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    • org.tinygroup.tinysqldsl.base.Condition Maven / Gradle / Ivy

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    /**
 * Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 * 
    
 * Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 * 
    
 * 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.tinygroup.tinysqldsl.base;

import org.tinygroup.tinysqldsl.expression.Expression;
import org.tinygroup.tinysqldsl.expression.conditional.AndExpression;
import org.tinygroup.tinysqldsl.expression.conditional.ConditionExpressionList;
import org.tinygroup.tinysqldsl.expression.conditional.OrExpression;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * 条件 Created by luoguo on 2015/3/11.
 */
public class Condition implements Expression {
    /**
     * 表达式
     */
    private Expression expression;

    private List extendParams = new ArrayList();

    public Condition(Expression expression, Object... values) {
        super();
        this.expression = expression;
        Collections.addAll(extendParams, values);
    }

    public static Condition orWithBrackets(Expression... expression) {
        return new Condition(ConditionExpressionList.orExpression(expression));
    }

    public static Condition andWithBrackets(Expression... expression) {
        return new Condition(ConditionExpressionList.andExpression(expression));
    }

    public Condition and(Condition condition) {
        if (condition != null) {
            this.expression = new AndExpression(this.getExpression(), condition);
        }
        return this;
    }

    public Condition or(Condition condition) {
        if (condition != null) {
            this.expression = new OrExpression(this.getExpression(), condition);
        }
        return this;
    }

    public Expression getExpression() {
        return expression;
    }

    public Object[] getValues() {
        return extendParams.toArray();
    }

    public String toString() {
        return expression.toString();
    }

    public void builderExpression(StatementSqlBuilder builder) {
        Expression expression = getExpression();
        builder.addParamValue(extendParams.toArray());//组装参数
        expression.builderExpression(builder);
    }

}
    
    
    
    

    




    
    
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