FileMetadataSource.java

/*
 * Copyright 2016 ANI Technologies Pvt. Ltd.
 *
 * 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 com.olacabs.fabric.executor.impl;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.olacabs.fabric.executor.MetadataSource;
import com.olacabs.fabric.model.computation.ComputationSpec;

import java.nio.file.Files;
import java.nio.file.Paths;

/**
 * TODO doc.
 */
public class FileMetadataSource implements MetadataSource {
    private final ObjectMapper objectMapper;

    public FileMetadataSource(ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    @Override
    public ComputationSpec load(String path) throws Exception {
        return objectMapper.readValue(Files.readAllBytes(Paths.get(path)), ComputationSpec.class);
    }
}