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Cassandra support for Spring Data
/*
* Copyright 2016-2020 the original author or authors.
*
* 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
*
* https://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.springframework.data.cassandra.core.convert;
import java.sql.Date;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.joda.time.LocalDateTime;
import org.joda.time.LocalTime;
import org.springframework.core.convert.converter.Converter;
import org.springframework.data.convert.WritingConverter;
import org.springframework.util.ClassUtils;
/**
* Helper class to register JSR-310 specific {@link Converter} implementations to convert between Cassandra types in
* case the library is present on the classpath.
*
* @author Mark Paluch
* @since 1.5
* @deprecated since 3.0, use JSR-310 types as replacement for Joda-Time.
*/
@Deprecated
public abstract class CassandraJodaTimeConverters {
private static final boolean JODA_TIME_IS_PRESENT = ClassUtils.isPresent("org.joda.time.LocalDate", null);
private CassandraJodaTimeConverters() {}
/**
* Returns the converters to be registered. Will only return converters in case JodaTime is present on the class path.
*
* @return a {@link Collection} of Joda Time {@link Converter Converters} to register.
* @see org.springframework.core.convert.converter.Converter
* @see java.util.Collection
* @see org.joda.time
*/
public static Collection> getConvertersToRegister() {
if (!JODA_TIME_IS_PRESENT) {
return Collections.emptySet();
}
List> converters = new ArrayList<>();
converters.add(MillisOfDayToLocalTimeConverter.INSTANCE);
converters.add(FromJodaLocalTimeConverter.INSTANCE);
converters.add(ToJodaLocalTimeConverter.INSTANCE);
converters.add(FromJodaLocalDateConverter.INSTANCE);
converters.add(ToJodaLocalDateConverter.INSTANCE);
converters.add(LocalDateTimeToInstantConverter.INSTANCE);
converters.add(InstantToLocalDateTimeConverter.INSTANCE);
converters.add(DateTimeToInstantConverter.INSTANCE);
converters.add(InstantToDateTimeConverter.INSTANCE);
return converters;
}
/**
* Simple singleton to convert {@link Long}s to their {@link LocalTime} representation.
*
* @author Mark Paluch
*/
@Deprecated
public enum MillisOfDayToLocalTimeConverter implements Converter {
INSTANCE;
@Override
public LocalTime convert(Long source) {
return LocalTime.fromMillisOfDay(source);
}
}
/**
* Simple singleton to convert {@link LocalTime}s to their {@link Long} representation.
*
* @author Mark Paluch
*/
@Deprecated
public enum LocalTimeToMillisOfDayConverter implements Converter {
INSTANCE;
@Override
public Long convert(LocalTime source) {
return (long) source.getMillisOfDay();
}
}
/**
* Simple singleton to convert {@link LocalTime}s to their {@link java.time.LocalTime} representation.
*
* @author Mark Paluch
*/
@WritingConverter
@Deprecated
public enum FromJodaLocalTimeConverter implements Converter {
INSTANCE;
@Override
public java.time.LocalTime convert(LocalTime source) {
return java.time.LocalTime.ofNanoOfDay(TimeUnit.MILLISECONDS.toNanos(source.getMillisOfDay()));
}
}
/**
* Simple singleton to convert {@link java.time.LocalTime}s to their {@link LocalTime} representation.
*
* @author Mark Paluch
*/
@Deprecated
public enum ToJodaLocalTimeConverter implements Converter {
INSTANCE;
@Override
public LocalTime convert(java.time.LocalTime source) {
return LocalTime.fromMillisOfDay(TimeUnit.NANOSECONDS.toMillis(source.toNanoOfDay()));
}
}
/**
* Simple singleton to convert {@link LocalTime}s to their {@link java.time.LocalDate} representation.
*
* @author Mark Paluch
*/
@WritingConverter
@Deprecated
public enum FromJodaLocalDateConverter implements Converter {
INSTANCE;
@Override
public java.time.LocalDate convert(LocalDate date) {
return java.time.LocalDate.of(date.getYear(), date.getMonthOfYear(), date.getDayOfMonth());
}
}
/**
* Simple singleton to convert {@link java.time.LocalTime}s to their {@link LocalDate} representation.
*
* @author Mark Paluch
*/
@Deprecated
public enum ToJodaLocalDateConverter implements Converter {
INSTANCE;
@Override
public LocalDate convert(java.time.LocalDate date) {
return new LocalDate(date.getYear(), date.getMonthValue(), date.getDayOfMonth());
}
}
/**
* Simple singleton to convert {@link LocalDateTime}s to their {@link java.time.Instant} representation.
*
* @since 3.0
*/
@Deprecated
public enum LocalDateTimeToInstantConverter implements Converter {
INSTANCE;
@Override
public java.time.Instant convert(LocalDateTime source) {
return source.toDate().toInstant();
}
}
/**
* Simple singleton to convert {@link java.time.Instant}s to their {@link LocalDateTime} representation.
*
* @since 3.0
*/
@Deprecated
public enum InstantToLocalDateTimeConverter implements Converter {
INSTANCE;
@Override
public LocalDateTime convert(java.time.Instant source) {
return new LocalDateTime(Date.from(source));
}
}
/**
* Simple singleton to convert {@link DateTime}s to their {@link java.time.Instant} representation.
*
* @since 3.0
*/
@Deprecated
public enum DateTimeToInstantConverter implements Converter {
INSTANCE;
@Override
public java.time.Instant convert(DateTime source) {
return source.toDate().toInstant();
}
}
/**
* Simple singleton to convert {@link java.time.Instant}s to their {@link DateTime} representation.
*
* @since 3.0
*/
@Deprecated
public enum InstantToDateTimeConverter implements Converter {
INSTANCE;
@Override
public DateTime convert(java.time.Instant source) {
return new DateTime(Date.from(source));
}
}
}