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SagaConsumerHandler.java
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SagaConsumerHandler.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.servicecomb.saga.omega.transport.servicecomb;
import static org.apache.servicecomb.saga.omega.context.OmegaContext.GLOBAL_TX_ID_KEY;
import static org.apache.servicecomb.saga.omega.context.OmegaContext.LOCAL_TX_ID_KEY;
import java.lang.invoke.MethodHandles;
import org.apache.servicecomb.saga.omega.context.OmegaContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.apache.servicecomb.core.Handler;
import org.apache.servicecomb.core.Invocation;
import org.apache.servicecomb.swagger.invocation.AsyncResponse;
public class SagaConsumerHandler implements Handler {
private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
private final OmegaContext omegaContext;
@Autowired
public SagaConsumerHandler(OmegaContext omegaContext) {
this.omegaContext = omegaContext;
}
@Override
public void handle(Invocation invocation, AsyncResponse asyncResponse) throws Exception {
if (omegaContext.globalTxId() != null) {
invocation.getContext().put(GLOBAL_TX_ID_KEY, omegaContext.globalTxId());
invocation.getContext().put(LOCAL_TX_ID_KEY, omegaContext.localTxId());
LOG.debug("Added {} {} and {} {} to request header",
GLOBAL_TX_ID_KEY,
omegaContext.globalTxId(),
LOCAL_TX_ID_KEY,
omegaContext.localTxId());
}
invocation.next(asyncResponse);
}
}