemonInitialization();
}
@Test
public void sameKeySameCfColumnFamilies() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", SameKeySameCfTrigger.class.getName()));
PartitionUpdate mutated = TriggerExecutor.instance.execute(makeCf(metadata, "k1", "v1", null));
try (RowIterator rowIterator = UnfilteredRowIterators.filter(mutated.unfilteredIterator(),
FBUtilities.nowInSeconds()))
{
Iterator<Cell> cells = rowIterator.next().cells().iterator();
assertEquals(bytes("trigger"), cells.next().value());
assertTrue(!rowIterator.hasNext());
}
}
@Test(expected = InvalidRequestException.class)
public void sameKeyDifferentCfColumnFamilies() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", SameKeyDifferentCfTrigger.class.getName()));
TriggerExecutor.instance.execute(makeCf(metadata, "k1", "v1", null));
}
@Test(expected = InvalidRequestException.class)
public void differentKeyColumnFamilies() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", DifferentKeyTrigger.class.getName()));
TriggerExecutor.instance.execute(makeCf(metadata, "k1", "v1", null));
}
@Test
public void noTriggerMutations() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", NoOpTrigger.class.getName()));
Mutation rm = new Mutation(makeCf(metadata, "k1", "v1", null));
assertNull(TriggerExecutor.instance.execute(Collections.singletonList(rm)));
}
@Test
public void sameKeySameCfRowMutations() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", SameKeySameCfTrigger.class.getName()));
PartitionUpdate cf1 = makeCf(metadata, "k1", "k1v1", null);
PartitionUpdate cf2 = makeCf(metadata, "k2", "k2v1", null);
Mutation rm1 = new Mutation("ks1", cf1.partitionKey()).add(cf1);
Mutation rm2 = new Mutation("ks1", cf2.partitionKey()).add(cf2);
List<? extends IMutation> tmutations = new ArrayList<>(TriggerExecutor.instance.execute(Arrays.asList(rm1, rm2)));
assertEquals(2, tmutations.size());
Collections.sort(tmutations, new RmComparator());
List<PartitionUpdate> mutatedCFs = new ArrayList<>(tmutations.get(0).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
Row row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("k1v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
mutatedCFs = new ArrayList<>(tmutations.get(1).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("k2v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
}
@Test
public void sameKeySameCfPartialRowMutations() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", SameKeySameCfPartialTrigger.class.getName()));
PartitionUpdate cf1 = makeCf(metadata, "k1", "k1v1", null);
PartitionUpdate cf2 = makeCf(metadata, "k2", "k2v1", null);
Mutation rm1 = new Mutation("ks1", cf1.partitionKey()).add(cf1);
Mutation rm2 = new Mutation("ks1", cf2.partitionKey()).add(cf2);
List<? extends IMutation> tmutations = new ArrayList<>(TriggerExecutor.instance.execute(Arrays.asList(rm1, rm2)));
assertEquals(2, tmutations.size());
Collections.sort(tmutations, new RmComparator());
List<PartitionUpdate> mutatedCFs = new ArrayList<>(tmutations.get(0).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
Row row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("k1v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c2"))));
mutatedCFs = new ArrayList<>(tmutations.get(1).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("k2v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
}
@Test
public void sameKeyDifferentCfRowMutations() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", SameKeyDifferentCfTrigger.class.getName()));
PartitionUpdate cf1 = makeCf(metadata, "k1", "k1v1", null);
PartitionUpdate cf2 = makeCf(metadata, "k2", "k2v1", null);
Mutation rm1 = new Mutation("ks1", cf1.partitionKey()).add(cf1);
Mutation rm2 = new Mutation("ks1", cf2.partitionKey()).add(cf2);
List<? extends IMutation> tmutations = new ArrayList<>(TriggerExecutor.instance.execute(Arrays.asList(rm1, rm2)));
assertEquals(2, tmutations.size());
Collections.sort(tmutations, new RmComparator());
List<PartitionUpdate> mutatedCFs = new ArrayList<>(tmutations.get(0).getPartitionUpdates());
assertEquals(2, mutatedCFs.size());
for (PartitionUpdate update : mutatedCFs)
{
if (update.metadata().name.equals("cf1"))
{
Row row = update.iterator().next();
assertEquals(bytes("k1v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c2"))));
}
else
{
Row row = update.iterator().next();
assertNull(row.getCell(metadata.getColumn(bytes("c1"))));
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
}
}
mutatedCFs = new ArrayList<>(tmutations.get(1).getPartitionUpdates());
assertEquals(2, mutatedCFs.size());
for (PartitionUpdate update : mutatedCFs)
{
if (update.metadata().name.equals("cf1"))
{
Row row = update.iterator().next();
assertEquals(bytes("k2v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c2"))));
}
else
{
Row row = update.iterator().next();
assertNull(row.getCell(metadata.getColumn(bytes("c1"))));
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
}
}
}
@Test
public void sameKeyDifferentKsRowMutations() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", SameKeyDifferentKsTrigger.class.getName()));
PartitionUpdate cf1 = makeCf(metadata, "k1", "k1v1", null);
PartitionUpdate cf2 = makeCf(metadata, "k2", "k2v1", null);
Mutation rm1 = new Mutation("ks1", cf1.partitionKey()).add(cf1);
Mutation rm2 = new Mutation("ks1", cf2.partitionKey()).add(cf2);
List<? extends IMutation> tmutations = new ArrayList<>(TriggerExecutor.instance.execute(Arrays.asList(rm1, rm2)));
assertEquals(4, tmutations.size());
