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Module contains external API of the evitaDB.
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/*
*
* _ _ ____ ____
* _____ _(_) |_ __ _| _ \| __ )
* / _ \ \ / / | __/ _` | | | | _ \
* | __/\ 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.data.structure;
import io.evitadb.api.exception.ContextMissingException;
import io.evitadb.api.exception.ReferenceNotKnownException;
import io.evitadb.api.query.require.PriceContentMode;
import io.evitadb.api.requestResponse.data.*;
import io.evitadb.api.requestResponse.data.EntityEditor.EntityBuilder;
import io.evitadb.api.requestResponse.data.ReferenceEditor.ReferenceBuilder;
import io.evitadb.api.requestResponse.data.mutation.EntityMutation;
import io.evitadb.api.requestResponse.data.mutation.EntityMutation.EntityExistence;
import io.evitadb.api.requestResponse.data.mutation.EntityUpsertMutation;
import io.evitadb.api.requestResponse.data.mutation.LocalMutation;
import io.evitadb.api.requestResponse.data.mutation.associatedData.AssociatedDataMutation;
import io.evitadb.api.requestResponse.data.mutation.attribute.AttributeMutation;
import io.evitadb.api.requestResponse.data.mutation.attribute.RemoveAttributeMutation;
import io.evitadb.api.requestResponse.data.mutation.attribute.UpsertAttributeMutation;
import io.evitadb.api.requestResponse.data.mutation.parent.ParentMutation;
import io.evitadb.api.requestResponse.data.mutation.parent.RemoveParentMutation;
import io.evitadb.api.requestResponse.data.mutation.parent.SetParentMutation;
import io.evitadb.api.requestResponse.data.mutation.price.PriceMutation;
import io.evitadb.api.requestResponse.data.mutation.price.SetPriceInnerRecordHandlingMutation;
import io.evitadb.api.requestResponse.data.mutation.reference.InsertReferenceMutation;
import io.evitadb.api.requestResponse.data.mutation.reference.ReferenceAttributeMutation;
import io.evitadb.api.requestResponse.data.mutation.reference.ReferenceKey;
import io.evitadb.api.requestResponse.data.mutation.reference.ReferenceMutation;
import io.evitadb.api.requestResponse.data.mutation.reference.RemoveReferenceGroupMutation;
import io.evitadb.api.requestResponse.data.mutation.reference.RemoveReferenceMutation;
import io.evitadb.api.requestResponse.data.mutation.reference.SetReferenceGroupMutation;
import io.evitadb.api.requestResponse.data.structure.Price.PriceKey;
import io.evitadb.api.requestResponse.data.structure.SerializablePredicate.ExistsPredicate;
import io.evitadb.api.requestResponse.data.structure.predicate.AssociatedDataValueSerializablePredicate;
import io.evitadb.api.requestResponse.data.structure.predicate.AttributeValueSerializablePredicate;
import io.evitadb.api.requestResponse.data.structure.predicate.HierarchySerializablePredicate;
import io.evitadb.api.requestResponse.data.structure.predicate.LocaleSerializablePredicate;
import io.evitadb.api.requestResponse.data.structure.predicate.PriceContractSerializablePredicate;
import io.evitadb.api.requestResponse.data.structure.predicate.ReferenceContractSerializablePredicate;
import io.evitadb.api.requestResponse.schema.Cardinality;
import io.evitadb.api.requestResponse.schema.EntitySchemaContract;
import io.evitadb.api.requestResponse.schema.ReferenceSchemaContract;
import io.evitadb.dataType.DateTimeRange;
import io.evitadb.exception.GenericEvitaInternalError;
import io.evitadb.utils.Assert;
import lombok.Getter;
import lombok.experimental.Delegate;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.Serial;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.*;
import java.util.Map.Entry;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static java.util.Optional.of;
import static java.util.Optional.ofNullable;
/**
* Builder that is used to alter existing {@link Entity}. Entity is immutable object so there is need for another object
* that would simplify the process of updating its contents. This is why the builder class exists.
*
* This builder is suitable for the situation when there already is some entity at place, and we need to alter it.
*
* @author Jan Novotný ([email protected]), FG Forrest a.s. (c) 2021
*/
public class ExistingEntityBuilder implements EntityBuilder {
@Serial private static final long serialVersionUID = -1422927537304173188L;
/**
* This predicate filters out non-fetched locales.
*/
@Getter private final LocaleSerializablePredicate localePredicate;
/**
* This predicate filters out access to the hierarchy parent that were not fetched in query.
*/
@Getter private final HierarchySerializablePredicate hierarchyPredicate;
/**
* This predicate filters out attributes that were not fetched in query.
*/
@Getter private final AttributeValueSerializablePredicate attributePredicate;
/**
* This predicate filters out associated data that were not fetched in query.
*/
@Getter private final AssociatedDataValueSerializablePredicate associatedDataPredicate;
/**
* This predicate filters out references that were not fetched in query.
*/
@Getter private final ReferenceContractSerializablePredicate referencePredicate;
/**
* This predicate filters out prices that were not fetched in query.
