com.rbkmoney.woody.api.trace.context.metadata.MetadataConverter Maven / Gradle / Ivy

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package com.rbkmoney.woody.api.trace.context.metadata;

public interface MetadataConverter {
    /**
     * @throws MetadataConversionException if conversion error occurs
     */
    T convertToObject(String key, String value) throws MetadataConversionException;

    /**
     * @throws MetadataConversionException if conversion error occurs
     */
    String convertToString(String key, T value) throws MetadataConversionException;

    /**
     * @return true - if converter can process entry with such key; false - otherwise
     */
    boolean apply(String key);

    /**
     * @return true - if converter accepts absence of any entries that can be applied for conversion to object; false - otherwise
     */
    default boolean applyToObject() {
        return false;
    }

    /**
     * @return true - if converter accepts absence of any entries that can be applied for conversion to string; false - otherwise
     */
    default boolean applyToString() {
        return false;
    }
}