/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.spec;
import com.espertech.esper.epl.expression.core.ExprNode;
import com.espertech.esper.util.MetaDefItem;
import java.io.Serializable;
import java.util.List;
/**
* Specification for creating a named window.
*/
public class CreateWindowDesc implements MetaDefItem, Serializable {
private String windowName;
private List<ViewSpec> viewSpecs;
private boolean isInsert;
private String insertFromWindow;
private ExprNode insertFilter;
private StreamSpecOptions streamSpecOptions;
private List<ColumnDesc> columns;
private String asEventTypeName;
private static final long serialVersionUID = 3889989851649484639L;
/**
* Ctor.
*
* @param windowName the window name
* @param viewSpecs the view definitions
* @param insert true for insert-info
* @param insertFilter optional filter expression
* @param streamSpecOptions options such as retain-union etc
* @param columns list of columns, if using column syntax
* @param asEventTypeName as-type
*/
public CreateWindowDesc(String windowName, List<ViewSpec> viewSpecs, StreamSpecOptions streamSpecOptions, boolean insert, ExprNode insertFilter, List<ColumnDesc> columns, String asEventTypeName) {
this.windowName = windowName;
this.viewSpecs = viewSpecs;
this.isInsert = insert;
this.insertFilter = insertFilter;
this.streamSpecOptions = streamSpecOptions;
this.columns = columns;
this.asEventTypeName = asEventTypeName;
}
/**
* Returns the window name.
*
* @return window name
*/
public String getWindowName() {
return windowName;
}
/**
* Returns the view specifications.
*
* @return view specs
*/
public List<ViewSpec> getViewSpecs() {
return viewSpecs;
}
/**
* Returns true for insert-from.
*
* @return indicator to insert from another named window
*/
public boolean isInsert() {
return isInsert;
}
/**
* Returns the expression to filter insert-from events, or null if none supplied.
*
* @return insert filter expression
*/
public ExprNode getInsertFilter() {
return insertFilter;
}
/**
* Returns the window name to insert from.
*
* @return window name to insert from
*/
public String getInsertFromWindow() {
return insertFromWindow;
}
/**
* Sets the filter expression to use to apply
*
* @param insertFilter filter
*/
public void setInsertFilter(ExprNode insertFilter) {
this.insertFilter = insertFilter;
}
/**
* Sets the source named window if inserting from another named window.
*
* @param insertFromWindow source named window
*/
public void setInsertFromWindow(String insertFromWindow) {
this.insertFromWindow = insertFromWindow;
}
/**
* Returns the options for the stream such as unidirectional, retain-union etc.
*
* @return stream options
*/
public StreamSpecOptions getStreamSpecOptions() {
return streamSpecOptions;
}
/**
* Returns column names and types.
*
* @return column descriptors
*/
public List<ColumnDesc> getColumns() {
return columns;
}
public String getAsEventTypeName() {
return asEventTypeName;
}
}