*/
@Getter private final PriceContractSerializablePredicate pricePredicate;
private final Entity baseEntity;
private final EntityDecorator baseEntityDecorator;
@Delegate(types = AttributesContract.class, excludes = AttributesAvailabilityChecker.class)
private final ExistingEntityAttributesBuilder attributesBuilder;
@Delegate(types = AssociatedDataContract.class, excludes = AssociatedDataAvailabilityChecker.class)
private final ExistingAssociatedDataBuilder associatedDataBuilder;
@Delegate(types = PricesContract.class, excludes = Versioned.class)
private final ExistingPricesBuilder pricesBuilder;
private final Map>> referenceMutations;
private final Set removedReferences = new HashSet<>();
private ParentMutation hierarchyMutation;
private static void assertPricesFetched(PriceContractSerializablePredicate pricePredicate) {
Assert.isTrue(
pricePredicate.getPriceContentMode() == PriceContentMode.ALL,
"Prices were not fetched and cannot be updated. Please enrich the entity first or load it with all the prices."
);
}
public ExistingEntityBuilder(@Nonnull EntityDecorator baseEntity, @Nonnull Collection> localMutations) {
this.baseEntity = baseEntity.getDelegate();
this.baseEntityDecorator = baseEntity;
this.attributesBuilder = new ExistingEntityAttributesBuilder(this.baseEntity.schema, this.baseEntity.attributes, baseEntity.getAttributePredicate());
this.associatedDataBuilder = new ExistingAssociatedDataBuilder(this.baseEntity.schema, this.baseEntity.associatedData, baseEntity.getAssociatedDataPredicate());
this.pricesBuilder = new ExistingPricesBuilder(this.baseEntity.schema, this.baseEntity.prices, baseEntity.getPricePredicate());
this.referenceMutations = new HashMap<>();
this.localePredicate = baseEntity.getLocalePredicate();
this.hierarchyPredicate = baseEntity.getHierarchyPredicate();
this.attributePredicate = baseEntity.getAttributePredicate();
this.associatedDataPredicate = baseEntity.getAssociatedDataPredicate();
this.pricePredicate = baseEntity.getPricePredicate();
this.referencePredicate = baseEntity.getReferencePredicate();
for (LocalMutation localMutation : localMutations) {
addMutation(localMutation);
}
}
public ExistingEntityBuilder(@Nonnull EntityDecorator baseEntity) {
this(baseEntity, Collections.emptyList());
}
public ExistingEntityBuilder(@Nonnull Entity baseEntity, @Nonnull Collection> localMutations) {
this.baseEntity = baseEntity;
this.baseEntityDecorator = null;
this.attributesBuilder = new ExistingEntityAttributesBuilder(this.baseEntity.schema, this.baseEntity.attributes, ExistsPredicate.instance());
this.associatedDataBuilder = new ExistingAssociatedDataBuilder(this.baseEntity.schema, this.baseEntity.associatedData, ExistsPredicate.instance());
this.pricesBuilder = new ExistingPricesBuilder(this.baseEntity.schema, this.baseEntity.prices, new PriceContractSerializablePredicate());
this.referenceMutations = new HashMap<>();
this.localePredicate = LocaleSerializablePredicate.DEFAULT_INSTANCE;
this.hierarchyPredicate = HierarchySerializablePredicate.DEFAULT_INSTANCE;
this.attributePredicate = AttributeValueSerializablePredicate.DEFAULT_INSTANCE;
this.associatedDataPredicate = AssociatedDataValueSerializablePredicate.DEFAULT_INSTANCE;
this.pricePredicate = PriceContractSerializablePredicate.DEFAULT_INSTANCE;
this.referencePredicate = ReferenceContractSerializablePredicate.DEFAULT_INSTANCE;
for (LocalMutation localMutation : localMutations) {
addMutation(localMutation);
}
}
public ExistingEntityBuilder(@Nonnull Entity baseEntity) {
this(baseEntity, Collections.emptyList());
}
public void addMutation(@Nonnull LocalMutation localMutation) {
if (localMutation instanceof ParentMutation hierarchicalPlacementMutation) {
this.hierarchyMutation = hierarchicalPlacementMutation;
} else if (localMutation instanceof AttributeMutation attributeMutation) {
this.attributesBuilder.addMutation(attributeMutation);
} else if (localMutation instanceof AssociatedDataMutation associatedDataMutation) {
this.associatedDataBuilder.addMutation(associatedDataMutation);
} else if (localMutation instanceof ReferenceMutation referenceMutation) {
this.referenceMutations
.computeIfAbsent(referenceMutation.getReferenceKey(), rk -> new LinkedList<>())
.add(referenceMutation);
} else if (localMutation instanceof PriceMutation priceMutation) {
this.pricesBuilder.addMutation(priceMutation);
} else if (localMutation instanceof SetPriceInnerRecordHandlingMutation innerRecordHandlingMutation) {
this.pricesBuilder.addMutation(innerRecordHandlingMutation);
} else {
// SHOULD NOT EVER HAPPEN
throw new GenericEvitaInternalError("Unknown mutation: " + localMutation.getClass());
}
}
@Override
public boolean dropped() {
return false;
}
@Override
public int version() {
return baseEntity.version() + 1;
}
@Override
@Nonnull
public String getType() {
return baseEntity.getType();
}
@Override
@Nonnull
public EntitySchemaContract getSchema() {
return baseEntity.getSchema();
}
@Override
@Nullable
public Integer getPrimaryKey() {
return baseEntity.getPrimaryKey();
}
@Override
public boolean parentAvailable() {
return baseEntity.parentAvailable();
}
@Nonnull
@Override
public Optional getParentEntity() {
if (!parentAvailable()) {
throw ContextMissingException.hierarchyContextMissing();
}
return ofNullable(hierarchyMutation)
.map(it ->
it.mutateLocal(this.baseEntity.schema, this.baseEntity.getParent())
.stream()
.mapToObj(pId -> (EntityClassifierWithParent) new EntityReferenceWithParent(getType(), pId, null))
.findFirst()
)
.orElseGet(
() -> this.baseEntityDecorator == null ?
