/*
 * Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate licenses
 * this file to you 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package io.crate.operator.scalar;

import com.google.common.collect.ImmutableList;
import io.crate.metadata.FunctionIdent;
import io.crate.metadata.FunctionInfo;
import io.crate.metadata.Scalar;
import io.crate.operator.Input;
import io.crate.planner.symbol.Function;
import io.crate.planner.symbol.Symbol;
import org.cratedb.DataType;
import org.elasticsearch.common.inject.Inject;

public class MatchFunction implements Scalar<Boolean, Object> {

    public static final String NAME = "match";

    public static void register(ScalarFunctionModule module) {
        for (DataType dataType : ImmutableList.of(DataType.NULL, DataType.STRING)) {
            FunctionIdent functionIdent = new FunctionIdent(MatchFunction.NAME, ImmutableList.of(dataType, DataType.STRING));
            module.registerScalarFunction(new MatchFunction(new FunctionInfo(functionIdent, DataType.BOOLEAN)));
        }
    }

    private final FunctionInfo info;

    @Inject
    public MatchFunction(FunctionInfo info) {
        this.info = info;
    }

    @Override
    public Boolean evaluate(Input<Object>... args) {
        throw new UnsupportedOperationException();
    }

    @Override
    public FunctionInfo info() {
        return info;
    }

    @Override
    public Symbol normalizeSymbol(Function function) {
        return function;
    }
}

@@ -1171,19 +1171,29 @@
 unctionI
-nfo
+mplementation
 ;%0Aimport
@@ -1215,46 +1215,20 @@
 ata.
-Scalar;%0Aimport io.crate.operator.Input
+FunctionInfo
 ;%0Aim
@@ -1424,30 +1424,39 @@
 nts 
-Scalar%3CBoolean, Object
+FunctionImplementation%3CFunction
 %3E %7B%0A
@@ -2041,133 +2041,8 @@
  %7D%0A%0A
-    @Override%0A    public Boolean evaluate(Input%3CObject%3E... args) %7B%0A        throw new UnsupportedOperationException();%0A    %7D%0A%0A
     

implement FunctionImplementation, not Scalar