19. DynamicContext

package com.example.aninbatis.sqlsource;
import java.util.HashMap;
import java.util.Map;
/**
 * 作用：存储SqlNode解析过程中产生的sql片段，并完成字符串拼接 存储SqlNode解析过程中需要的入参信息
 */
public class DynamicContext {
    private StringBuilder sb = new StringBuilder();
    private Map<String, Object> bindings = new HashMap<String, Object>();
    public DynamicContext(Object param) {
        bindings.put("_parameter", param);
    }
    public void appendSql(String sql) {
        sb.append(sql);
        sb.append(" ");
    }
    public String getSql() {
        return sb.toString();
    }
    public Map<String, Object> getBindings() {
        return bindings;
    }
}