/**
* 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.hadoop.gateway.hbase;
import org.apache.hadoop.gateway.deploy.DeploymentContext;
import org.apache.hadoop.gateway.deploy.ProviderDeploymentContributorBase;
import org.apache.hadoop.gateway.descriptor.FilterDescriptor;
import org.apache.hadoop.gateway.descriptor.FilterParamDescriptor;
import org.apache.hadoop.gateway.descriptor.ResourceDescriptor;
import org.apache.hadoop.gateway.topology.Provider;
import org.apache.hadoop.gateway.topology.Service;
import java.util.List;
public class HBaseDispatchDeploymentContributor extends ProviderDeploymentContributorBase {
private static final String REPLAY_BUFFER_SIZE_PARAM = "replayBufferSize";
// Default global replay buffer size in KB
public static final String DEFAULT_REPLAY_BUFFER_SIZE = "4";
@Override
public String getRole() {
return "dispatch";
}
@Override
public String getName() {
return "hbase";
}
@Override
public void contributeFilter( DeploymentContext context, Provider provider, Service service, ResourceDescriptor resource, List<FilterParamDescriptor> params ) {
String replayBufferSize = DEFAULT_REPLAY_BUFFER_SIZE;
if (params != null) {
for (FilterParamDescriptor paramDescriptor : params) {
if (REPLAY_BUFFER_SIZE_PARAM.equals( paramDescriptor.name() )) {
replayBufferSize = paramDescriptor.value();
break;
}
}
}
FilterDescriptor filter = resource.addFilter().name( getName() ).role( getRole() ).impl( HBaseHttpClientDispatch.class );
filter.param().name("replayBufferSize").value(replayBufferSize);
if( context.getGatewayConfig().isHadoopKerberosSecured() ) {
filter.param().name("kerberos").value("true");
}
}
}