org.apache.shardingsphere.infra.parser.cache.SQLStatementCacheBuilder Maven / Gradle / Ivy
/*
* 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.shardingsphere.infra.parser.cache;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.apache.shardingsphere.sql.parser.api.CacheOption;
import org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement;
/**
* SQL statement cache builder.
*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class SQLStatementCacheBuilder {
/**
* Build SQL statement cache.
*
* @param sqlStatementCacheOption SQL statement cache option
* @param parseTreeCacheOption parse tree cache option
* @param isParseComment is parse comment
* @param databaseType database type
* @return built SQL statement cache
*/
public static LoadingCache build(final String databaseType,
final CacheOption sqlStatementCacheOption, final CacheOption parseTreeCacheOption, final boolean isParseComment) {
return Caffeine.newBuilder().softValues().initialCapacity(sqlStatementCacheOption.getInitialCapacity()).maximumSize(sqlStatementCacheOption.getMaximumSize())
.build(new SQLStatementCacheLoader(databaseType, parseTreeCacheOption, isParseComment));
}
}
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