com.qwazr.search.field.FieldTypeAbstract.java Source code

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Here is the source code for com.qwazr.search.field.FieldTypeAbstract.java

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/**
 * Copyright 2015-2016 Emmanuel Keller / QWAZR
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.qwazr.search.field;

import com.qwazr.search.index.FieldConsumer;
import jdk.nashorn.api.scripting.JSObject;
import org.apache.lucene.index.FieldInfo;
import org.apache.lucene.index.FieldInfos;
import org.apache.lucene.index.LeafReader;

import java.io.IOException;
import java.util.Collection;

abstract class FieldTypeAbstract implements FieldTypeInterface {

    final protected String fieldName;
    final protected FieldDefinition fieldDef;

    protected FieldTypeAbstract(final String fieldName, final FieldDefinition fieldDef) {
        this.fieldName = fieldName;
        this.fieldDef = fieldDef;
    }

    final private void fillArray(final int[] values, final FieldConsumer consumer) {
        for (int value : values)
            fill(value, consumer);
    }

    final private void fillArray(final long[] values, final FieldConsumer consumer) {
        for (long value : values)
            fill(value, consumer);
    }

    final private void fillArray(final double[] values, final FieldConsumer consumer) {
        for (double value : values)
            fill(value, consumer);
    }

    final private void fillArray(final float[] values, final FieldConsumer consumer) {
        for (float value : values)
            fill(value, consumer);
    }

    final private void fillArray(final Object[] values, final FieldConsumer consumer) {
        for (Object value : values)
            fill(value, consumer);
    }

    final private void fillArray(final String[] values, final FieldConsumer consumer) {
        for (String value : values)
            fill(value, consumer);
    }

    final private void fillCollection(final Collection<Object> values, final FieldConsumer consumer) {
        values.forEach(value -> {
            if (value != null)
                fill(value, consumer);
        });
    }

    final private void fillJSObject(final JSObject values, final FieldConsumer consumer) {
        fillCollection(values.values(), consumer);
    }

    final public void fill(final Object value, final FieldConsumer fieldConsumer) {
        if (value == null)
            return;
        if (value instanceof String[])
            fillArray((String[]) value, fieldConsumer);
        else if (value instanceof int[])
            fillArray((int[]) value, fieldConsumer);
        else if (value instanceof long[])
            fillArray((long[]) value, fieldConsumer);
        else if (value instanceof double[])
            fillArray((double[]) value, fieldConsumer);
        else if (value instanceof float[])
            fillArray((float[]) value, fieldConsumer);
        else if (value instanceof Object[])
            fillArray((Object[]) value, fieldConsumer);
        else if (value instanceof Collection)
            fillCollection((Collection) value, fieldConsumer);
        else if (value instanceof JSObject)
            fillJSObject((JSObject) value, fieldConsumer);
        else
            fillValue(value, fieldConsumer);
    }

    public ValueConverter getConverter(final LeafReader leafReader) throws IOException {
        FieldInfos fieldInfos = leafReader.getFieldInfos();
        if (fieldInfos == null)
            return null;
        FieldInfo fieldInfo = fieldInfos.fieldInfo(fieldName);
        if (fieldInfo == null)
            return null;
        return ValueConverter.newConverter(fieldDef, leafReader, fieldInfo);
    }

}