com.mapr.synth.samplers.FieldSampler.java Source code

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Here is the source code for com.mapr.synth.samplers.FieldSampler.java

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/*
 * Licensed to the Ted Dunning under one or more contributor license
 * agreements.  See the NOTICE file that may be
 * distributed with this work for additional information
 * regarding copyright ownership.  Ted Dunning 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.
 */

package com.mapr.synth.samplers;

import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.mapr.synth.OperatingSystemSampler;
import org.apache.mahout.math.random.Sampler;

import java.io.IOException;

@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "class")
@JsonSubTypes({ @JsonSubTypes.Type(value = AddressSampler.class, name = "address"),
        @JsonSubTypes.Type(value = DateSampler.class, name = "date"),
        @JsonSubTypes.Type(value = ArrivalSampler.class, name = "event"),
        @JsonSubTypes.Type(value = ForeignKeySampler.class, name = "foreign-key"),
        @JsonSubTypes.Type(value = IdSampler.class, name = "id"),
        @JsonSubTypes.Type(value = IntegerSampler.class, name = "int"),
        @JsonSubTypes.Type(value = NameSampler.class, name = "name"),
        @JsonSubTypes.Type(value = FileSampler.class, name = "lookup"),
        @JsonSubTypes.Type(value = FlattenSampler.class, name = "flatten"),
        @JsonSubTypes.Type(value = ArrayFlattener.class, name = "array-flatten"),
        @JsonSubTypes.Type(value = JoinSampler.class, name = "join"),
        @JsonSubTypes.Type(value = MapSampler.class, name = "map"),
        @JsonSubTypes.Type(value = StreetNameSampler.class, name = "street-name"),
        @JsonSubTypes.Type(value = StringSampler.class, name = "string"),
        @JsonSubTypes.Type(value = CountrySampler.class, name = "country"),
        @JsonSubTypes.Type(value = BrowserSampler.class, name = "browser"),
        @JsonSubTypes.Type(value = StateSampler.class, name = "state"),
        @JsonSubTypes.Type(value = LanguageSampler.class, name = "language"),
        @JsonSubTypes.Type(value = OperatingSystemSampler.class, name = "os"),
        @JsonSubTypes.Type(value = UUIDSampler.class, name = "uuid"),
        @JsonSubTypes.Type(value = WordSampler.class, name = "word"),
        @JsonSubTypes.Type(value = VinSampler.class, name = "vin"),
        @JsonSubTypes.Type(value = ZipSampler.class, name = "zip"),
        @JsonSubTypes.Type(value = SsnSampler.class, name = "ssn"),
        @JsonSubTypes.Type(value = GammaSampler.class, name = "gamma"),
        @JsonSubTypes.Type(value = RandomWalkSampler.class, name = "random-walk"),

        @JsonSubTypes.Type(value = SequenceSampler.class, name = "sequence"),

        @JsonSubTypes.Type(value = CommonPointOfCompromise.class, name = "common-point-of-compromise") })
public abstract class FieldSampler implements Sampler<JsonNode> {
    private String name;
    private boolean flattener = false;

    public static FieldSampler newSampler(String def) throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        mapper.configure(JsonParser.Feature.ALLOW_COMMENTS, true);
        mapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
        mapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);

        return mapper.readValue(def, new TypeReference<FieldSampler>() {
        });
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setFlattener(boolean flattener) {
        this.flattener = flattener;
    }

    public boolean isFlat() {
        return flattener;
    }
}