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A general programming library in Java/Android. It's easy to learn and simple to use with concise and powerful APIs.
There is a newer version: 2.1.12
/*
 * Copyright (C) 2015 HaiYang Li
 *
 * 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 com.landawn.abacus.condition;

import static com.landawn.abacus.util.WD.COMMA_SPACE;
import static com.landawn.abacus.util.WD._SPACE;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import com.landawn.abacus.condition.ConditionFactory.CF;
import com.landawn.abacus.util.ClassUtil;
import com.landawn.abacus.util.N;
import com.landawn.abacus.util.NamingPolicy;
import com.landawn.abacus.util.Objectory;
import com.landawn.abacus.util.WD;

/**
 * The Class SubQuery.
 *
 * @author Haiyang Li
 * @since 0.8
 */
public class SubQuery extends AbstractCondition {

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = -2791944344613082244L;

    // For Kryo
    final String entityName;

    // For Kryo
    final Class entityClass;

    /** The prop names. */
    private Collection propNames;

    /** The sql. */
    // For Kryo
    final String sql;

    /**
     * Field condition.
     */
    private Condition condition;

    /**
     * Instantiates a new sub query.
     */
    // For Kryo
    SubQuery() {
        entityName = null;
        entityClass = null;
        sql = null;
    }

    /**
     * Instantiates a new sub query.
     *
     * @param entityName
     * @param sql
     */
    public SubQuery(String entityName, String sql) {
        super(Operator.EMPTY);
        this.entityName = entityName;
        this.entityClass = null;

        if (N.isNullOrEmpty(sql)) {
            throw new IllegalArgumentException("The sql script can't be null or empty.");
        }

        this.propNames = null;
        this.condition = null;
        this.sql = sql;
    }

    public SubQuery(String entityName, Collection propNames, Condition condition) {
        super(Operator.EMPTY);
        this.entityName = entityName;
        this.entityClass = null;
        this.propNames = propNames;
        if (condition == null || CriteriaUtil.isClause(condition) || condition instanceof Expression) {
            this.condition = condition;
        } else {
            this.condition = CF.where(condition);
        }

        this.sql = null;
    }

    public SubQuery(Class entityClass, Collection propNames, Condition condition) {
        super(Operator.EMPTY);
        this.entityName = ClassUtil.getSimpleClassName(entityClass);
        this.entityClass = entityClass;
        this.propNames = propNames;
        if (condition == null || CriteriaUtil.isClause(condition) || condition instanceof Expression) {
            this.condition = condition;
        } else {
            this.condition = CF.where(condition);
        }

        this.sql = null;
    }

    /**
     * Gets the sql.
     *
     * @return
     */
    public String getSql() {
        return sql;
    }

    public String getEntityName() {
        return entityName;
    }

    public Class getEntityClass() {
        return entityClass;
    }

    /**
     * Gets the select prop names.
     *
     * @return
     */
    public Collection getSelectPropNames() {
        return propNames;
    }

    /**
     * Gets the condition.
     *
     * @return
     */
    public Condition getCondition() {
        return condition;
    }

    /**
     * Gets the parameters.
     *
     * @return
     */
    @SuppressWarnings("unchecked")
    @Override
    public List