com.haulmont.yarg.reporting.extraction.PreprocessorFactory Maven / Gradle / Ivy

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package com.haulmont.yarg.reporting.extraction;

import com.haulmont.yarg.loaders.QueryLoaderPreprocessor;

/**
 * This interface implementation should holding relation between name of data loader type (ex: sql)
 * and custom params preprocessor
 * if relation not set, implementation should present default params preprocessor
 * ex: {@code (query, params, consumer)-> consumer.apply(query, params) }
 *
 * The default implementation is com.haulmont.yarg.reporting.extraction.DefaultPreprocessorFactory
 */
public interface PreprocessorFactory {
    /**
     * Method for registering query preprocessing by loader type
     *
     * @param loaderType loader type ex: sql
     * @param preprocessor preprocessor implementation
     */
    void register(String loaderType, QueryLoaderPreprocessor preprocessor);

    /**
     * @param loaderType loader type ex: sql
     * @return preprocessor instance
     */
    QueryLoaderPreprocessor processorBy(String loaderType);
}