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/*
 *(c) Copyright QNX Software Systems Ltd. 2002.
 * All Rights Reserved.
 * 
 */

package org.eclipse.cdt.debug.core.cdi;

import org.eclipse.cdt.debug.core.cdi.model.ICDIObject;
import org.eclipse.cdt.debug.core.cdi.model.ICDITracepoint;

/**
 * Represents a trace snapshot in the debug session.
 * 
 * @since May 15, 2003
 */
public interface ICDITraceSnapshot extends ICDISessionObject {

	/**
	 * Returns the number of this snapshot.
	 * 
	 * @return the number of this snapshot
	 */
	int getNumber();

	/**
	 * Selects this snapshot.
	 * 
	 * @throws CDIException on failure. Reasons include:
	 */
	void select() throws CDIException;

	/**
	 * Returns the data collected at this snapshot.
	 * 
	 * @return the data collected at this snapshot
	 * @throws CDIException on failure. Reasons include:
	 */
	ICDIObject[] getData() throws CDIException;

	/**
	 * Returns the array of tracepoints associated with this snapshot.
	 * 
	 * @return array of tracepoints
	 */
	ICDITracepoint[] getTracepoints();
}