31 lines
1.0 KiB
Java
31 lines
1.0 KiB
Java
package cy.agorise.graphenej.interfaces;
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import cy.agorise.graphenej.ObjectType;
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import cy.agorise.graphenej.models.SubscriptionResponse;
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/**
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* Generic interface that must be implemented by any class that wants to be informed about a specific
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* event notification.
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*
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* Created by nelson on 1/26/17.
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*/
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public interface SubscriptionListener {
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/**
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* Every subscription listener must implement a method that returns the type of object it is
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* interested in.
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* @return: Instance of the ObjectType enum class.
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*/
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ObjectType getInterestObjectType();
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/**
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* Method called whenever there is an update that might be of interest for this listener.
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* Note however that the objects returned inside the SubscriptionResponse are not guaranteed to be
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* only of the object type requested by this class in the getInterestObjectType.
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*
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* @param response: SubscriptionResponse instance, which may or may not contain an object of interest.
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*/
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void onSubscriptionUpdate(SubscriptionResponse response);
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}
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