
org.btrplace.btrpsl.constraint.migration.SerializeBuilder Maven / Gradle / Ivy
/*
* Copyright (c) 2014 University Nice Sophia Antipolis
*
* This file is part of btrplace.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see .
*/
package org.btrplace.btrpsl.constraint.migration;
import org.btrplace.btrpsl.constraint.ConstraintParam;
import org.btrplace.btrpsl.constraint.DefaultSatConstraintBuilder;
import org.btrplace.btrpsl.constraint.ListOfParam;
import org.btrplace.btrpsl.element.BtrpOperand;
import org.btrplace.btrpsl.tree.BtrPlaceTree;
import org.btrplace.model.VM;
import org.btrplace.model.constraint.SatConstraint;
import org.btrplace.model.constraint.migration.Serialize;
import java.util.Collections;
import java.util.List;
/**
* A builder for {@link org.btrplace.model.constraint.migration.Serialize} constraints.
*
* @author Vincent Kherbache
*/
public class SerializeBuilder extends DefaultSatConstraintBuilder {
/**
* Make a new builder.
*/
public SerializeBuilder() {
super("serialize", new ConstraintParam[]{new ListOfParam("$vms", 1, BtrpOperand.Type.VM, false)});
}
/**
* Build a serialize constraint.
*
* @param t the current tree
* @param args must be 1 set of vms. The set must not be empty
* @return a constraint
*/
public List buildConstraint(BtrPlaceTree t, List args) {
if (!checkConformance(t, args)) {
return Collections.emptyList();
}
List s = (List) params[0].transform(this, t, args.get(0));
if (s == null) {
return Collections.emptyList();
}
if (s.size() < 2) {
t.ignoreError("Parameter '" + params[0].getName() + "' expects a list of at least 2 VMs");
return Collections.emptyList();
}
return (List) Collections.singletonList(new Serialize(s));
}
}
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