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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.tuscany.sca.implementation.xquery;
import java.lang.reflect.Method;
import java.util.Map;
import net.sf.saxon.query.XQueryExpression;
import org.apache.tuscany.sca.assembly.Implementation;
/**
* Class representing the XQuery implementation type
* @version $Rev$ $Date$
*/
public interface XQueryImplementation extends Implementation {
/**
* Location of the XQuery implementation file
* @return
*/
String getLocation();
void setLocation(String location);
String getLocationURL();
void setLocationURL(String location);
/**
* The XQuery expression that is loaded from the XQuery implementation file
* @return
*/
String getXqExpression();
void setXqExpression(String expression);
/**
* The XQuery expression should be extended for with additional
* script, which provides the external variables needed to invoke
* a function. In this way for each function that is defined in the
* original XQuery expression additional expression is defined, which
* can invoke this function, using external variables as input.
* These expression extensions are stored in this map. It provides for
* each method of a service interface that is implemented by this component
* type corresponding expression extension
* @return
*/
Map<Method, String> getXqExpressionExtensionsMap();
/**
* This map is a kind of cache for function invocations. If a given
* XQuery function of this implementation has been invoked already
* its compiled expression can be reused. In this manner the performance
* can be increased
* @return
*/
Map<String, XQueryExpression> getCompiledExpressionsCache();
}
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