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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model;
/**
* Interface implemented by services using network ports, identifying its requirements.
*
* @author arnej
*/
public interface NetworkPortRequestor {
/** Returns the type of service */
String getServiceType();
/** Returns the name that identifies this service for the config-sentinel, never null */
String getServiceName();
/** Returns the config id, never null */
String getConfigId();
/**
* Returns the desired base port for this service, or '0' if this
* service should use the default port allocation mechanism.
*
* @return The desired base port for this service.
*/
default int getWantedPort() { return 0; }
/** allocate the ports you need */
void allocatePorts(int start, PortAllocBridge from);
/**
* Returns the number of ports needed by this service.
* User-defined ports for container http servers should not be counted, as those
* ports are required to be outside Vespa's port range.
*/
int getPortCount();
/**
* Returns true if the desired base port (returned by
* getWantedPort()) for this service is the only allowed base
* port.
*
* @return true if this Service requires the wanted base port.
*/
default boolean requiresWantedPort() { return false; }
}
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