/*
 * Licensed to Crate.io Inc. ("Crate.io") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate.io 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.
 *
 * To enable or use any of the enterprise features, Crate.io must have given
 * you permission to enable and use the Enterprise Edition of CrateDB and you
 * must have a valid Enterprise or Subscription Agreement with Crate.io.  If
 * you enable or use features that are part of the Enterprise Edition, you
 * represent and warrant that you have a valid Enterprise or Subscription
 * Agreement with Crate.io.  Your use of features of the Enterprise Edition
 * is governed by the terms and conditions of your Enterprise or Subscription
 * Agreement with Crate.io.
 */

package io.crate.operation.udf;

import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.ValidateActions;
import org.elasticsearch.action.support.master.MasterNodeRequest;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

import java.io.IOException;

public class CreateUserDefinedFunctionRequest extends MasterNodeRequest<CreateUserDefinedFunctionRequest> {

    private UserDefinedFunctionMetaData userDefinedFunctionMetaData;
    private boolean replace;

    public CreateUserDefinedFunctionRequest() {
    }

    public CreateUserDefinedFunctionRequest(UserDefinedFunctionMetaData userDefinedFunctionMetaData,
                                            boolean replace) {
        this.userDefinedFunctionMetaData = userDefinedFunctionMetaData;
        this.replace = replace;
    }

    public UserDefinedFunctionMetaData userDefinedFunctionMetaData() {
        return userDefinedFunctionMetaData;
    }

    boolean replace() {
        return replace;
    }

    @Override
    public ActionRequestValidationException validate() {
        if (userDefinedFunctionMetaData == null) {
            return ValidateActions.addValidationError("userDefinedFunctionMetaData is missing", null);
        }
        return null;
    }

    @Override
    public void readFrom(StreamInput in) throws IOException {
        super.readFrom(in);
        userDefinedFunctionMetaData = UserDefinedFunctionMetaData.fromStream(in);
        replace = in.readBoolean();
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        userDefinedFunctionMetaData.writeTo(out);
        out.writeBoolean(replace);
    }
}