this.baseEntity.getParentEntity() : this.baseEntityDecorator.getParentEntity()
);
}
@Override
public boolean referencesAvailable() {
return baseEntityDecorator == null ?
baseEntity.referencesAvailable() : baseEntityDecorator.referencesAvailable();
}
@Override
public boolean referencesAvailable(@Nonnull String referenceName) {
return baseEntityDecorator == null ?
baseEntity.referencesAvailable(referenceName) : baseEntityDecorator.referencesAvailable(referenceName);
}
@Nonnull
@Override
public Collection getReferences() {
if (!referencesAvailable()) {
throw ContextMissingException.referenceContextMissing();
}
return Stream.concat(
baseEntity.getReferences()
.stream()
.filter(Droppable::exists)
.map(it ->
ofNullable(this.referenceMutations.get(it.getReferenceKey()))
.map(mutations -> evaluateReferenceMutations(it, mutations))
.filter(mutatedReference -> mutatedReference.differsFrom(it))
.orElse(it)
),
this.referenceMutations
.entrySet()
.stream()
.filter(it -> baseEntity.getReference(it.getKey().referenceName(), it.getKey().primaryKey()).isEmpty())
.map(Entry::getValue)
.map(it -> evaluateReferenceMutations(null, it))
)
.filter(referencePredicate)
.collect(Collectors.toList());
}
@Nonnull
@Override
public Collection getReferences(@Nonnull String referenceName) {
if (!referencesAvailable(referenceName)) {
throw ContextMissingException.referenceContextMissing(referenceName);
}
return getReferences()
.stream()
.filter(it -> Objects.equals(referenceName, it.getReferenceName()))
.collect(Collectors.toList());
}
@Nonnull
@Override
public Optional getReference(@Nonnull String referenceName, int referencedEntityId) {
if (!referencesAvailable(referenceName)) {
throw ContextMissingException.referenceContextMissing(referenceName);
}
final ReferenceKey entityReferenceContract = new ReferenceKey(referenceName, referencedEntityId);
final Optional reference = baseEntity.getReference(referenceName, referencedEntityId)
.map(it -> ofNullable(this.referenceMutations.get(entityReferenceContract))
.map(mutations -> evaluateReferenceMutations(it, mutations))
.orElseGet(() -> baseEntityDecorator == null ?
it : baseEntityDecorator.getReference(referenceName, referencedEntityId).orElse(it))
)
.or(() ->
ofNullable(this.referenceMutations.get(entityReferenceContract))
.map(mutations -> evaluateReferenceMutations(null, mutations))
);
return reference.filter(referencePredicate);
}
@Nonnull
@Override
public Set getAllLocales() {
return Stream.concat(
attributesBuilder.getAttributeLocales().stream(),
associatedDataBuilder.getAssociatedDataLocales().stream()
)
.collect(Collectors.toSet());
}
@Nonnull
public Set getLocales() {
return Stream.concat(
attributesBuilder.getAttributeLocales().stream(),
associatedDataBuilder.getAssociatedDataLocales().stream()
)
.filter(localePredicate)
.collect(Collectors.toSet());
}
@Override
public boolean attributesAvailable() {
return baseEntityDecorator == null ?
baseEntity.attributesAvailable() : baseEntityDecorator.attributesAvailable();
}
@Override
public boolean attributesAvailable(@Nonnull Locale locale) {
return baseEntityDecorator == null ?
baseEntity.attributesAvailable(locale) : baseEntityDecorator.attributesAvailable(locale);
}
@Override
public boolean attributeAvailable(@Nonnull String attributeName) {
return baseEntityDecorator == null ?
baseEntity.attributeAvailable(attributeName) : baseEntityDecorator.attributeAvailable(attributeName);
}
@Override
public boolean attributeAvailable(@Nonnull String attributeName, @Nonnull Locale locale) {
return baseEntityDecorator == null ?
