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Module contains external API of the evitaDB.
/*
*
* _ _ ____ ____
* _____ _(_) |_ __ _| _ \| __ )
* / _ \ \ / / | __/ _` | | | | _ \
* | __/\ V /| | || (_| | |_| | |_) |
* \___| \_/ |_|\__\__,_|____/|____/
*
* Copyright (c) 2023-2024
*
* Licensed under the Business Source License, Version 1.1 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://github.com/FgForrest/evitaDB/blob/master/LICENSE
*
* 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 io.evitadb.api.requestResponse.schema.mutation.reference;
import io.evitadb.api.exception.InvalidSchemaMutationException;
import io.evitadb.api.requestResponse.schema.Cardinality;
import io.evitadb.api.requestResponse.schema.CatalogSchemaContract;
import io.evitadb.api.requestResponse.schema.EntitySchemaContract;
import io.evitadb.api.requestResponse.schema.NamedSchemaContract;
import io.evitadb.api.requestResponse.schema.NamedSchemaWithDeprecationContract;
import io.evitadb.api.requestResponse.schema.ReferenceSchemaContract;
import io.evitadb.api.requestResponse.schema.builder.InternalSchemaBuilderHelper.MutationCombinationResult;
import io.evitadb.api.requestResponse.schema.dto.EntitySchema;
import io.evitadb.api.requestResponse.schema.dto.ReferenceSchema;
import io.evitadb.api.requestResponse.schema.mutation.CombinableEntitySchemaMutation;
import io.evitadb.api.requestResponse.schema.mutation.EntitySchemaMutation;
import io.evitadb.api.requestResponse.schema.mutation.ReferenceSchemaMutation;
import io.evitadb.api.requestResponse.schema.mutation.attribute.RemoveAttributeSchemaMutation;
import io.evitadb.api.requestResponse.schema.mutation.sortableAttributeCompound.RemoveSortableAttributeCompoundSchemaMutation;
import io.evitadb.dataType.ClassifierType;
import io.evitadb.exception.GenericEvitaInternalError;
import io.evitadb.utils.Assert;
import io.evitadb.utils.ClassifierUtils;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.ThreadSafe;
import java.io.Serial;
import java.util.Collections;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Mutation is responsible for setting up a new {@link ReferenceSchemaContract} in the {@link EntitySchemaContract}.
* Mutation can be used for altering also the existing {@link ReferenceSchemaContract} alone.
* Mutation implements {@link CombinableEntitySchemaMutation} allowing to resolve conflicts with
* {@link RemoveReferenceSchemaMutation} mutation (if such is found in mutation pipeline).
*
* @author Jan Novotný ([email protected]), FG Forrest a.s. (c) 2022
*/
@ThreadSafe
@Immutable
@EqualsAndHashCode
public class CreateReferenceSchemaMutation implements ReferenceSchemaMutation, CombinableEntitySchemaMutation {
@Serial private static final long serialVersionUID = -1736213837309810284L;
@Getter @Nonnull private final String name;
@Getter @Nullable private final String description;
@Getter @Nullable private final String deprecationNotice;
@Getter @Nonnull private final Cardinality cardinality;
@Getter @Nonnull private final String referencedEntityType;
@Getter private final boolean referencedEntityTypeManaged;
@Getter @Nullable private final String referencedGroupType;
@Getter private final boolean referencedGroupTypeManaged;
@Getter private final boolean indexed;
@Getter private final boolean faceted;
public CreateReferenceSchemaMutation(
@Nonnull String name,
@Nullable String description,
@Nullable String deprecationNotice,
@Nullable Cardinality cardinality,
@Nonnull String referencedEntityType,
boolean referencedEntityTypeManaged,
@Nullable String referencedGroupType,
boolean referencedGroupTypeManaged,
boolean indexed,
boolean faceted
) {
ClassifierUtils.validateClassifierFormat(ClassifierType.REFERENCE, name);
ClassifierUtils.validateClassifierFormat(ClassifierType.ENTITY, referencedEntityType);
this.name = name;
this.description = description;
this.deprecationNotice = deprecationNotice;
this.cardinality = cardinality == null ? Cardinality.ZERO_OR_MORE : cardinality;
this.referencedEntityType = referencedEntityType;
this.referencedEntityTypeManaged = referencedEntityTypeManaged;
this.referencedGroupType = referencedGroupType;
this.referencedGroupTypeManaged = referencedGroupTypeManaged;
this.indexed = indexed;
this.faceted = faceted;
}
@Nullable
@Override
public MutationCombinationResult combineWith(@Nonnull CatalogSchemaContract currentCatalogSchema, @Nonnull EntitySchemaContract currentEntitySchema, @Nonnull EntitySchemaMutation existingMutation) {
// when the reference schema was removed before and added again, we may remove both operations
// and leave only operations that reset the original settings do defaults
if (existingMutation instanceof RemoveReferenceSchemaMutation removeReferenceMutation && Objects.equals(removeReferenceMutation.getName(), name)) {
final ReferenceSchemaContract createdVersion = mutate(currentEntitySchema, null);
final ReferenceSchemaContract existingVersion = currentEntitySchema.getReference(name)