Collections.sort(tmutations, new RmComparator());
List<PartitionUpdate> mutatedCFs = new ArrayList<>(tmutations.get(0).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
Row row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("k1v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c2"))));
mutatedCFs = new ArrayList<>(tmutations.get(1).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("k2v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c2"))));
mutatedCFs = new ArrayList<>(tmutations.get(2).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
row = mutatedCFs.get(0).iterator().next();
assertNull(row.getCell(metadata.getColumn(bytes("c1"))));
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
mutatedCFs = new ArrayList<>(tmutations.get(3).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
row = mutatedCFs.get(0).iterator().next();
assertNull(row.getCell(metadata.getColumn(bytes("c1"))));
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
}
@Test
public void differentKeyRowMutations() throws ConfigurationException, InvalidRequestException
{
TableMetadata metadata = makeTableMetadata("ks1", "cf1", TriggerMetadata.create("test", DifferentKeyTrigger.class.getName()));
PartitionUpdate cf1 = makeCf(metadata, "k1", "v1", null);
Mutation rm = new Mutation("ks1", cf1.partitionKey()).add(cf1);
List<? extends IMutation> tmutations = new ArrayList<>(TriggerExecutor.instance.execute(Arrays.asList(rm)));
assertEquals(2, tmutations.size());
Collections.sort(tmutations, new RmComparator());
assertEquals(bytes("k1"), tmutations.get(0).key().getKey());
assertEquals(bytes("otherKey"), tmutations.get(1).key().getKey());
List<PartitionUpdate> mutatedCFs = new ArrayList<>(tmutations.get(0).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
Row row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("v1"), row.getCell(metadata.getColumn(bytes("c1"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c2"))));
mutatedCFs = new ArrayList<>(tmutations.get(1).getPartitionUpdates());
assertEquals(1, mutatedCFs.size());
row = mutatedCFs.get(0).iterator().next();
assertEquals(bytes("trigger"), row.getCell(metadata.getColumn(bytes("c2"))).value());
assertNull(row.getCell(metadata.getColumn(bytes("c1"))));
}
private static TableMetadata makeTableMetadata(String ks, String cf, TriggerMetadata trigger)
{
TableMetadata.Builder builder =
TableMetadata.builder(ks, cf)
.addPartitionKeyColumn("pkey", UTF8Type.instance)
.addRegularColumn("c1", UTF8Type.instance)
.addRegularColumn("c2", UTF8Type.instance);
if (trigger != null)
builder.triggers(Triggers.of(trigger));
return builder.build();
}
private static PartitionUpdate makeCf(TableMetadata metadata, String key, String columnValue1, String columnValue2)
{
Row.Builder builder = BTreeRow.unsortedBuilder(FBUtilities.nowInSeconds());
builder.newRow(Clustering.EMPTY);
long ts = FBUtilities.timestampMicros();
if (columnValue1 != null)
builder.addCell(BufferCell.live(metadata.getColumn(bytes("c1")), ts, bytes(columnValue1)));
if (columnValue2 != null)
builder.addCell(BufferCell.live(metadata.getColumn(bytes("c2")), ts, bytes(columnValue2)));
return PartitionUpdate.singleRowUpdate(metadata, Util.dk(key), builder.build());
}
public static class NoOpTrigger implements ITrigger
{
public Collection<Mutation> augment(Partition partition)
{
return null;
}
}
public static class SameKeySameCfTrigger implements ITrigger
{
public Collection<Mutation> augment(Partition partition)
{
RowUpdateBuilder builder = new RowUpdateBuilder(partition.metadata(), FBUtilities.timestampMicros(), partition.partitionKey().getKey());
builder.add("c2", bytes("trigger"));
return Collections.singletonList(builder.build());
}
}
public static class SameKeySameCfPartialTrigger implements ITrigger
{
public Collection<Mutation> augment(Partition partition)
{
if (!partition.partitionKey().getKey().equals(bytes("k2")))
return null;
RowUpdateBuilder builder = new RowUpdateBuilder(partition.metadata(), FBUtilities.timestampMicros(), partition.partitionKey().getKey());
builder.add("c2", bytes("trigger"));
return Collections.singletonList(builder.build());
}
}
public static class SameKeyDifferentCfTrigger implements ITrigger
{
public Collection<Mutation> augment(Partition partition)
{
RowUpdateBuilder builder = new RowUpdateBuilder(makeTableMetadata(partition.metadata().keyspace, "otherCf", null), FBUtilities.timestampMicros(), partition.partitionKey().getKey());
builder.add("c2", bytes("trigger"));
return Collections.singletonList(builder.build());
}
}
public static class SameKeyDifferentKsTrigger implements ITrigger
{
public Collection<Mutation> augment(Partition partition)
{
RowUpdateBuilder builder = new RowUpdateBuilder(makeTableMetadata("otherKs", "otherCf", null), FBUtilities.timestampMicros(), partition.partitionKey().getKey());
builder.add("c2", bytes("trigger"));
return Collections.singletonList(builder.build());
}
}
public static class DifferentKeyTrigger implements ITrigger
{
public Collection<Mutation> augment(Partition partition)
{
RowUpdateBuilder builder = new RowUpdateBuilder(makeTableMetadata("otherKs", "otherCf", null), FBUtilities.timestampMicros(), "otherKey");
builder.add("c2", bytes("trigger"));
return Collections.singletonList(builder.build());
}
}
private static class RmComparator implements Comparator<IMutation>
{
public int compare(IMutation m1, IMutation m2)
{
int cmp = m1.getKeyspaceName().compareTo(m2.getKeyspaceName());
return cmp != 0 ? cmp : m1.key().compareTo(m2.key());
}
}
}