/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.server.types.common.funcs;
import com.foundationdb.server.types.TClass;
import com.foundationdb.server.types.TOverloadResult;
import com.foundationdb.server.types.texpressions.TInputSetBuilder;
import com.foundationdb.server.types.texpressions.TScalarBase;
public abstract class Abs extends TScalarBase {
protected final TClass inputType;
public Abs(TClass returnType) {
this.inputType = returnType;
}
@Override
protected void buildInputSets(TInputSetBuilder builder) {
builder.covers(inputType, 0);
}
@Override
public String displayName() {
return "ABS";
}
@Override
public String[] registeredNames() {
return new String[] {"absolute", "abs"};
}
@Override
public TOverloadResult resultType() {
return TOverloadResult.fixed(inputType);
}
}