// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.core.documentapi;

import com.yahoo.component.annotation.Inject;
import com.yahoo.container.di.componentgraph.Provider;
import com.yahoo.document.config.DocumentmanagerConfig;
import com.yahoo.documentapi.messagebus.protocol.DocumentProtocolPoliciesConfig;
import com.yahoo.messagebus.MessagebusConfig;
import com.yahoo.vespa.config.content.DistributionConfig;

/**
 * Lets a lazily initialised DocumentAccess that forwards to a MessageBusDocumentAccess be injected in containers.
 *
 * @author jonmv
 */
public class DocumentAccessProvider implements Provider<VespaDocumentAccess> {

    private final VespaDocumentAccess access;

    @Inject
    public DocumentAccessProvider(DocumentmanagerConfig documentmanagerConfig,
                                  MessagebusConfig messagebusConfig, DocumentProtocolPoliciesConfig policiesConfig,
                                  DistributionConfig distributionConfig) {
        this.access = new VespaDocumentAccess(documentmanagerConfig, System.getProperty("config.id"),
                                              messagebusConfig, policiesConfig, distributionConfig);
    }

    @Override
    public VespaDocumentAccess get() {
        return access;
    }

    @Override
    public void deconstruct() {
        access.protectedShutdown();
    }


}