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/*******************************************************************************
* Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.report;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import org.jacoco.core.data.ExecutionData;
import org.jacoco.core.data.SessionInfo;
/**
* Interface for all implementations to retrieve structured report data. Unlike
* nested {@link IReportGroupVisitor} instances the root visitor accepts exactly
* one bundle or group.
*/
public interface IReportVisitor extends IReportGroupVisitor {
/**
* Initializes the report with global information. This method has to be
* called before any other method can be called.
*
* @param sessionInfos
* list of chronological ordered {@link SessionInfo} objects
* where execution data has been collected for this report.
* @param executionData
* collection of all {@link ExecutionData} objects that are
* considered for this report
* @throws IOException
* in case of IO problems with the report writer
*/
void visitInfo(List<SessionInfo> sessionInfos,
Collection<ExecutionData> executionData) throws IOException;
/**
* Has to be called after all report data has been emitted.
*
* @throws IOException
* in case of IO problems with the report writer
*/
void visitEnd() throws IOException;
}
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