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A testing framework for the JVM

There is a newer version: 7.10.1

package org.testng;

/**
 * A listener that gets invoked before and after a data provider is invoked by TestNG.
 */
public interface IDataProviderListener extends ITestNGListener {

    /**
     * This method gets invoked just before a data provider is invoked.
     * @param dataProviderMethod - A {@link IDataProviderMethod} object that contains details about the
     *                                data provider that is about to be executed.
     * @param method                  - The {@link ITestNGMethod} method that is going to consume the data
     * @param iTestContext - The current test context
     */
    void beforeDataProviderExecution(IDataProviderMethod dataProviderMethod, ITestNGMethod method, ITestContext iTestContext);

    /**
     * This method gets invoked just after a data provider is invoked.
     * @param dataProviderMethod - A {@link IDataProviderMethod} object that contains details about the
     *                                data provider that got executed.
     * @param method             - The {@link ITestNGMethod} method that received the data
     * @param iTestContext - The current test context
     */
    void afterDataProviderExecution(IDataProviderMethod dataProviderMethod, ITestNGMethod method, ITestContext iTestContext);
}