All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.kenshoo.pl.entity.internal.VirtualEntityFieldDbAdapter2 Maven / Gradle / Ivy

Go to download

A Java persistence layer based on JOOQ for high performance and business flow support.

There is a newer version: 0.1.121-jooq-3.16.3
Show newest version
package com.kenshoo.pl.entity.internal;

import com.kenshoo.jooq.DataTable;
import com.kenshoo.pl.entity.EntityFieldDbAdapter;
import org.jooq.Record;
import org.jooq.TableField;

import java.util.Iterator;
import java.util.function.BiFunction;
import java.util.stream.Stream;

public class VirtualEntityFieldDbAdapter2 implements EntityFieldDbAdapter {

    private final EntityFieldDbAdapter adapter1;
    private final EntityFieldDbAdapter adapter2;
    private final BiFunction combiningFunction;

    public VirtualEntityFieldDbAdapter2(EntityFieldDbAdapter adapter1, EntityFieldDbAdapter adapter2, BiFunction combiningFunction) {
        this.combiningFunction = combiningFunction;
        this.adapter1 = adapter1;
        this.adapter2 = adapter2;
    }

    @Override
    public DataTable getTable() {
        return adapter1.getTable();
    }

    @Override
    public Stream> getTableFields() {
        return Stream.of(adapter1, adapter2).flatMap(EntityFieldDbAdapter::getTableFields);
    }

    @Override
    public Stream getDbValues(T value) {
        throw new IllegalStateException("Virtual fields can not be written to the database");
    }

    @Override
    public Object getFirstDbValue(T value) {
        throw new IllegalStateException("Virtual fields can not be written to the database");
    }

    @Override
    public T getFromRecord(Iterator valuesIterator) {
        return combiningFunction.apply(adapter1.getFromRecord(valuesIterator), adapter2.getFromRecord(valuesIterator));
    }
}