org.dbflute.cbean.sqlclause.query.OrScopeQueryReflector Maven / Gradle / Ivy

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/*
 * Copyright 2014-2020 the original author or authors.
 *
 * Licensed 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.dbflute.cbean.sqlclause.query;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.dbflute.cbean.sqlclause.join.LeftOuterJoinInfo;

/**
 * @author jflute
 */
public class OrScopeQueryReflector {

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    protected final List _whereList;
    protected final List _baseTableInlineWhereList;
    protected final Map _outerJoinMap;
    protected final OrScopeQuerySetupper _setupper = new OrScopeQuerySetupper();

    // ===================================================================================
    //                                                                         Constructor
    //                                                                         ===========
    public OrScopeQueryReflector(List whereList, List baseTableInlineWhereList,
            Map outerJoinMap) {
        _whereList = whereList;
        _baseTableInlineWhereList = baseTableInlineWhereList;
        _outerJoinMap = outerJoinMap;
    }

    // ===================================================================================
    //                                                                             Reflect
    //                                                                             =======
    public void reflectTmpOrClauseToRealObject(OrScopeQueryInfo localInfo) {
        {
            // to Normal Query (where clause)
            final List groupList = setupTmpOrListList(localInfo, new OrScopeQueryClauseListProvider() {
                public List provide(OrScopeQueryInfo tmpOrScopeQueryInfo) {
                    return tmpOrScopeQueryInfo.getTmpOrWhereList();
                }
            });
            setupOrScopeQuery(groupList, _whereList, true);
        }
        {
            // to InlineView for baseTable
            final List groupList = setupTmpOrListList(localInfo, new OrScopeQueryClauseListProvider() {
                public List provide(OrScopeQueryInfo tmpOrScopeQueryInfo) {
                    return tmpOrScopeQueryInfo.getTmpOrBaseTableInlineWhereList();
                }
            });
            setupOrScopeQuery(groupList, _baseTableInlineWhereList, false);
        }
        {
            // to OnClause
            final Set> entrySet = _outerJoinMap.entrySet();
            for (Entry entry : entrySet) {
                final String aliasName = entry.getKey();
                final LeftOuterJoinInfo joinInfo = entry.getValue();
                final List groupList = new ArrayList();
                groupList.addAll(setupTmpOrListList(localInfo, new OrScopeQueryClauseListProvider() {
                    public List provide(OrScopeQueryInfo tmpOrScopeQueryInfo) {
                        return tmpOrScopeQueryInfo.getTmpOrAdditionalOnClauseList(aliasName);
                    }
                }));
                setupOrScopeQuery(groupList, joinInfo.getAdditionalOnClauseList(), false);
            }
        }
        {
            // to InlineView for relation
            final Set> entrySet = _outerJoinMap.entrySet();
            for (Entry entry : entrySet) {
                final String aliasName = entry.getKey();
                final LeftOuterJoinInfo joinInfo = entry.getValue();
                final List groupList = new ArrayList();
                groupList.addAll(setupTmpOrListList(localInfo, new OrScopeQueryClauseListProvider() {
                    public List provide(OrScopeQueryInfo tmpOrScopeQueryInfo) {
                        return tmpOrScopeQueryInfo.getTmpOrOuterJoinInlineClauseList(aliasName);
                    }
                }));
                setupOrScopeQuery(groupList, joinInfo.getInlineWhereClauseList(), false);
            }
        }
    }

    protected List setupTmpOrListList(OrScopeQueryInfo parentInfo, OrScopeQueryClauseListProvider provider) {
        final List resultList = new ArrayList();
        final OrScopeQueryClauseGroup groupInfo = new OrScopeQueryClauseGroup();
        groupInfo.setOrClauseList(provider.provide(parentInfo));
        resultList.add(groupInfo);
        if (parentInfo.hasChildInfo()) {
            for (OrScopeQueryInfo childInfo : parentInfo.getChildInfoList()) {
                resultList.addAll(setupTmpOrListList(childInfo, provider)); // recursive call
            }
        }
        return resultList;
    }

    protected void setupOrScopeQuery(List clauseGroupList, List realList, boolean line) {
        _setupper.setupOrScopeQuery(clauseGroupList, realList, line);
    }
}