r/org.eclipse.statet.r.debug.core/src/org/eclipse/statet/r/debug/core/sourcelookup/RRuntimeSourceFragment.java

/*=============================================================================#
 # Copyright (c) 2010, 2019 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.r.debug.core.sourcelookup;

import org.eclipse.jface.text.AbstractDocument;

import org.eclipse.statet.jcommons.ts.core.Tool;

import org.eclipse.statet.ecommons.text.ISourceFragment;
import org.eclipse.statet.ecommons.text.core.util.ImmutableDocument;

import org.eclipse.statet.nico.core.runtime.ToolProcess;
import org.eclipse.statet.r.console.core.RProcess;
import org.eclipse.statet.rj.renv.core.REnv;


/**
 * Source fragment of an R process
 */
public class RRuntimeSourceFragment implements ISourceFragment {
	
	
	private final RProcess process;
	
	private final String id;
	
	private final String name;
	private final String fullName;
	private final AbstractDocument document;
	
	
	public RRuntimeSourceFragment(final RProcess process, final String name, 
			final String fullName, final String source) {
		this.process = process;
		this.name = name;
		this.fullName = fullName;
		this.document = new ImmutableDocument(source, System.currentTimeMillis());
		
		this.id = "r:" + this.process.getLabel(Tool.DEFAULT_LABEL) + '-'+  //$NON-NLS-1$
				this.process.getStartupTimestamp() + '/' +
				this.fullName + '-' + source.hashCode();
	}
	
	
	@Override
	public String getId() {
		return this.id;
	}
	
	public RProcess getProcess() {
		return this.process;
	}
	
	@Override
	public String getName() {
		return this.name;
	}
	
	@Override
	public String getFullName() {
		return this.fullName;
	}
	
	@Override
	public AbstractDocument getDocument() {
		return this.document;
	}
	
	
	@Override
	@SuppressWarnings("unchecked")
	public <T> T getAdapter(final Class<T> adapterType) {
		if (adapterType == ToolProcess.class) {
			return (T) this.process;
		}
		if (adapterType == REnv.class) {
			return this.process.getAdapter((Class<T>) REnv.class);
		}
		return null;
	}
	
	
	@Override
	public int hashCode() {
		return this.id.hashCode();
	}
	
	@Override
	public boolean equals(final Object obj) {
		if (this == obj) {
			return true;
		}
		if (!(obj instanceof RRuntimeSourceFragment)) {
			return false;
		}
		final RRuntimeSourceFragment other = (RRuntimeSourceFragment) obj;
		return (this.id.equals(other.id)
				&& this.process.equals(other.process)
				&& this.fullName.equals(other.fullName)
				&& this.document.equals(other.document) );
	}
	
	@Override
	public String toString() {
		return this.fullName;
	}
	
}