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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.server.restful;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import java.util.UUID;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler;
import org.onap.policy.controlloop.VirtualControlLoopNotification;
import org.onap.policy.drools.apps.controlloop.feature.trans.ControlLoopMetricsManager;
/**
* REST Transaction Tracker.
*/
@Path("/policy/pdp/engine/controllers")
@Produces({MediaType.APPLICATION_JSON, YamlMessageBodyHandler.APPLICATION_YAML})
@Consumes({MediaType.APPLICATION_JSON, YamlMessageBodyHandler.APPLICATION_YAML})
@Api
public class RestTransactionTracker {
/**
* GET transactions.
*/
@GET
@Path("transactions")
@ApiOperation(value = "Retrieve in-progress transactions", responseContainer = "List")
public Response transactions() {
return Response.status(Response.Status.OK)
.entity(ControlLoopMetricsManager.getManager().getTransactions()).build();
}
/**
* GET one transaction.
*/
@GET
@Path("transactions/{transactionId}")
@ApiOperation(value = "Retrieve an in-progress transaction", response = VirtualControlLoopNotification.class)
public Response transactionId(
@ApiParam(value = "UUID", required = true) @PathParam("transactionId") String transactionId) {
VirtualControlLoopNotification notification =
ControlLoopMetricsManager.getManager().getTransaction(UUID.fromString(transactionId));
return Response.status((notification != null) ? Response.Status.OK : Response.Status.NOT_FOUND)
.entity(notification).build();
}
/**
* Resets the cache with a new cache size.
*/
@PUT
@Path("transactions/cacheSize/{cacheSize}")
@ApiOperation(value = "Sets the cache size", response = Integer.class)
public Response cacheSize(
@ApiParam(value = "cache size", required = true) @PathParam("cacheSize") int cacheSize) {
ControlLoopMetricsManager.getManager().resetCache(cacheSize,
ControlLoopMetricsManager.getManager().getTransactionTimeout());
return Response.status(Response.Status.OK)
.entity(ControlLoopMetricsManager.getManager().getCacheSize()).build();
}
/**
* GET the cache size.
*/
@GET
@Path("transactions/cacheSize")
@ApiOperation(value = "Gets the cache size", response = Integer.class)
public Response cacheSize() {
return Response.status(Response.Status.OK)
.entity(ControlLoopMetricsManager.getManager().getCacheSize()).build();
}
/**
* Resets the cache with a new transaction timeout in seconds.
*/
@PUT
@Path("transactions/timeout/{timeoutSecs}")
@ApiOperation(value = "Sets the timeout in seconds", response = Integer.class)
public Response timeout(
@ApiParam(value = "timeout", required = true) @PathParam("timeoutSecs") long timeoutSecs) {
ControlLoopMetricsManager.getManager().resetCache(
ControlLoopMetricsManager.getManager().getCacheSize(), timeoutSecs);
return Response.status(Response.Status.OK)
.entity(ControlLoopMetricsManager.getManager().getTransactionTimeout()).build();
}
/**
* GET the cache timeout.
*/
@GET
@Path("transactions/timeout")
@ApiOperation(value = "Gets the cache timeout", response = Long.class)
public Response timeout() {
return Response.status(Response.Status.OK)
.entity(ControlLoopMetricsManager.getManager().getTransactionTimeout()).build();
}
}
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