de.huberlin.cuneiform.language.ForMethod.java Source code

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Here is the source code for de.huberlin.cuneiform.language.ForMethod.java

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/*******************************************************************************
 * In the Hi-WAY project we propose a novel approach of executing scientific
 * workflows processing Big Data, as found in NGS applications, on distributed
 * computational infrastructures. The Hi-WAY software stack comprises the func-
 * tional workflow language Cuneiform as well as the Hi-WAY ApplicationMaster
 * for Apache Hadoop 2.x (YARN).
 *
 * List of Contributors:
 *
 * Jrgen Brandt (HU Berlin)
 * Marc Bux (HU Berlin)
 * Ulf Leser (HU Berlin)
 *
 * Jrgen Brandt is funded by the European Commission through the BiobankCloud
 * project. Marc Bux is funded by the Deutsche Forschungsgemeinschaft through
 * research training group SOAMED (GRK 1651).
 *
 * Copyright 2014 Humboldt-Universitt zu Berlin
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package de.huberlin.cuneiform.language;

import org.antlr.v4.runtime.Token;

public class ForMethod extends Method {

    public ForMethod(int line, String varName) {
        super(line);
        setVar(varName);
    }

    public ForMethod(Token idToken) {
        this(idToken.getLine(), idToken.getText());
    }

    public String getVar() {

        if (varSetSize() > 1)
            throw new RuntimeException("For-method in inconsistent state. Expected exactly one "
                    + "variable. Found " + varSetSize() + ".");

        for (String var : getVarSet())
            return var;

        throw new RuntimeException("For-method in inconsistent state. No parameter name " + "defined.");
    }

    @Override
    public void addVar(String varName) {

        if (varSetSize() > 0)
            throw new RuntimeException("Variable in for-method already set.");

        super.addVar(varName);
    }

    public void setVar(String varName) {

        clearVarSet();
        addVar(varName);
    }
}