baseEntity.attributeAvailable(attributeName, locale) : baseEntityDecorator.attributeAvailable(attributeName, locale);
}
@Override
public boolean associatedDataAvailable() {
return baseEntityDecorator == null ?
baseEntity.associatedDataAvailable() : baseEntityDecorator.associatedDataAvailable();
}
@Override
public boolean associatedDataAvailable(@Nonnull Locale locale) {
return baseEntityDecorator == null ?
baseEntity.associatedDataAvailable(locale) : baseEntityDecorator.associatedDataAvailable(locale);
}
@Override
public boolean associatedDataAvailable(@Nonnull String associatedDataName) {
return baseEntityDecorator == null ?
baseEntity.associatedDataAvailable(associatedDataName) : baseEntityDecorator.associatedDataAvailable(associatedDataName);
}
@Override
public boolean associatedDataAvailable(@Nonnull String associatedDataName, @Nonnull Locale locale) {
return baseEntityDecorator == null ?
baseEntity.associatedDataAvailable(associatedDataName, locale) : baseEntityDecorator.associatedDataAvailable(associatedDataName, locale);
}
@Nonnull
@Override
public EntityBuilder removeAttribute(@Nonnull String attributeName) {
if (!attributeAvailable(attributeName)) {
throw ContextMissingException.attributeContextMissing(attributeName);
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(new AttributeKey(attributeName), -1)),
"Attribute " + attributeName + " was not fetched and cannot be removed. Please enrich the entity first or load it with attributes."
);
attributesBuilder.removeAttribute(attributeName);
return this;
}
@Nonnull
@Override
public EntityBuilder setAttribute(@Nonnull String attributeName, @Nullable T attributeValue) {
if (!attributeAvailable(attributeName)) {
throw ContextMissingException.attributeContextMissing(attributeName);
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(new AttributeKey(attributeName), -1)),
"Attributes were not fetched and cannot be updated. Please enrich the entity first or load it with attributes. Please enrich the entity first or load it with attributes."
);
attributesBuilder.setAttribute(attributeName, attributeValue);
return this;
}
@Nonnull
@Override
public EntityBuilder setAttribute(@Nonnull String attributeName, @Nullable T[] attributeValue) {
if (!attributeAvailable(attributeName)) {
throw ContextMissingException.attributeContextMissing(attributeName);
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(new AttributeKey(attributeName), -1)),
"Attributes were not fetched and cannot be updated. Please enrich the entity first or load it with attributes. Please enrich the entity first or load it with attributes."
);
attributesBuilder.setAttribute(attributeName, attributeValue);
return this;
}
@Nonnull
@Override
public EntityBuilder removeAttribute(@Nonnull String attributeName, @Nonnull Locale locale) {
if (!attributeAvailable(attributeName)) {
throw ContextMissingException.attributeContextMissing(attributeName);
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(new AttributeKey(attributeName, locale), -1)),
"Attribute " + attributeName + " in locale " + locale + " was not fetched and cannot be removed. Please enrich the entity first or load it with attributes."
);
attributesBuilder.removeAttribute(attributeName, locale);
return this;
}
@Nonnull
@Override
public EntityBuilder setAttribute(@Nonnull String attributeName, @Nonnull Locale locale, @Nullable T attributeValue) {
if (!attributeAvailable(attributeName)) {
throw ContextMissingException.attributeContextMissing(attributeName);
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(new AttributeKey(attributeName, locale), -1)),
"Attributes in locale " + locale + " were not fetched and cannot be updated. Please enrich the entity first or load it with attributes."
);
attributesBuilder.setAttribute(attributeName, locale, attributeValue);
return this;
}
@Nonnull
@Override
public EntityBuilder setAttribute(@Nonnull String attributeName, @Nonnull Locale locale, @Nullable T[] attributeValue) {
if (!attributeAvailable(attributeName)) {
throw ContextMissingException.attributeContextMissing(attributeName);
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(new AttributeKey(attributeName, locale), -1)),
"Attributes in locale " + locale + " were not fetched and cannot be updated. Please enrich the entity first or load it with attributes."
);
attributesBuilder.setAttribute(attributeName, locale, attributeValue);
return this;
}
@Nonnull
@Override
public EntityBuilder mutateAttribute(@Nonnull AttributeMutation mutation) {
if (!attributeAvailable(mutation.getAttributeKey().attributeName())) {
throw ContextMissingException.attributeContextMissing(mutation.getAttributeKey().attributeName());
}
Assert.isTrue(
attributePredicate.test(new AttributeValue(mutation.getAttributeKey(), -1)),
"Attribute " + mutation.getAttributeKey() + " was not fetched and cannot be updated. Please enrich the entity first or load it with attributes."
