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A fork of the Apache Cassandra Project that uses Lucene indexes for providing near real time search such as ElasticSearch or Solr, including full text search capabilities, multi-dimensional queries, and relevance scoring.
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/*
* 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.cql3.statements;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.cassandra.cache.CachingOptions;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.CFMetaData.SpeculativeRetry;
import org.apache.cassandra.db.compaction.AbstractCompactionStrategy;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.exceptions.SyntaxException;
import org.apache.cassandra.io.compress.CompressionParameters;
public class CFPropDefs extends PropertyDefinitions
{
public static final String KW_COMMENT = "comment";
public static final String KW_READREPAIRCHANCE = "read_repair_chance";
public static final String KW_DCLOCALREADREPAIRCHANCE = "dclocal_read_repair_chance";
public static final String KW_GCGRACESECONDS = "gc_grace_seconds";
public static final String KW_MINCOMPACTIONTHRESHOLD = "min_threshold";
public static final String KW_MAXCOMPACTIONTHRESHOLD = "max_threshold";
public static final String KW_CACHING = "caching";
public static final String KW_DEFAULT_TIME_TO_LIVE = "default_time_to_live";
public static final String KW_MIN_INDEX_INTERVAL = "min_index_interval";
public static final String KW_MAX_INDEX_INTERVAL = "max_index_interval";
public static final String KW_SPECULATIVE_RETRY = "speculative_retry";
public static final String KW_BF_FP_CHANCE = "bloom_filter_fp_chance";
public static final String KW_MEMTABLE_FLUSH_PERIOD = "memtable_flush_period_in_ms";
public static final String KW_COMPACTION = "compaction";
public static final String KW_COMPRESSION = "compression";
public static final String COMPACTION_STRATEGY_CLASS_KEY = "class";
public static final Set keywords = new HashSet<>();
public static final Set obsoleteKeywords = new HashSet<>();
static
{
keywords.add(KW_COMMENT);
keywords.add(KW_READREPAIRCHANCE);
keywords.add(KW_DCLOCALREADREPAIRCHANCE);
keywords.add(KW_GCGRACESECONDS);
keywords.add(KW_CACHING);
keywords.add(KW_DEFAULT_TIME_TO_LIVE);
keywords.add(KW_MIN_INDEX_INTERVAL);
keywords.add(KW_MAX_INDEX_INTERVAL);
keywords.add(KW_SPECULATIVE_RETRY);
keywords.add(KW_BF_FP_CHANCE);
keywords.add(KW_COMPACTION);
keywords.add(KW_COMPRESSION);
keywords.add(KW_MEMTABLE_FLUSH_PERIOD);
obsoleteKeywords.add("index_interval");
obsoleteKeywords.add("replicate_on_write");
obsoleteKeywords.add("populate_io_cache_on_flush");
}
private Class compactionStrategyClass = null;
public void validate() throws ConfigurationException, SyntaxException
{
// Skip validation if the comapction strategy class is already set as it means we've alreayd
// prepared (and redoing it would set strategyClass back to null, which we don't want)
if (compactionStrategyClass != null)
return;
validate(keywords, obsoleteKeywords);
Map compactionOptions = getCompactionOptions();
if (!compactionOptions.isEmpty())
{
String strategy = compactionOptions.get(COMPACTION_STRATEGY_CLASS_KEY);
if (strategy == null)
throw new ConfigurationException("Missing sub-option '" + COMPACTION_STRATEGY_CLASS_KEY + "' for the '" + KW_COMPACTION + "' option.");
compactionStrategyClass = CFMetaData.createCompactionStrategy(strategy);
compactionOptions.remove(COMPACTION_STRATEGY_CLASS_KEY);
CFMetaData.validateCompactionOptions(compactionStrategyClass, compactionOptions);
}
Map compressionOptions = getCompressionOptions();
if (!compressionOptions.isEmpty())
{
String sstableCompressionClass = compressionOptions.get(CompressionParameters.SSTABLE_COMPRESSION);
if (sstableCompressionClass == null)
throw new ConfigurationException("Missing sub-option '" + CompressionParameters.SSTABLE_COMPRESSION + "' for the '" + KW_COMPRESSION + "' option.");
Integer chunkLength = CompressionParameters.DEFAULT_CHUNK_LENGTH;
if (compressionOptions.containsKey(CompressionParameters.CHUNK_LENGTH_KB))
chunkLength = CompressionParameters.parseChunkLength(compressionOptions.get(CompressionParameters.CHUNK_LENGTH_KB));
Map remainingOptions = new HashMap<>(compressionOptions);
