org.dbflute.bhv.referrer.LoadReferrerOption Maven / Gradle / Ivy

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The runtime library of DBFlute
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/*
 * Copyright 2014-2017 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.bhv.referrer;

import java.util.List;

import org.dbflute.Entity;
import org.dbflute.cbean.ConditionBean;

/**
 * The class of load referrer option. #beforejava8 

 * This option is basically for loading second or more level referrer.
 * @param  The type of referrer condition-bean.
 * @param  The type of referrer entity.
 * @author jflute
 */
public class LoadReferrerOption {

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    protected ReferrerConditionSetupper _referrerConditionSetupper;
    protected ConditionBeanSetupper _conditionBeanSetupper;
    protected EntityListSetupper _entityListSetupper;
    protected REFERRER_CB _referrerConditionBean;

    // ===================================================================================
    //                                                                         Constructor
    //                                                                         ===========
    /**
     * Constructor. 

     * This option is basically for loading second or more level referrer like this:
     *      * // base point table is MEMBER
     * MemberCB cb = new MemberCB();
     * ListResultBean<Member> memberList = memberBhv.selectList(cb);
     * 
     * LoadReferrerOption option = new LoadReferrerOption();
     * 
     * // PURCHASE (first level referrer from MEMBER)
     * option.setReferrerConditionSetupper(new ReferrerConditionSetupper<PurchaseCB>() {
     *     public void setup(PurchaseCB cb) {
     *         cb.query().addOrderBy_PurchaseDatetime_Desc();
     *     }
     * });
     * 
     * // PURCHASE_DETAIL (second level referrer from PURCHASE)
     * option.setEntityListSetupper(new EntityListSetupper<Purchase>() {
     *     public void setup(List<Purchase> entityList) {
     *         purchaseBhv.loadPurchaseDetailList(entityList, new ConditionBeanSetupper<PurchaseDetailCB>() {
     *             public void setup(PurchaseDetailCB cb) {
     *                 ...
     *             }
     *         });
     *     }
     * });
     * 
     * memberStatusBhv.loadMemberList(memberList, option);
     * 
     */
    public LoadReferrerOption() {
    }

    public LoadReferrerOption xinit(ReferrerConditionSetupper referrerConditionSetupper) { // internal
        setReferrerConditionSetupper(referrerConditionSetupper);
        return this;
    }

    public LoadReferrerOption xinit(ConditionBeanSetupper conditionBeanSetupper) { // internal
        setConditionBeanSetupper(conditionBeanSetupper);
        return this;
    }

    // ===================================================================================
    //                                                                         Easy-to-Use
    //                                                                         ===========
    public void delegateConditionBeanSettingUp(REFERRER_CB cb) { // internal
        if (_referrerConditionSetupper != null) {
            _referrerConditionSetupper.setup(cb);
        } else if (_conditionBeanSetupper != null) {
            _conditionBeanSetupper.setup(cb);
        }
    }

    public void delegateEntitySettingUp(List entityList) { // internal
        if (_entityListSetupper != null) {
            _entityListSetupper.setup(entityList);
        }
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public ReferrerConditionSetupper getReferrerConditionSetupper() {
        return _conditionBeanSetupper;
    }

    /**
     * Set the set-upper of condition-bean for first level referrer. 

     *      * LoadReferrerOption option = new LoadReferrerOption();
     * 
     * // PURCHASE (first level referrer from MEMBER)
     * option.setReferrerConditionSetupper(new ReferrerConditionSetupper<PurchaseCB>() {
     *     public void setup(PurchaseCB cb) {
     *         cb.query().addOrderBy_PurchaseDatetime_Desc();
     *     }
     * });
     * ...
     * 
     * @param referrerConditionSetupper The set-upper of condition-bean for referrer. (NullAllowed: if null, means no condition for a first level referrer)
     */
    public void setReferrerConditionSetupper(ReferrerConditionSetupper referrerConditionSetupper) {
        _referrerConditionSetupper = referrerConditionSetupper;
    }

    public ConditionBeanSetupper getConditionBeanSetupper() {
        return _conditionBeanSetupper;
    }

    /**
     * Set the set-upper of condition-bean for first level referrer. 

     *      * LoadReferrerOption option = new LoadReferrerOption();
     * 
     * // PURCHASE (first level referrer from MEMBER)
     * option.setConditionBeanSetupper(new ConditionBeanSetupper<PurchaseCB>() {
     *     public void setup(PurchaseCB cb) {
     *         cb.query().addOrderBy_PurchaseDatetime_Desc();
     *     }
     * });
     * ...
     * 
     * @param conditionBeanSetupper The set-upper of condition-bean. (NullAllowed: if null, means no condition for a first level referrer)
     */
    public void setConditionBeanSetupper(ConditionBeanSetupper conditionBeanSetupper) {
        _conditionBeanSetupper = conditionBeanSetupper;
    }

    public EntityListSetupper getEntityListSetupper() {
        return _entityListSetupper;
    }

    /**
     * Set the set-upper of entity list for second or more level referrer. 

     *      * LoadReferrerOption loadReferrerOption = new LoadReferrerOption();
     * ...
     * // PURCHASE (second level referrer)
     * loadReferrerOption.setEntityListSetupper(new EntityListSetupper<Member>() {
     *     public void setup(List<Member> entityList) {
     *         memberBhv.loadPurchaseList(entityList, new ConditionBeanSetupper<PurchaseCB>() {
     *             public void setup(PurchaseCB cb) {
     *                 cb.query().addOrderBy_PurchaseCount_Desc();
     *                 cb.query().addOrderBy_ProductId_Desc();
     *             }
     *         });
     *     }
     * });
     * 
     * @param entityListSetupper The set-upper of entity list. (NullAllowed: if null, means no loading for second level referrer)
     */
    public void setEntityListSetupper(EntityListSetupper entityListSetupper) {
        this._entityListSetupper = entityListSetupper;
    }

    public REFERRER_CB getReferrerConditionBean() {
        return _referrerConditionBean;
    }

    /**
     * Set the original instance of condition-bean for first level referrer. 

     * use this, if you want to set the original instance.
     * @param referrerConditionBean The original instance of condition-bean. (NullAllowed: if null, means normal)
     */
    public void setReferrerConditionBean(REFERRER_CB referrerConditionBean) {
        this._referrerConditionBean = referrerConditionBean;
    }
}