);
attributesBuilder.mutateAttribute(mutation);
return this;
}
@Nonnull
@Override
public EntityBuilder removeAssociatedData(@Nonnull String associatedDataName) {
if (!associatedDataAvailable(associatedDataName)) {
throw ContextMissingException.associatedDataContextMissing(associatedDataName);
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(new AssociatedDataKey(associatedDataName), -1)),
"Associated data " + associatedDataName + " was not fetched and cannot be removed. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.removeAssociatedData(associatedDataName);
return this;
}
@Nonnull
@Override
public EntityBuilder setAssociatedData(@Nonnull String associatedDataName, @Nullable T associatedDataValue) {
if (!associatedDataAvailable(associatedDataName)) {
throw ContextMissingException.associatedDataContextMissing(associatedDataName);
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(new AssociatedDataKey(associatedDataName), -1)),
"Associated data " + associatedDataName + " was not fetched and cannot be updated. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.setAssociatedData(associatedDataName, associatedDataValue);
return this;
}
@Nonnull
@Override
public EntityBuilder setAssociatedData(@Nonnull String associatedDataName, @Nonnull T[] associatedDataValue) {
if (!associatedDataAvailable(associatedDataName)) {
throw ContextMissingException.associatedDataContextMissing(associatedDataName);
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(new AssociatedDataKey(associatedDataName), -1)),
"Associated data " + associatedDataName + " was not fetched and cannot be updated. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.setAssociatedData(associatedDataName, associatedDataValue);
return this;
}
@Nonnull
@Override
public EntityBuilder removeAssociatedData(@Nonnull String associatedDataName, @Nonnull Locale locale) {
if (!associatedDataAvailable(associatedDataName)) {
throw ContextMissingException.associatedDataContextMissing(associatedDataName);
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(new AssociatedDataKey(associatedDataName, locale), -1)),
"Associated data " + associatedDataName + " was not fetched and cannot be removed. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.removeAssociatedData(associatedDataName, locale);
return this;
}
@Nonnull
@Override
public EntityBuilder setAssociatedData(@Nonnull String associatedDataName, @Nonnull Locale locale, @Nullable T associatedDataValue) {
if (!associatedDataAvailable(associatedDataName)) {
throw ContextMissingException.associatedDataContextMissing(associatedDataName);
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(new AssociatedDataKey(associatedDataName, locale), -1)),
"Associated data " + associatedDataName + " was not fetched and cannot be updated. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.setAssociatedData(associatedDataName, locale, associatedDataValue);
return this;
}
@Nonnull
@Override
public EntityBuilder setAssociatedData(@Nonnull String associatedDataName, @Nonnull Locale locale, @Nullable T[] associatedDataValue) {
if (!associatedDataAvailable(associatedDataName)) {
throw ContextMissingException.associatedDataContextMissing(associatedDataName);
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(new AssociatedDataKey(associatedDataName, locale), -1)),
"Associated data " + associatedDataName + " was not fetched and cannot be updated. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.setAssociatedData(associatedDataName, locale, associatedDataValue);
return this;
}
@Nonnull
@Override
public EntityBuilder mutateAssociatedData(@Nonnull AssociatedDataMutation mutation) {
if (!associatedDataAvailable(mutation.getAssociatedDataKey().associatedDataName())) {
throw ContextMissingException.associatedDataContextMissing(mutation.getAssociatedDataKey().associatedDataName());
}
Assert.isTrue(
associatedDataPredicate.test(new AssociatedDataValue(mutation.getAssociatedDataKey(), -1)),
"Associated data " + mutation.getAssociatedDataKey() + " was not fetched and cannot be updated. Please enrich the entity first or load it with the associated data."
);
associatedDataBuilder.mutateAssociatedData(mutation);
return this;
}
@Override
public EntityBuilder setParent(int parentPrimaryKey) {
if (!parentAvailable()) {
throw ContextMissingException.hierarchyContextMissing();
}
this.hierarchyMutation = !Objects.equals(this.baseEntity.getParent(), OptionalInt.of(parentPrimaryKey)) ?
new SetParentMutation(parentPrimaryKey) : null;
return this;
}
@Override
public EntityBuilder removeParent() {
if (!parentAvailable()) {
throw ContextMissingException.hierarchyContextMissing();
}
Assert.notNull(baseEntity.getParent(), "Cannot remove parent that is not present!");
this.hierarchyMutation = this.baseEntity.getParent().isPresent() ? new RemoveParentMutation() : null;
return this;
}
@Override
public EntityBuilder setReference(@Nonnull String referenceName, int referencedPrimaryKey) {
return setReference(referenceName, referencedPrimaryKey, null);
}
@Override
public EntityBuilder setReference(@Nonnull String referenceName, int referencedPrimaryKey, @Nullable Consumer whichIs) {
final ReferenceSchemaContract referenceSchema = getReferenceSchemaOrThrowException(referenceName);
return setReference(referenceName, referenceSchema.getReferencedEntityType(), referenceSchema.getCardinality(), referencedPrimaryKey, whichIs);
}
@Override
public EntityBuilder setReference(@Nonnull String referenceName, @Nonnull String referencedEntityType, @Nonnull Cardinality cardinality, int referencedPrimaryKey) {
return setReference(referenceName, referencedEntityType, cardinality, referencedPrimaryKey, null);
}
@Override
public EntityBuilder setReference(@Nonnull String referenceName, @Nonnull String referencedEntityType, @Nonnull Cardinality cardinality, int referencedPrimaryKey, @Nullable Consumer whichIs) {
if (!referencesAvailable(referenceName)) {
throw ContextMissingException.referenceContextMissing(referenceName);
}
Assert.isTrue(
referencePredicate.test(new Reference(getSchema(), referenceName, referencedPrimaryKey, referencedEntityType, cardinality, null)),
"References were not fetched and cannot be updated. Please enrich the entity first or load it with the references."
