/**
* <copyright>
* </copyright>
*
* $Id$
*/
package dataaccess.expressions;
import data.classes.AssociationEnd;
import org.eclipse.emf.ecore.EObject;
/**
* <!-- begin-user-doc -->
* A representation of the model object '<em><b>Navigation Step</b></em>'.
* <!-- end-user-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link dataaccess.expressions.NavigationStep#getReplace <em>Replace</em>}</li>
* <li>{@link dataaccess.expressions.NavigationStep#getTo <em>To</em>}</li>
* <li>{@link dataaccess.expressions.NavigationStep#getFilterFunction <em>Filter Function</em>}</li>
* </ul>
* </p>
*
* @see dataaccess.expressions.ExpressionsPackage#getNavigationStep()
* @model annotation="http://www.eclipse.org/emf/2002/Ecore/OCL FromEndAttachesToOutputOfPreviousStep='let i:Integer = self.replace.steps->indexOf(self) in\r\n let t:data::classes::ClassTypeDefinition = if i=1 then\r\n self.replace.object.getType().oclAsType(data::classes::ClassTypeDefinition)\r\n else\r\n self.replace.steps->at(-1 + i).to.type\r\n endif\r\n in\r\n\r\n self.to.otherEnd().type.clazz.conformsTo(t.clazz)' FilterFunctionExpressionHasFunctionType='self.filterFunction->notEmpty() implies self.filterFunction.getType().oclIsKindOf(data::classes::FunctionSignatureTypeDefinition)' FromEndMustBeEqualityRelevant='to.otherEnd().contributesToEquality'"
* annotation="http://www.eclipse.org/emf/2002/Ecore constraints='FromEndAttachesToOutputOfPreviousStep FilterFunctionExpressionHasFunctionType FromEndMustBeEqualityRelevant'"
* @generated
*/
public interface NavigationStep extends EObject {
/**
* Returns the value of the '<em><b>Replace</b></em>' container reference.
* It is bidirectional and its opposite is '{@link dataaccess.expressions.Replace#getSteps <em>Steps</em>}'.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>Replace</em>' container reference isn't clear,
* there really should be more of a description here...
* </p>
* <!-- end-user-doc -->
* @return the value of the '<em>Replace</em>' container reference.
* @see #setReplace(Replace)
* @see dataaccess.expressions.ExpressionsPackage#getNavigationStep_Replace()
* @see dataaccess.expressions.Replace#getSteps
* @model opposite="steps" required="true"
* @generated
*/
Replace getReplace();
/**
* Sets the value of the '{@link dataaccess.expressions.NavigationStep#getReplace <em>Replace</em>}' container reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @param value the new value of the '<em>Replace</em>' container reference.
* @see #getReplace()
* @generated
*/
void setReplace(Replace value);
/**
* Returns the value of the '<em><b>To</b></em>' reference.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>To</em>' reference isn't clear,
* there really should be more of a description here...
* </p>
* <!-- end-user-doc -->
* @return the value of the '<em>To</em>' reference.
* @see #setTo(AssociationEnd)
* @see dataaccess.expressions.ExpressionsPackage#getNavigationStep_To()
* @model required="true"
* @generated
*/
AssociationEnd getTo();
/**
* Sets the value of the '{@link dataaccess.expressions.NavigationStep#getTo <em>To</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @param value the new value of the '<em>To</em>' reference.
* @see #getTo()
* @generated
*/
void setTo(AssociationEnd value);
/**
* Returns the value of the '<em><b>Filter Function</b></em>' containment reference.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>Filter Function</em>' containment reference isn't clear,
* there really should be more of a description here...
* </p>
* <!-- end-user-doc -->
* @return the value of the '<em>Filter Function</em>' containment reference.
* @see #setFilterFunction(Expression)
* @see dataaccess.expressions.ExpressionsPackage#getNavigationStep_FilterFunction()
* @model containment="true" resolveProxies="true"
* annotation="http://schema.omg.org/spec/MOF/2.0/emof.xml Property.oppositeRoleName='navigationStep'"
* @generated
*/
Expression getFilterFunction();
/**
* Sets the value of the '{@link dataaccess.expressions.NavigationStep#getFilterFunction <em>Filter Function</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @param value the new value of the '<em>Filter Function</em>' containment reference.
* @see #getFilterFunction()
* @generated
*/
void setFilterFunction(Expression value);
} // NavigationStep