VectorRange.java

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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 org.elasticsearch.ml.modelinput;

import java.util.List;
import java.util.Map;

/*
* Maps one field to a (partial) vector.
* */

public abstract class VectorRange {

    protected String field;
    private String type;
    private String lastDerivedFieldName;

    public VectorRange(String field, String lastDerivedFieldName, String type) {

        this.field = field;
        this.lastDerivedFieldName = lastDerivedFieldName;
        this.type = type;
    }

    public abstract int size();

    public abstract EsVector getVector(DataSource dataSource);

    public abstract EsVector getVector(Map<String, List<Object>> fieldValues);

    public String getField() {
        return field;
    }

    public String getLastDerivedFieldName() {
        return lastDerivedFieldName;
    }

    public String getType() {
        return type;
    }
}