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ComparableForeignKeyFieldImpl.java
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/
ComparableForeignKeyFieldImpl.java
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/**
*
* Copyright (c) 2006-2016, Speedment, Inc. All Rights Reserved.
*
* 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:
*
* 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 com.speedment.runtime.field.internal;
import com.speedment.runtime.config.identifier.ColumnIdentifier;
import com.speedment.runtime.config.identifier.TableIdentifier;
import com.speedment.runtime.field.ComparableForeignKeyField;
import com.speedment.runtime.field.comparator.FieldComparator;
import com.speedment.runtime.field.internal.comparator.NullOrder;
import com.speedment.runtime.field.internal.comparator.ReferenceFieldComparatorImpl;
import com.speedment.runtime.field.internal.method.BackwardFinderImpl;
import com.speedment.runtime.field.internal.method.FindFromReference;
import com.speedment.runtime.field.internal.predicate.reference.*;
import com.speedment.runtime.field.method.BackwardFinder;
import com.speedment.runtime.field.method.FindFrom;
import com.speedment.runtime.field.method.ReferenceGetter;
import com.speedment.runtime.field.method.ReferenceSetter;
import com.speedment.runtime.field.predicate.FieldPredicate;
import com.speedment.runtime.field.predicate.Inclusion;
import com.speedment.runtime.field.trait.HasComparableOperators;
import com.speedment.runtime.typemapper.TypeMapper;
import static java.util.Objects.requireNonNull;
import java.util.Set;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Stream;
/**
* @param <ENTITY> the entity type
* @param <D> the database type
* @param <V> the field type
* @param <FK_ENTITY> the foreign entity type
*
* @author Emil Forslund
* @author Per Minborg
*
* @since 2.2.0
*/
public final class ComparableForeignKeyFieldImpl<ENTITY, D, V extends Comparable<? super V>, FK_ENTITY>
implements ComparableForeignKeyField<ENTITY, D, V, FK_ENTITY> {
private final ColumnIdentifier<ENTITY> identifier;
private final ReferenceGetter<ENTITY, V> getter;
private final ReferenceSetter<ENTITY, V> setter;
private final HasComparableOperators<FK_ENTITY, V> referenced;
private final TypeMapper<D, V> typeMapper;
private final boolean unique;
public ComparableForeignKeyFieldImpl(
ColumnIdentifier<ENTITY> identifier,
ReferenceGetter<ENTITY, V> getter,
ReferenceSetter<ENTITY, V> setter,
HasComparableOperators<FK_ENTITY, V> referenced,
TypeMapper<D, V> typeMapper,
boolean unique) {
this.identifier = requireNonNull(identifier);
this.getter = requireNonNull(getter);
this.setter = requireNonNull(setter);
this.referenced = requireNonNull(referenced);
this.typeMapper = requireNonNull(typeMapper);
this.unique = unique;
}
/*****************************************************************/
/* Getters */
/*****************************************************************/
@Override
public ColumnIdentifier<ENTITY> identifier() {
return identifier;
}
@Override
public ReferenceSetter<ENTITY, V> setter() {
return setter;
}
@Override
public ReferenceGetter<ENTITY, V> getter() {
return getter;
}
@Override
public HasComparableOperators<FK_ENTITY, V> getReferencedField() {
return referenced;
}
@Override
public BackwardFinder<FK_ENTITY, ENTITY> backwardFinder(TableIdentifier<ENTITY> identifier, Supplier<Stream<ENTITY>> streamSupplier) {
return new BackwardFinderImpl<>(this, identifier, streamSupplier);
}
@Override
public FindFrom<ENTITY, FK_ENTITY> finder(TableIdentifier<FK_ENTITY> identifier, Supplier<Stream<FK_ENTITY>> streamSupplier) {
return new FindFromReference<>(this, referenced, identifier, streamSupplier);
}
@Override
public TypeMapper<D, V> typeMapper() {
return typeMapper;
}
@Override
public boolean isUnique() {
return unique;
}
/*****************************************************************/
/* Comparators */
/*****************************************************************/
@Override
public FieldComparator<ENTITY, V> comparator() {
return new ReferenceFieldComparatorImpl<>(this, NullOrder.NONE);
}
@Override
public FieldComparator<ENTITY, V> comparatorNullFieldsFirst() {
return new ReferenceFieldComparatorImpl<>(this, NullOrder.FIRST);
}
@Override
public FieldComparator<ENTITY, V> comparatorNullFieldsLast() {
return new ReferenceFieldComparatorImpl<>(this, NullOrder.LAST);
}
/*****************************************************************/
/* Operators */
/*****************************************************************/
@Override
public FieldPredicate<ENTITY> isNull() {
return new ReferenceIsNullPredicate<>(this);
}
@Override
public FieldPredicate<ENTITY> equal(V value) {
return new ReferenceEqualPredicate<>(this, value);
}
@Override
public Predicate<ENTITY> greaterThan(V value) {
return new ReferenceGreaterThanPredicate<>(this, value);
}
@Override
public Predicate<ENTITY> greaterOrEqual(V value) {
return new ReferenceGreaterOrEqualPredicate<>(this, value);
}
@Override
public Predicate<ENTITY> between(V start, V end, Inclusion inclusion) {
return new ReferenceBetweenPredicate<>(this, start, end, inclusion);
}
@Override
public Predicate<ENTITY> in(Set<V> values) {
return new ReferenceInPredicate<>(this, values);
}
@Override
public Predicate<ENTITY> notEqual(V value) {
return new ReferenceNotEqualPredicate<>(this, value);
}
@Override
public Predicate<ENTITY> lessThan(V value) {
return new ReferenceLessThanPredicate<>(this, value);
}
@Override
public Predicate<ENTITY> lessOrEqual(V value) {
return new ReferenceLessOrEqualPredicate<>(this, value);
}
@Override
public Predicate<ENTITY> notBetween(V start, V end, Inclusion inclusion) {
return new ReferenceNotBetweenPredicate<>(this, start, end, inclusion);
}
@Override
public Predicate<ENTITY> notIn(Set<V> values) {
return new ReferenceNotInPredicate<>(this, values);
}
}