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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

package com.kenshoo.pl.entity.internal.validators;

import com.kenshoo.pl.entity.CurrentEntityState;
import com.kenshoo.pl.entity.EntityChange;
import com.kenshoo.pl.entity.EntityField;
import com.kenshoo.pl.entity.EntityType;
import com.kenshoo.pl.entity.SupportedChangeOperation;
import com.kenshoo.pl.entity.ValidationError;
import com.kenshoo.pl.entity.spi.FieldValidator;

import java.util.stream.Stream;

public class FieldValidationAdapter, T> implements EntityChangeValidator {

    private final FieldValidator validator;

    public FieldValidationAdapter(FieldValidator validator) {
        this.validator = validator;
    }

    @Override
    public Stream> validatedFields() {
        return Stream.of(validator.validatedField());
    }

    @Override
    public SupportedChangeOperation getSupportedChangeOperation() {
        return SupportedChangeOperation.CREATE_AND_UPDATE;
    }

    @Override
    public Stream> fetchFields() {
        return Stream.empty();
    }

    @Override
    public ValidationError validate(EntityChange entityChange, CurrentEntityState currentState) {
        if (entityChange.isFieldChanged(validator.validatedField())) {
            return validator.validate(entityChange.get(validator.validatedField()));
        } else {
            return null;
        }
    }
}