);
final ReferenceKey referenceKey = new ReferenceKey(referenceName, referencedPrimaryKey);
final EntitySchemaContract schema = getSchema();
final Optional existingReference = baseEntity.getReferenceWithoutSchemaCheck(referenceKey);
final ReferenceBuilder referenceBuilder = existingReference
.map(it -> (ReferenceBuilder) new ExistingReferenceBuilder(it, schema))
.filter(referencePredicate)
.orElseGet(
() -> new InitialReferenceBuilder(
schema, referenceName, referencedPrimaryKey, cardinality, referencedEntityType
)
);
ofNullable(whichIs).ifPresent(it -> it.accept(referenceBuilder));
addOrReplaceReferenceMutations(referenceBuilder);
return this;
}
@Override
public void addOrReplaceReferenceMutations(@Nonnull ReferenceBuilder referenceBuilder) {
if (!referencesAvailable(referenceBuilder.getReferenceName())) {
throw ContextMissingException.referenceContextMissing(referenceBuilder.getReferenceName());
}
final ReferenceKey referenceKey = referenceBuilder.getReferenceKey();
final Optional existingReference = baseEntity.getReferenceWithoutSchemaCheck(referenceKey);
final List> changeSet = referenceBuilder.buildChangeSet().collect(Collectors.toList());
if (existingReference.isEmpty()) {
this.referenceMutations.put(
referenceKey,
changeSet
);
} else {
final Optional referenceInBaseEntity = this.baseEntity.getReference(referenceKey)
.filter(Droppable::exists);
if (referenceInBaseEntity.map(it -> it.exists() && !removedReferences.contains(referenceKey)).orElse(true)) {
this.referenceMutations.put(
referenceKey,
changeSet
);
} else {
boolean groupUpserted = false;
Set attributesUpserted = new HashSet<>();
for (ReferenceMutation referenceMutation : changeSet) {
if (referenceMutation instanceof SetReferenceGroupMutation) {
groupUpserted = true;
} else if (referenceMutation instanceof ReferenceAttributeMutation referenceAttributeMutation) {
if (referenceAttributeMutation.getAttributeMutation() instanceof UpsertAttributeMutation) {
attributesUpserted.add(referenceAttributeMutation.getAttributeMutation().getAttributeKey());
}
}
}
this.referenceMutations.put(
referenceKey,
Stream.concat(
Stream.concat(
// if the group was not upserted we need to remove it (because the entire reference was
// removed before
groupUpserted ?
Stream.>empty() :
referenceInBaseEntity
.flatMap(ReferenceContract::getGroup)
.filter(Droppable::exists)
.stream()
.map(it -> (ReferenceMutation) new RemoveReferenceGroupMutation(referenceKey)),
// if the attribute was not upserted we need to remove it (because the entire reference
// was removed before
referenceInBaseEntity
.map(AttributesContract::getAttributeValues)
.orElse(Collections.emptyList())
.stream()
.filter(Droppable::exists)
.filter(it -> !attributesUpserted.contains(it.key()))
.map(it ->
new ReferenceAttributeMutation(
referenceKey,
new RemoveAttributeMutation(it.key())
)
)
),
changeSet
.stream()
.filter(it -> {
if (it instanceof InsertReferenceMutation) {
// we don't need to insert the reference, since it was there before the removal
return false;
} else if (it instanceof SetReferenceGroupMutation referenceGroupMutation) {
// we don't need to reset the group if the group is the same as the previous one
final Boolean groupSameAsPreviousOne = this.baseEntity.getReference(referenceGroupMutation.getReferenceKey())
.flatMap(ReferenceContract::getGroup)
.map(group -> Objects.equals(group.getPrimaryKey(), referenceGroupMutation.getGroupPrimaryKey()))
.orElse(false);
return !groupSameAsPreviousOne;
} else if (it instanceof ReferenceAttributeMutation referenceAttributeMutation) {
// we don't need to reset the attribute if the attribute is the same as the previous one
final AttributeMutation attributeMutation = referenceAttributeMutation.getAttributeMutation();
final AttributeKey attributeKey = attributeMutation.getAttributeKey();
if (attributeMutation instanceof UpsertAttributeMutation upsertAttributeMutation) {
final boolean attributeSameAsPreviousOne = this.baseEntity.getReference(referenceAttributeMutation.getReferenceKey())
.flatMap(ref -> ref.getAttributeSchema(attributeKey.attributeName()).isPresent() ? ref.getAttributeValue(attributeKey) : Optional.empty())
.map(attribute -> Objects.equals(attribute.value(), upsertAttributeMutation.getAttributeValue()))
.orElse(false);
return !attributeSameAsPreviousOne;
} else {
return true;
}
} else {
return true;
}
})
)
.collect(Collectors.toList())
);
}
}
}
@Override
public EntityBuilder removeReference(@Nonnull String referenceName, int referencedPrimaryKey) {
if (!referencesAvailable(referenceName)) {
throw ContextMissingException.referenceContextMissing(referenceName);
}
final ReferenceSchemaContract referenceSchema = getReferenceSchemaOrThrowException(referenceName);
Assert.isTrue(
referencePredicate.test(new Reference(getSchema(), referenceName, referencedPrimaryKey, referenceSchema.getReferencedEntityType(), referenceSchema.getCardinality(), null)),
"References were not fetched and cannot be updated. Please enrich the entity first or load it with the references."