remainingOptions.remove(CompressionParameters.SSTABLE_COMPRESSION);
remainingOptions.remove(CompressionParameters.CHUNK_LENGTH_KB);
CompressionParameters cp = new CompressionParameters(sstableCompressionClass, chunkLength, remainingOptions);
cp.validate();
}
validateMinimumInt(KW_DEFAULT_TIME_TO_LIVE, 0, CFMetaData.DEFAULT_DEFAULT_TIME_TO_LIVE);
Integer minIndexInterval = getInt(KW_MIN_INDEX_INTERVAL, null);
Integer maxIndexInterval = getInt(KW_MAX_INDEX_INTERVAL, null);
if (minIndexInterval != null && minIndexInterval < 1)
throw new ConfigurationException(KW_MIN_INDEX_INTERVAL + " must be greater than 0");
if (maxIndexInterval != null && minIndexInterval != null && maxIndexInterval < minIndexInterval)
throw new ConfigurationException(KW_MAX_INDEX_INTERVAL + " must be greater than " + KW_MIN_INDEX_INTERVAL);
SpeculativeRetry.fromString(getString(KW_SPECULATIVE_RETRY, SpeculativeRetry.RetryType.NONE.name()));
}
public Class getCompactionStrategy()
{
return compactionStrategyClass;
}
public Map getCompactionOptions() throws SyntaxException
{
Map compactionOptions = getMap(KW_COMPACTION);
if (compactionOptions == null)
return new HashMap<>();
return compactionOptions;
}
public Map getCompressionOptions() throws SyntaxException
{
Map compressionOptions = getMap(KW_COMPRESSION);
if (compressionOptions == null)
return new HashMap<>();
return compressionOptions;
}
public CachingOptions getCachingOptions() throws SyntaxException, ConfigurationException
{
CachingOptions options = null;
Object val = properties.get(KW_CACHING);
if (val == null)
return null;
else if (val instanceof Map)
options = CachingOptions.fromMap(getMap(KW_CACHING));
else if (val instanceof String) // legacy syntax
{
options = CachingOptions.fromString(getSimple(KW_CACHING));
logger.warn("Setting caching options with deprecated syntax.");
}
return options;
}
public void applyToCFMetadata(CFMetaData cfm) throws ConfigurationException, SyntaxException
{
if (hasProperty(KW_COMMENT))
cfm.comment(getString(KW_COMMENT, ""));
cfm.readRepairChance(getDouble(KW_READREPAIRCHANCE, cfm.getReadRepairChance()));
cfm.dcLocalReadRepairChance(getDouble(KW_DCLOCALREADREPAIRCHANCE, cfm.getDcLocalReadRepair()));
cfm.gcGraceSeconds(getInt(KW_GCGRACESECONDS, cfm.getGcGraceSeconds()));
int minCompactionThreshold = toInt(KW_MINCOMPACTIONTHRESHOLD, getCompactionOptions().get(KW_MINCOMPACTIONTHRESHOLD), cfm.getMinCompactionThreshold());
int maxCompactionThreshold = toInt(KW_MAXCOMPACTIONTHRESHOLD, getCompactionOptions().get(KW_MAXCOMPACTIONTHRESHOLD), cfm.getMaxCompactionThreshold());
if (minCompactionThreshold <= 0 || maxCompactionThreshold <= 0)
throw new ConfigurationException("Disabling compaction by setting compaction thresholds to 0 has been deprecated, set the compaction option 'enabled' to false instead.");
cfm.minCompactionThreshold(minCompactionThreshold);
cfm.maxCompactionThreshold(maxCompactionThreshold);
cfm.defaultTimeToLive(getInt(KW_DEFAULT_TIME_TO_LIVE, cfm.getDefaultTimeToLive()));
cfm.speculativeRetry(CFMetaData.SpeculativeRetry.fromString(getString(KW_SPECULATIVE_RETRY, cfm.getSpeculativeRetry().toString())));
cfm.memtableFlushPeriod(getInt(KW_MEMTABLE_FLUSH_PERIOD, cfm.getMemtableFlushPeriod()));
cfm.minIndexInterval(getInt(KW_MIN_INDEX_INTERVAL, cfm.getMinIndexInterval()));
cfm.maxIndexInterval(getInt(KW_MAX_INDEX_INTERVAL, cfm.getMaxIndexInterval()));
if (compactionStrategyClass != null)
{
cfm.compactionStrategyClass(compactionStrategyClass);
cfm.compactionStrategyOptions(new HashMap<>(getCompactionOptions()));
}
cfm.bloomFilterFpChance(getDouble(KW_BF_FP_CHANCE, cfm.getBloomFilterFpChance()));
if (!getCompressionOptions().isEmpty())
cfm.compressionParameters(CompressionParameters.create(getCompressionOptions()));
CachingOptions cachingOptions = getCachingOptions();
if (cachingOptions != null)
cfm.caching(cachingOptions);
}
@Override
public String toString()
{
return String.format("CFPropDefs(%s)", properties.toString());
}
private void validateMinimumInt(String field, int minimumValue, int defaultValue) throws SyntaxException, ConfigurationException
{
Integer val = getInt(field, null);
if (val != null && val < minimumValue)
throw new ConfigurationException(String.format("%s cannot be smaller than %s, (default %s)",
field, minimumValue, defaultValue));
}
}