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# *****************************************************************************
# * Copyright (c) 2012 Wind River Systems, Inc. and others.
# * All rights reserved. This program and the accompanying materials
# * are made available under the terms of the Eclipse Public License v1.0
# * which accompanies this distribution, and is available at
# * http://www.eclipse.org/legal/epl-v10.html
# *
# * Contributors:
# * Wind River Systems - initial API and implementation
# *****************************************************************************
"""
TCF ContextQuery service interface.
"""
from tcf import services
# Service name.
NAME = "ContextQuery"
class ContextQueryService(services.Service):
def getName(self):
return NAME
def query(self, querystr, done):
"""
@param querystr - context query to be executed.
@param done - command result call back object.
@return - pending command handle.
@see DoneQuery
"""
raise NotImplementedError("Abstract method")
def getAttrNames(self, done):
"""
@param done - command result call back object.
@return - pending command handle.
@see DoneGetAttrNames
"""
raise NotImplementedError("Abstract method")
class DoneQuery(object):
"Call back interface for 'query' command."
def doneQuery(self, token, error, ctxList):
"""
Called when 'query' command is done.
@param token - command handle.
@param error - error object or None.
@param ctxList - IDs of contexts matching the query.
"""
pass
class DoneGetAttrNames(object):
"Call back interface for 'getAttrNames' command."
def doneGetAttrNames(self, token, error, attrNameList):
"""
Called when 'getAttrNames' command is done.
@param token - command handle.
@param error - error object or None.
@param attrNameList - List of the attributes supported by the agent.
"""
pass
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