.orElseThrow(() -> new GenericEvitaInternalError("Sanity check!"));
return new MutationCombinationResult<>(
null,
Stream.of(
Stream.of(
makeMutationIfDifferent(
createdVersion, existingVersion,
NamedSchemaContract::getDescription,
newValue -> new ModifyReferenceSchemaDescriptionMutation(name, newValue)
),
makeMutationIfDifferent(
createdVersion, existingVersion,
NamedSchemaWithDeprecationContract::getDeprecationNotice,
newValue -> new ModifyReferenceSchemaDeprecationNoticeMutation(name, newValue)
),
makeMutationIfDifferent(
createdVersion, existingVersion,
ReferenceSchemaContract::getCardinality,
newValue -> new ModifyReferenceSchemaCardinalityMutation(name, newValue)
),
makeMutationIfDifferent(
createdVersion, existingVersion,
ReferenceSchemaContract::getReferencedEntityType,
newValue -> new ModifyReferenceSchemaRelatedEntityMutation(name, newValue, referencedEntityTypeManaged)
),
makeMutationIfDifferent(
createdVersion, existingVersion,
ReferenceSchemaContract::getReferencedGroupType,
newValue -> new ModifyReferenceSchemaRelatedEntityGroupMutation(name, newValue, referencedGroupTypeManaged)
),
makeMutationIfDifferent(
createdVersion, existingVersion,
ReferenceSchemaContract::isIndexed,
newValue -> new SetReferenceSchemaIndexedMutation(name, newValue)
),
makeMutationIfDifferent(
createdVersion, existingVersion,
ReferenceSchemaContract::isFaceted,
newValue -> new SetReferenceSchemaFacetedMutation(name, newValue)
)
),
existingVersion.getAttributes()
.values()
.stream()
.map(attribute -> new ModifyReferenceAttributeSchemaMutation(name, new RemoveAttributeSchemaMutation(attribute.getName()))),
existingVersion.getSortableAttributeCompounds()
.values()
.stream()
.map(attribute -> new ModifyReferenceSortableAttributeCompoundSchemaMutation(name, new RemoveSortableAttributeCompoundSchemaMutation(attribute.getName())))
)
.flatMap(Function.identity())
.filter(Objects::nonNull)
.toArray(EntitySchemaMutation[]::new)
);
} else {
return null;
}
}
@Nonnull
@Override
public ReferenceSchemaContract mutate(@Nonnull EntitySchemaContract entitySchema, @Nullable ReferenceSchemaContract referenceSchema) {
return ReferenceSchema._internalBuild(
name, description, deprecationNotice,
referencedEntityType, referencedEntityTypeManaged,
cardinality,
referencedGroupType, referencedGroupTypeManaged,
indexed, faceted,
Collections.emptyMap(),
Collections.emptyMap()
);
}
@Nullable
@Override
public EntitySchemaContract mutate(@Nonnull CatalogSchemaContract catalogSchema, @Nullable EntitySchemaContract entitySchema) {
Assert.isPremiseValid(entitySchema != null, "Entity schema is mandatory!");
final ReferenceSchemaContract newReferenceSchema = this.mutate(entitySchema, null);
final Optional existingReferenceSchema = entitySchema.getReference(name);
if (existingReferenceSchema.isEmpty()) {
return EntitySchema._internalBuild(
entitySchema.version() + 1,
entitySchema.getName(),
entitySchema.getNameVariants(),
entitySchema.getDescription(),
entitySchema.getDeprecationNotice(),
entitySchema.isWithGeneratedPrimaryKey(),
entitySchema.isWithHierarchy(),
entitySchema.isWithPrice(),
entitySchema.getIndexedPricePlaces(),
entitySchema.getLocales(),
entitySchema.getCurrencies(),
entitySchema.getAttributes(),
entitySchema.getAssociatedData(),
Stream.concat(
entitySchema.getReferences().values().stream(),
Stream.of(newReferenceSchema)
)
.collect(
Collectors.toMap(
ReferenceSchemaContract::getName,
Function.identity()
)
),
entitySchema.getEvolutionMode(),
entitySchema.getSortableAttributeCompounds()
);
} else if (existingReferenceSchema.get().equals(newReferenceSchema)) {
// the mutation must have been applied previously - return the schema we don't need to alter
return entitySchema;
} else {
// ups, there is conflict in associated data settings
throw new InvalidSchemaMutationException(
"The reference `" + name + "` already exists in entity `" + entitySchema.getName() + "` schema and" +
" has different definition. To alter existing reference schema you need to use different mutations."
);
}
}
@Nullable
private static EntitySchemaMutation makeMutationIfDifferent(
@Nonnull ReferenceSchemaContract createdVersion,
@Nonnull ReferenceSchemaContract existingVersion,
@Nonnull Function propertyRetriever,
@Nonnull Function mutationCreator
) {
final T newValue = propertyRetriever.apply(createdVersion);
return Objects.equals(propertyRetriever.apply(existingVersion), newValue) ?
null : mutationCreator.apply(newValue);
}
@Override
public String toString() {
return "Create entity reference schema: " +
"name='" + name + '\'' +
", description='" + description + '\'' +
", deprecationNotice='" + deprecationNotice + '\'' +
", cardinality=" + cardinality +
", entityType='" + referencedEntityType + '\'' +
", referencedEntityTypeManaged=" + referencedEntityTypeManaged +
", groupType='" + referencedGroupType + '\'' +
", referencedGroupTypeManaged=" + referencedGroupTypeManaged +
", indexed=" + indexed +
", faceted=" + faceted;
}
}