<BUG>import com.googlecode.cqengine.index.support.Factory;</BUG><CONTEXT>package com.googlecode.cqengine.persistence;import com.googlecode.cqengine.attribute.SimpleAttribute;import com.googlecode.cqengine.index.Index;<extra_id_0>import com.googlecode.cqengine.persistence.support.ObjectStore;import com.googlecode.cqengine.query.option.QueryOptions;import java.util.Set;public interface Persistence<O, A extends Comparable<A>> {ObjectStore<O> createObjectStore();boolean supportsIndex(Index<O> index);void openRequestScopeResources(QueryOptions queryOptions);void closeRequestScopeResources(QueryOptions queryOptions);SimpleAttribute<O, A> getPrimaryKeyAttribute();}</CONTEXT>
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