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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.qpid.qmf2.agent;
import java.util.Map;
// QMF2 Imports
import org.apache.qpid.qmf2.common.ObjectId;
import org.apache.qpid.qmf2.common.QmfData;
/**
* This class contains the values passed by the Agent class to the Agent implementation within the MethodCallWorkItem.
* <p>
* It contains information that is needed by the Agent implementation to identify the object on which the method.
* is to be called via getObjectId(), the name of the method to be invoked via getName() and the arguments of the
* method via getArgs().
*
* @author Fraser Adams
*/
public final class MethodCallParams
{
private final String _name;
private final ObjectId _objectId;
private final QmfData _args;
private final String _userId;
/**
* Construct MethodCallParams.
*
* @param m the Map used to populate the WorkItem's parameters.
*/
public MethodCallParams(final Map m)
{
_name = QmfData.getString(m.get("_method_name"));
Map oid = (Map)m.get("_object_id");
_objectId = (oid == null) ? null : new ObjectId(oid);
Map args = (Map)m.get("_arguments");
if (args == null)
{
_args = null;
}
else
{
_args = new QmfData(args);
_args.setSubtypes((Map)m.get("_subtypes"));
}
_userId = QmfData.getString(m.get("_user_id"));
}
/**
* Return a string containing the name of the method call.
* @return a string containing the name of the method call.
*/
public String getName()
{
return _name;
}
/**
* Return the identifier for the object on which this method needs to be invoked.
* @return the identifier for the object on which this method needs to be invoked.
* <p>
* Returns null iff there is no associated object (a method call against the agent itself).
*/
public ObjectId getObjectId()
{
return _objectId;
}
/**
* Return a map of input arguments for the method.
* @return a map of input arguments for the method.
* <p>
* Arguments are in "name"=<value> pairs. Returns null if no arguments are supplied.
*/
public QmfData getArgs()
{
return _args;
}
/**
* Return authenticated user id of caller if present, else null.
* @return authenticated user id of caller if present, else null.
*/
public String getUserId()
{
return _userId;
}
/**
* Helper/debug method to list the properties and their type.
*/
public void listValues()
{
System.out.println("MethodCallParams:");
System.out.println("name: " + _name);
System.out.println("objectId: " + _objectId);
System.out.println("args: " + _args);
System.out.println("userId: " + _userId);
}
}
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