infra/merge/src/main/java/org/apache/shardingsphere/infra/merge/engine/decorator/ResultDecoratorEngine.java

/*
 * 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.merge.engine.decorator;

import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
import org.apache.shardingsphere.infra.config.props.ConfigurationProperties;
import org.apache.shardingsphere.infra.merge.engine.ResultProcessEngine;
import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
import org.apache.shardingsphere.infra.metadata.database.rule.RuleMetaData;
import org.apache.shardingsphere.infra.rule.ShardingSphereRule;

import java.util.Optional;

/**
 * Result decorator engine.
 *
 * @param <T> type of rule
 */
public interface ResultDecoratorEngine<T extends ShardingSphereRule> extends ResultProcessEngine<T> {
    
    /**
     * Create new instance of result decorator.
     *
     * @param globalRuleMetaData global rule meta data
     * @param database database
     * @param rule rule
     * @param props configuration properties
     * @param sqlStatementContext SQL statement context
     * @return created instance
     */
    Optional<ResultDecorator<T>> newInstance(RuleMetaData globalRuleMetaData, ShardingSphereDatabase database, T rule, ConfigurationProperties props, SQLStatementContext sqlStatementContext);
}