);
final ReferenceKey referenceKey = new ReferenceKey(referenceName, referencedPrimaryKey);
Assert.isTrue(getReference(referenceName, referencedPrimaryKey).isPresent(), "There's no reference of type " + referenceName + " and primary key " + referencedPrimaryKey + "!");
// remove possibly added / updated reference mutation
this.referenceMutations.remove(referenceKey);
final Optional theReference = baseEntity.getReferenceWithoutSchemaCheck(referenceKey)
.filter(referencePredicate);
if (theReference.isPresent()) {
// if the reference was part of the previous entity version we build upon, remove it as-well
this.referenceMutations.put(
referenceKey,
Collections.singletonList(
new RemoveReferenceMutation(referenceKey)
)
);
this.removedReferences.add(referenceKey);
}
return this;
}
@Override
public EntityBuilder setPrice(int priceId, @Nonnull String priceList, @Nonnull Currency currency, @Nonnull BigDecimal priceWithoutTax, @Nonnull BigDecimal taxRate, @Nonnull BigDecimal priceWithTax, boolean indexed) {
assertPricesFetched(pricePredicate);
Assert.isTrue(
pricePredicate.test(new Price(new PriceKey(priceId, priceList, currency), 1, BigDecimal.ONE, BigDecimal.ONE, BigDecimal.ONE, null, false)),
"Price " + priceId + ", " + priceList + ", " + currency + " was not fetched and cannot be updated. Please enrich the entity first or load it with the prices."
);
pricesBuilder.setPrice(priceId, priceList, currency, priceWithoutTax, taxRate, priceWithTax, indexed);
return this;
}
@Override
public EntityBuilder setPrice(int priceId, @Nonnull String priceList, @Nonnull Currency currency, @Nullable Integer innerRecordId, @Nonnull BigDecimal priceWithoutTax, @Nonnull BigDecimal taxRate, @Nonnull BigDecimal priceWithTax, boolean indexed) {
assertPricesFetched(pricePredicate);
Assert.isTrue(
pricePredicate.test(new Price(new PriceKey(priceId, priceList, currency), 1, BigDecimal.ONE, BigDecimal.ONE, BigDecimal.ONE, null, false)),
"Price " + priceId + ", " + priceList + ", " + currency + " was not fetched and cannot be updated. Please enrich the entity first or load it with the prices."
);
pricesBuilder.setPrice(priceId, priceList, currency, innerRecordId, priceWithoutTax, taxRate, priceWithTax, indexed);
return this;
}
@Override
public EntityBuilder setPrice(int priceId, @Nonnull String priceList, @Nonnull Currency currency, @Nonnull BigDecimal priceWithoutTax, @Nonnull BigDecimal taxRate, @Nonnull BigDecimal priceWithTax, @Nullable DateTimeRange validity, boolean indexed) {
assertPricesFetched(pricePredicate);
Assert.isTrue(
pricePredicate.test(new Price(new PriceKey(priceId, priceList, currency), 1, BigDecimal.ONE, BigDecimal.ONE, BigDecimal.ONE, null, false)),
"Price " + priceId + ", " + priceList + ", " + currency + " was not fetched and cannot be updated. Please enrich the entity first or load it with the prices."
);
pricesBuilder.setPrice(priceId, priceList, currency, priceWithoutTax, taxRate, priceWithTax, validity, indexed);
return this;
}
@Override
public EntityBuilder setPrice(int priceId, @Nonnull String priceList, @Nonnull Currency currency, @Nullable Integer innerRecordId, @Nonnull BigDecimal priceWithoutTax, @Nonnull BigDecimal taxRate, @Nonnull BigDecimal priceWithTax, @Nullable DateTimeRange validity, boolean indexed) {
assertPricesFetched(pricePredicate);
Assert.isTrue(
pricePredicate.test(new Price(new PriceKey(priceId, priceList, currency), 1, BigDecimal.ONE, BigDecimal.ONE, BigDecimal.ONE, null, false)),
"Price " + priceId + ", " + priceList + ", " + currency + " was not fetched and cannot be updated. Please enrich the entity first or load it with the prices."
