io.syndesis.integration.runtime.stephandlers.ThrottleHandler Maven / Gradle / Ivy

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/*
 * 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.
 */
package io.syndesis.integration.runtime.stephandlers;

import com.google.auto.service.AutoService;
import io.syndesis.integration.model.steps.Step;
import io.syndesis.integration.model.steps.Throttle;
import io.syndesis.integration.runtime.StepHandler;
import io.syndesis.integration.runtime.SyndesisRouteBuilder;
import org.apache.camel.model.ProcessorDefinition;
import org.apache.camel.model.ThrottleDefinition;

@AutoService(StepHandler.class)
public class ThrottleHandler implements StepHandler {
  @Override
  public boolean canHandle(Step step) {
    return step.getClass().equals(Throttle.class);
  }

  @Override
  public ProcessorDefinition handle(Throttle step, ProcessorDefinition route, SyndesisRouteBuilder routeBuilder) {
    ThrottleDefinition throttle = route.throttle(step.getMaximumRequests());
    Long period = step.getPeriodMillis();
    if (period != null) {
      throttle.timePeriodMillis(period);
    }
    return routeBuilder.addSteps(throttle, step.getSteps());
  }
}