net.sf.saxon.expr.ContextSwitchingExpression Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of saxon-he Show documentation
Show all versions of saxon-he Show documentation
An OSGi bundle for Saxon-HE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2013 Saxonica Limited.
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.expr;
/**
* Interface implemented by expressions that switch the context, for example A/B or A[B]
*/
public interface ContextSwitchingExpression {
/**
* Get the subexpression that sets the context item
* @return the subexpression that sets the context item, position, and size to each of its
* items in turn
*/
public Expression getControllingExpression();
/**
* Get the subexpression that is evaluated in the new context
* @return the subexpression evaluated in the context set by the controlling expression
*/
public Expression getControlledExpression();
}