);
pricesBuilder.setPrice(priceId, priceList, currency, innerRecordId, priceWithoutTax, taxRate, priceWithTax, validity, indexed);
return this;
}
@Override
public EntityBuilder removePrice(int priceId, @Nonnull String priceList, @Nonnull Currency currency) {
assertPricesFetched(pricePredicate);
Assert.isTrue(
pricePredicate.test(new Price(new PriceKey(priceId, priceList, currency), 1, BigDecimal.ONE, BigDecimal.ONE, BigDecimal.ONE, null, false)),
"Price " + priceId + ", " + priceList + ", " + currency + " was not fetched and cannot be updated. Please enrich the entity first or load it with the prices."
);
pricesBuilder.removePrice(priceId, priceList, currency);
return this;
}
@Override
public EntityBuilder setPriceInnerRecordHandling(@Nonnull PriceInnerRecordHandling priceInnerRecordHandling) {
assertPricesFetched(pricePredicate);
pricesBuilder.setPriceInnerRecordHandling(priceInnerRecordHandling);
return this;
}
@Override
public EntityBuilder removePriceInnerRecordHandling() {
assertPricesFetched(pricePredicate);
pricesBuilder.removePriceInnerRecordHandling();
return this;
}
@Override
public EntityBuilder removeAllNonTouchedPrices() {
assertPricesFetched(pricePredicate);
pricesBuilder.removeAllNonTouchedPrices();
return this;
}
@Nonnull
@Override
public Optional toMutation() {
final Map builtReferences = new HashMap<>(baseEntity.references);
final List>> mutations = Stream.of(
Stream.of(hierarchyMutation).filter(Objects::nonNull),
attributesBuilder.buildChangeSet(),
associatedDataBuilder.buildChangeSet(),
pricesBuilder.buildChangeSet(),
referenceMutations.values()
.stream()
.flatMap(Collection::stream)
.filter(it -> {
final ReferenceContract existingReference = builtReferences.get(it.getReferenceKey());
final ReferenceContract newReference = it.mutateLocal(getSchema(), existingReference);
builtReferences.put(it.getReferenceKey(), newReference);
return existingReference == null || newReference.version() > existingReference.version();
})
)
.flatMap(it -> it)
.filter(Objects::nonNull)
.sorted()
.collect(Collectors.toList());
if (mutations.isEmpty()) {
return Optional.empty();
} else {
return of(
new EntityUpsertMutation(
baseEntity.getType(),
Objects.requireNonNull(baseEntity.getPrimaryKey()),
EntityExistence.MUST_EXIST,
mutations
)
);
}
}
@Nonnull
@Override
public Entity toInstance() {
return toMutation()
.map(it -> it.mutate(baseEntity.getSchema(), baseEntity))
.orElse(baseEntity);
}
/**
* Checks if the given reference is present in the base entity.
*
* @param reference the reference to check
* @return true if the reference is present in the base entity, false otherwise
*/
public boolean isPresentInBaseEntity(@Nonnull ReferenceContract reference) {
return this.baseEntity.getReference(reference.getReferenceKey())
.map(Droppable::exists)
.orElse(false);
}
@Nullable
private ReferenceContract evaluateReferenceMutations(@Nullable ReferenceContract reference, @Nonnull List> mutations) {
ReferenceContract mutatedReference = reference;
for (ReferenceMutation mutation : mutations) {
mutatedReference = mutation.mutateLocal(this.baseEntity.schema, mutatedReference);
}
final ReferenceContract theReference = mutatedReference != null && mutatedReference.differsFrom(reference) ? mutatedReference : reference;
if (this.baseEntityDecorator != null && theReference != null) {
final Optional originalReference = this.baseEntityDecorator.getReference(
theReference.getReferencedEntityType(), theReference.getReferencedPrimaryKey()
);
final Optional originalReferencedEntity = originalReference
.flatMap(ReferenceContract::getReferencedEntity);
final Optional originalReferencedEntityGroup = originalReference
.flatMap(ReferenceContract::getGroupEntity);
final Boolean entityValid = originalReferencedEntity
.map(EntityContract::getPrimaryKey)
.map(it -> it == theReference.getReferencedPrimaryKey())
.orElse(false);
final Boolean entityGroupValid = originalReferencedEntityGroup
.map(EntityContract::getPrimaryKey)
.map(it -> theReference.getGroup().map(group -> Objects.equals(it, group.getPrimaryKey())).orElse(false))
.orElse(false);
if (entityValid || entityGroupValid) {
return new ReferenceDecorator(
theReference,
entityValid ? originalReferencedEntity.get() : null,
entityGroupValid ? originalReferencedEntityGroup.get() : null,
referencePredicate.getAttributePredicate(theReference.getReferenceName())
);
}
}
return theReference;
}
@Nonnull
private ReferenceSchemaContract getReferenceSchemaOrThrowException(@Nonnull String referenceName) {
return getSchema().getReference(referenceName)
.orElseThrow(() -> new ReferenceNotKnownException(referenceName));
}
}