SerialChildExecutingCommand.java

package org.ovirt.engine.core.bll;

/**
 * An interface for commands that are using the
 * {@link SerialChildCommandsExecutionCallback} callback.
 */
public interface SerialChildExecutingCommand {
    /**
     * method to perform the next operation
     *
     * @param completedChildCount
     *            - indicating how many commands were already executed.
     * @return true if there are more operations to be performed, otherwise false.
     */
    boolean performNextOperation(int completedChildCount);

    /**
     * method to handle immediately (before endWithFailure() is called) a failure.
     */
    default void handleFailure() {};

    /**
     * method to indicate whether on failed execution of child commands the command
     * should proceed and execute the next operation or not.
     */
    default boolean ignoreChildCommandFailure() {
        return false;
    }
}