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package org.stuartgunter.dropwizard.cassandra.speculativeexecution;

import com.datastax.driver.core.policies.SpeculativeExecutionPolicy;
import com.fasterxml.jackson.annotation.JsonTypeInfo;

/**
 * A service provider interface for creating DataStax {@link SpeculativeExecutionPolicy speculative execution policies}.
 * 
 * To create your own, just:
 * 

 *     Create a class which implements {@link SpeculativeExecutionPolicyFactory}.
 *     Annotate it with {@code @JsonTypeName} and give it a unique type name.
 *     Add a {@code META-INF/services/org.stuartgunter.dropwizard.cassandra.speculativeexecution.SpeculativeExecutionPolicyFactory}
 *     file with your implementation's full class name to the class path.
 * 
 *
 * @see ConstantSpeculativeExecutionPolicyFactory
 * @see NoSpeculativeExecutionPolicyFactory
 */
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
public interface SpeculativeExecutionPolicyFactory {

    SpeculativeExecutionPolicy build();
}