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/*******************************************************************************
* Copyright (c) 2009, 2017 Cloudsmith Inc. 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:
* Cloudsmith Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.metadata.expression;
import java.util.HashSet;
import org.eclipse.equinox.p2.metadata.expression.IEvaluationContext;
public final class SetFunction extends Function {
public SetFunction(Expression[] operands) {
super(operands);
}
@Override
public Object evaluate(IEvaluationContext context) {
HashSet<Object> result = new HashSet<>();
for (int idx = 0; idx < operands.length; ++idx)
result.add(operands[idx].evaluate(context));
return result;
}
@Override
public String getOperator() {
return KEYWORD_SET;
}
boolean isCollection() {
return true;
}
}
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