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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cassandra.config;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.HashMap;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.cql3.QueryProcessor;
import org.apache.cassandra.cql3.UntypedResultSet;
import org.apache.cassandra.db.*;
import org.apache.cassandra.db.marshal.AsciiType;
import org.apache.cassandra.db.marshal.UTF8Type;
import org.apache.cassandra.io.compress.*;
import org.apache.cassandra.service.StorageService;
import org.apache.cassandra.thrift.CfDef;
import org.apache.cassandra.thrift.ColumnDef;
import org.apache.cassandra.thrift.IndexType;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class CFMetaDataTest extends SchemaLoader
{
private static String KEYSPACE = "Keyspace1";
private static String COLUMN_FAMILY = "Standard1";
private static List<ColumnDef> columnDefs = new ArrayList<ColumnDef>();
static
{
columnDefs.add(new ColumnDef(ByteBufferUtil.bytes("col1"), AsciiType.class.getCanonicalName())
.setIndex_name("col1Index")
.setIndex_type(IndexType.KEYS));
columnDefs.add(new ColumnDef(ByteBufferUtil.bytes("col2"), UTF8Type.class.getCanonicalName())
.setIndex_name("col2Index")
.setIndex_type(IndexType.KEYS));
}
@Test
public void testThriftConversion() throws Exception
{
CfDef cfDef = new CfDef().setDefault_validation_class(AsciiType.class.getCanonicalName())
.setComment("Test comment")
.setColumn_metadata(columnDefs)
.setKeyspace(KEYSPACE)
.setName(COLUMN_FAMILY);
// convert Thrift to CFMetaData
CFMetaData cfMetaData = CFMetaData.fromThrift(cfDef);
CfDef thriftCfDef = new CfDef();
thriftCfDef.keyspace = KEYSPACE;
thriftCfDef.name = COLUMN_FAMILY;
thriftCfDef.default_validation_class = cfDef.default_validation_class;
thriftCfDef.comment = cfDef.comment;
thriftCfDef.column_metadata = new ArrayList<ColumnDef>();
for (ColumnDef columnDef : columnDefs)
{
ColumnDef c = new ColumnDef();
c.name = ByteBufferUtil.clone(columnDef.name);
c.validation_class = columnDef.getValidation_class();
c.index_name = columnDef.getIndex_name();
c.index_type = IndexType.KEYS;
thriftCfDef.column_metadata.add(c);
}
CfDef converted = cfMetaData.toThrift();
assertEquals(thriftCfDef.keyspace, converted.keyspace);
assertEquals(thriftCfDef.name, converted.name);
assertEquals(thriftCfDef.default_validation_class, converted.default_validation_class);
assertEquals(thriftCfDef.comment, converted.comment);
assertEquals(thriftCfDef.column_metadata, converted.column_metadata);
}
@Test
public void testConversionsInverses() throws Exception
{
for (String keyspaceName : Schema.instance.getNonSystemKeyspaces())
{
for (ColumnFamilyStore cfs : Keyspace.open(keyspaceName).getColumnFamilyStores())
{
CFMetaData cfm = cfs.metadata;
checkInverses(cfm);
// Testing with compression to catch #3558
CFMetaData withCompression = CFMetaData.rename(cfm, cfm.cfName); // basically a clone
withCompression.compressionParameters(new CompressionParameters(SnappyCompressor.instance, 32768, new HashMap<String, String>()));
checkInverses(withCompression);
}
}
}
private static CFMetaData withoutThriftIncompatible(CFMetaData cfm)
{
CFMetaData result = cfm.clone();
// This is a nasty hack to work around the fact that in thrift we exposes:
// - neither definition with a non-nulll componentIndex
// - nor non REGULAR definitions.
Iterator<ColumnDefinition> iter = result.allColumns().iterator();
while (iter.hasNext())
{
ColumnDefinition def = iter.next();
// Remove what we know is not thrift compatible
if (!def.isThriftCompatible())
iter.remove();
}
return result;
}
private void checkInverses(CFMetaData cfm) throws Exception
{
DecoratedKey k = StorageService.getPartitioner().decorateKey(ByteBufferUtil.bytes(cfm.ksName));
// Test thrift conversion
CFMetaData before = withoutThriftIncompatible(cfm);
CFMetaData after = withoutThriftIncompatible(CFMetaData.fromThrift(before.toThrift()));
assert before.equals(after) : String.format("\n%s\n!=\n%s", before, after);
// Test schema conversion
RowMutation rm = cfm.toSchema(System.currentTimeMillis());
ColumnFamily serializedCf = rm.getColumnFamily(Schema.instance.getId(Keyspace.SYSTEM_KS, SystemKeyspace.SCHEMA_COLUMNFAMILIES_CF));
ColumnFamily serializedCD = rm.getColumnFamily(Schema.instance.getId(Keyspace.SYSTEM_KS, SystemKeyspace.SCHEMA_COLUMNS_CF));
UntypedResultSet.Row result = QueryProcessor.resultify("SELECT * FROM system.schema_columnfamilies", new Row(k, serializedCf)).one();
CFMetaData newCfm = CFMetaData.addColumnDefinitionSchema(CFMetaData.fromSchemaNoColumns(result), new Row(k, serializedCD));
assert cfm.equals(newCfm) : String.format("\n%s\n!=\n%s", cfm, newCfm);
}
}