Example usage for org.apache.hadoop.registry.client.api BindFlags OVERWRITE

Introduction

In this page you can find the example usage for org.apache.hadoop.registry.client.api BindFlags OVERWRITE.

Prototype

int OVERWRITE

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Document

The entry should be created even if an existing entry is there.

Usage

From source file:com.alibaba.jstorm.yarn.registry.YarnRegistryViewForProviders.java

License:Apache License

/**
 * Add a component //w  w  w.  j a  v  a2 s .c om
 * @param serviceClass service class to use under ~user
 * @param componentName component name
 * @param record record to put
 * @throws IOException
 */
public void putComponent(String serviceClass, String serviceName, String componentName, ServiceRecord record)
        throws IOException {
    String path = RegistryUtils.componentPath(user, serviceClass, serviceName, componentName);
    registryOperations.mknode(RegistryPathUtils.parentOf(path), true);
    registryOperations.bind(path, record, BindFlags.OVERWRITE);
}

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From source file:com.alibaba.jstorm.yarn.registry.YarnRegistryViewForProviders.java

License:Apache License

/**
 * Add a service under a path, optionally purging any history
 * @param username user//from  ww w  .j  av a  2  s.  co  m
 * @param serviceClass service class to use under ~user
 * @param serviceName name of the service
 * @param record service record
 * @param deleteTreeFirst perform recursive delete of the path first.
 * @return the path the service was created at
 * @throws IOException
 */
public String putService(String username, String serviceClass, String serviceName, ServiceRecord record,
        boolean deleteTreeFirst) throws IOException {
    String path = RegistryUtils.servicePath(username, serviceClass, serviceName);
    if (deleteTreeFirst) {
        registryOperations.delete(path, true);
    }
    registryOperations.mknode(RegistryPathUtils.parentOf(path), true);
    registryOperations.bind(path, record, BindFlags.OVERWRITE);
    return path;
}

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