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package com.orbitz.consul;
import com.orbitz.consul.async.ConsulResponseCallback;
import com.orbitz.consul.model.ConsulResponse;
import com.orbitz.consul.model.catalog.CatalogDeregistration;
import com.orbitz.consul.model.catalog.CatalogNode;
import com.orbitz.consul.model.catalog.CatalogRegistration;
import com.orbitz.consul.model.catalog.CatalogService;
import com.orbitz.consul.model.health.Node;
import com.orbitz.consul.option.QueryOptions;
import com.orbitz.consul.util.Http;
import retrofit2.Call;
import retrofit2.Retrofit;
import retrofit2.http.*;
import java.util.List;
import java.util.Map;
import static com.orbitz.consul.util.Http.extractConsulResponse;
import static com.orbitz.consul.util.Http.handle;
/**
* HTTP Client for /v1/catalog/ endpoints.
*/
public class CatalogClient {
private final Api api;
/**
* Constructs an instance of this class.
*
* @param retrofit The {@link Retrofit} to build a client from.
*/
CatalogClient(Retrofit retrofit) {
this.api = retrofit.create(Api.class);
}
/**
* Retrieves all datacenters.
*
* GET /v1/catalog/datacenters
*
* @return A list of datacenter names.
*/
public List getDatacenters() {
return Http.extract(api.getDatacenters());
}
/**
* Retrieves all nodes.
*
* GET /v1/catalog/nodes
*
* @return A {@link com.orbitz.consul.model.ConsulResponse} containing a list of
* {@link com.orbitz.consul.model.health.Node} objects.
*/
public ConsulResponse> getNodes() {
return getNodes(QueryOptions.BLANK);
}
/**
* Retrieves all nodes for a given datacenter with {@link com.orbitz.consul.option.QueryOptions}.
*
* GET /v1/catalog/nodes?dc={datacenter}
*
* @param queryOptions The Query Options to use.
* @return A {@link com.orbitz.consul.model.ConsulResponse} containing a list of
* {@link com.orbitz.consul.model.health.Node} objects.
*/
public ConsulResponse> getNodes(QueryOptions queryOptions) {
return extractConsulResponse(api.getNodes(queryOptions.toQuery(),
queryOptions.getTag(), queryOptions.getNodeMeta()));
}
/**
* Asynchronously retrieves the nodes for a given datacenter with {@link com.orbitz.consul.option.QueryOptions}.
*
* GET /v1/catalog/nodes?dc={datacenter}
*
* @param queryOptions The Query Options to use.
* @param callback Callback implemented by callee to handle results.
* {@link com.orbitz.consul.model.health.Node} objects.
*/
public void getNodes(QueryOptions queryOptions, ConsulResponseCallback> callback) {
extractConsulResponse(api.getNodes(queryOptions.toQuery(), queryOptions.getTag(),
queryOptions.getNodeMeta()), callback);
}
/**
* Retrieves all services for a given datacenter.
*
* GET /v1/catalog/services?dc={datacenter}
*
* @return A {@link com.orbitz.consul.model.ConsulResponse} containing a map of service name to list of tags.
*/
public ConsulResponse>> getServices() {
return getServices(QueryOptions.BLANK);
}
/**
* Retrieves all services for a given datacenter.
*
* GET /v1/catalog/services?dc={datacenter}
*
* @param queryOptions The Query Options to use.
* @return A {@link com.orbitz.consul.model.ConsulResponse} containing a map of service name to list of tags.
*/
public ConsulResponse>> getServices(QueryOptions queryOptions) {
return extractConsulResponse(api.getServices(queryOptions.toQuery(),
queryOptions.getTag(), queryOptions.getNodeMeta()));
}
/**
* Retrieves a single service.
*
* GET /v1/catalog/service/{service}
*
* @return A {@link com.orbitz.consul.model.ConsulResponse} containing
* {@link com.orbitz.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse> getService(String service) {
return getService(service, QueryOptions.BLANK);
}
/**
* Retrieves a single service for a given datacenter with {@link com.orbitz.consul.option.QueryOptions}.
*
* GET /v1/catalog/service/{service}?dc={datacenter}
*
* @param queryOptions The Query Options to use.
* @return A {@link com.orbitz.consul.model.ConsulResponse} containing
* {@link com.orbitz.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse> getService(String service, QueryOptions queryOptions) {
return extractConsulResponse(api.getService(service, queryOptions.toQuery(),
queryOptions.getTag(), queryOptions.getNodeMeta()));
}
/**
* Retrieves a single node.
*
* GET /v1/catalog/node/{node}
*
* @return A list of matching {@link com.orbitz.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse getNode(String node) {
return getNode(node, QueryOptions.BLANK);
}
/**
* Retrieves a single node for a given datacenter with {@link com.orbitz.consul.option.QueryOptions}.
*
* GET /v1/catalog/node/{node}?dc={datacenter}
*
* @param queryOptions The Query Options to use.
* @return A list of matching {@link com.orbitz.consul.model.catalog.CatalogService} objects.
*/
public ConsulResponse getNode(String node, QueryOptions queryOptions) {
return extractConsulResponse(api.getNode(node, queryOptions.toQuery(),
queryOptions.getTag(), queryOptions.getNodeMeta()));
}
/**
* Registers a service or node.
*
* PUT /v1/catalog/register
*
* @param registration A {@link CatalogRegistration}
*/
public void register(CatalogRegistration registration) {
register(registration, QueryOptions.BLANK);
}
/**
* Registers a service or node.
*
* PUT /v1/catalog/register
*
* @param registration A {@link CatalogRegistration}
*/
public void register(CatalogRegistration registration, QueryOptions options) {
handle(api.register(registration, options.toQuery()));
}
/**
* Deregisters a service or node.
*
* PUT /v1/catalog/deregister
*
* @param deregistration A {@link CatalogDeregistration}
*/
public void deregister(CatalogDeregistration deregistration) {
deregister(deregistration, QueryOptions.BLANK);
}
/**
* Deregisters a service or node.
*
* PUT /v1/catalog/deregister
*
* @param deregistration A {@link CatalogDeregistration}
*/
public void deregister(CatalogDeregistration deregistration, QueryOptions options) {
handle(api.deregister(deregistration, options.toQuery()));
}
/**
* Retrofit API interface.
*/
interface Api {
@GET("catalog/datacenters")
Call> getDatacenters();
@GET("catalog/nodes")
Call> getNodes(@QueryMap Map query,
@Query("tag") List tag,
@Query("node-meta") List nodeMeta);
@GET("catalog/node/{node}")
Call getNode(@Path("node") String node,
@QueryMap Map query,
@Query("tag") List tag,
@Query("node-meta") List nodeMeta);
@GET("catalog/services")
Call>> getServices(@QueryMap Map query,
@Query("tag") List tag,
@Query("node-meta") List nodeMeta);
@GET("catalog/service/{service}")
Call> getService(@Path("service") String service,
@QueryMap Map queryMeta,
@Query("tag") List tag,
@Query("node-meta") List nodeMeta);
@PUT("catalog/register")
Call register(@Body CatalogRegistration registration, @QueryMap Map options);
@PUT("catalog/deregister")
Call deregister(@Body CatalogDeregistration deregistration, @QueryMap Map options);
}
}
