40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
package tc.oc.pgm.rotation;
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import java.util.Map;
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import java.util.concurrent.Future;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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/**
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* Represents a (persistent) store for rotations.
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*/
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public interface RotationProvider {
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/**
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* Gets all the stored rotations that have been loaded.
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* @return Immutable map of rotation name to rotation state
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*/
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@Nonnull Map<String, RotationState> getRotations();
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/**
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* Gets the stored (cached) rotation if it is available.
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* @param name Name of the rotation
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* @return Stored rotation or null if there is not one loaded
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*/
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@Nullable RotationState getRotation(@Nonnull String name);
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/**
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* Prompts the provider to load all the rotations it has.
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* @return Future that will complete when the rotations have loaded
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*/
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@Nonnull Future<?> loadRotations();
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/**
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* Prompts the provider to save the given rotation.
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* @param name Name of the rotation
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* @param newRotation New rotation to save
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* @return Future that will complete when the rotation is saved
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*/
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@Nonnull Future<?> saveRotation(@Nonnull String name, @Nonnull RotationState newRotation);
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}
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