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/*******************************************************************************
* Copyright (c) 2008, 2010 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.model;
import org.eclipse.equinox.internal.p2.ui.ProvUI;
import org.eclipse.equinox.internal.p2.ui.query.IUViewQueryContext;
import org.eclipse.equinox.p2.ui.Policy;
import org.eclipse.equinox.p2.ui.ProvisioningUI;
/**
* Element class that represents the root of a viewer. It can be configured
* with its own ui and query context.
*
* @since 3.5
*
*/
public abstract class RootElement extends RemoteQueriedElement {
private IUViewQueryContext queryContext;
private ProvisioningUI ui;
public RootElement(ProvisioningUI ui) {
this(null, ProvUI.getQueryContext(ui.getPolicy()), ui);
}
public RootElement(IUViewQueryContext queryContext, ProvisioningUI ui) {
this(null, queryContext, ui);
}
/*
* Special method for subclasses that can sometimes be a root, and sometimes not.
*/
protected RootElement(Object parent, IUViewQueryContext queryContext, ProvisioningUI ui) {
super(parent);
this.queryContext = queryContext;
this.ui = ui;
}
/**
* Set the query context that is used when querying the receiver.
*
* @param context the query context to use
*/
public void setQueryContext(IUViewQueryContext context) {
queryContext = context;
}
@Override
public IUViewQueryContext getQueryContext() {
return queryContext;
}
@Override
public Policy getPolicy() {
return ui.getPolicy();
}
@Override
public ProvisioningUI getProvisioningUI() {
return ui;
}
}
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