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/*
* Copyright 2015 JAXIO http://www.jaxio.com
*
* 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.jaxio.celerio.factory;
import com.jaxio.celerio.Config;
import com.jaxio.celerio.configuration.Configuration;
import com.jaxio.celerio.configuration.database.ForeignKey;
import com.jaxio.celerio.configuration.database.ImportedKey;
import com.jaxio.celerio.configuration.database.Table;
import com.jaxio.celerio.configuration.entity.*;
import com.jaxio.celerio.model.Attribute;
import com.jaxio.celerio.model.Entity;
import com.jaxio.celerio.model.Relation;
import com.jaxio.celerio.model.relation.*;
import com.jaxio.celerio.support.Namer;
import com.jaxio.celerio.util.Labels;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import static com.google.common.collect.Lists.newArrayList;
import static com.jaxio.celerio.util.MiscUtil.toReadableLabel;
import static com.jaxio.celerio.util.MiscUtil.toReadablePluralLabel;
import static com.jaxio.celerio.util.StringUtil.orderToString;
import static java.lang.Boolean.TRUE;
@Service
@Slf4j
public class RelationFactory {
@Autowired
private Config topLevelCfg;
@Autowired
private RelationCollisionUtil relationUtil;
public void setupRelations(Entity entity) {
if (isMiddleEntityCandidate(entity)) {
setupNNRelations(entity);
} else {
setupOtherRelations(entity);
}
}
public Configuration cfg() {
return topLevelCfg.getCelerio().getConfiguration();
}
// -------------------------------------------
// Private implementation
// -------------------------------------------
/**
* Note: the passed entity may include fields that come from different tables: Not a problem, this method supports it.
*/
private List getForeignKeys(Entity entity) {
List result = newArrayList();
// get all tables involved in this entity fk.
List involvedTables = newArrayList(); // use list to preserve fk ordering.
for (Attribute a : entity.getCurrentAttributes()) {
if (a.isInFk()) {
String fkTableName = a.getColumnConfig().getTableName();
Assert.notNull(fkTableName);
Table t = topLevelCfg.getMetadata().getTableByName(fkTableName);
if (!involvedTables.contains(t)) {
involvedTables.add(t);
}
}
}
// get all the imported key of the involved tables
for (Table table : involvedTables) {
// keep only the fk that are really bound to the passed entity
for (ForeignKey fk : table.getForeignKeys()) {
if (relationExists(entity, fk)) {
result.add(fk);
}
}
}
return result;
}
private boolean isMiddleEntityCandidate(Entity entity) {
if (entity.hasInheritance()) {
return false;
// TODO: inheritance + m2m ?
}
// by configuration
if (entity.getEntityConfig().getMiddleTable() == Boolean.FALSE) {
// user does not want any middle table here, no need to go further.
return false;
}
List currentFks = getForeignKeys(entity);
if (currentFks.size() == 2 /* required convention */
&& (entity.getEntityConfig().getMiddleTable() == Boolean.TRUE /* configuration */ || entity.getSimpleAttributes().getSize() == 0 /* convention */)) {
for (ForeignKey fk : currentFks) {
// we skip composite FK (to complex to handle)
if (fk.isComposite()) {
return false;
}
// let's make sure fk do not point to the table they belong to
if (fk.getImportedKey().getPkTableName().equalsIgnoreCase(entity.getTableName())) {
return false;
}
}
log.info("Entity " + entity.getName() + " is a middle entity");
return true;
}
return false;
}
private void setupOtherRelations(Entity entity) {
for (ForeignKey fk : getForeignKeys(entity)) {
if (!cfg().hasTable(fk.getImportedKey().getPkTableName())) {
log.info("Skip association for entity " + entity.getName() + ". Reason: foreign key references an excluded table: " + fk.toString());
continue;
}
if (fk.getSize() == 1) {
setUpSimpleRelation(entity, fk);
} else if (fk.getSize() > 1) {
setUpCompositeRelation2(entity, fk);
} else {
throw new IllegalStateException();
}
}
}
private boolean relationExists(Entity entity, ForeignKey fk) {
for (ImportedKey importedKey : fk.getImportedKeys()) {
// make sure all attributes of the current entity are involved
Attribute fromAttribute = entity.getAttributeByTableAndColumnName(fk.getFkTableName(), importedKey.getFkColumnName());
if (fromAttribute == null) {
return false;
}
Entity targetEntity = getTargetEntity(importedKey, fromAttribute.getColumnConfig());
if (targetEntity == null) {
log.warn("Could not find target entity pkTableName: " + importedKey.getPkTableName());
return false;
}
Attribute targetAttribute = getTargetAttribute(importedKey, targetEntity);
if (targetAttribute == null) {
log.warn("Could not find target attribute pkColumnName: " + importedKey.getPkColumnName());
return false;
}
}
return true;
}
// ---------------------------------------------------
// NN RELATIONS - AKA RELATION WITH INTERMEDIATE TABLE
// ---------------------------------------------------
private void setupNNRelations(Entity entity) {
Iterator i = getForeignKeys(entity).iterator();
//
// Our terminology and convention are as follow:
//
// INTERMEDIATE TABLE
// Left Table <--------[left col config/fk left | right col configu/fk right]--------> Right table
//
// The forward relation (ie a collection of right entities) is on the left entity.
// However, from a configuration standpoint, to make it easier to read, the xxxConfig used to configure the forward relation is a child
// of the right column config. The xxxConfig to configure the inverse relation is a child of the left col config.
//
ForeignKey fkLeft = i.next();
ForeignKey fkRight = i.next();
// Let's prevent association to table that are filtered out.
if (!cfg().hasTable(fkLeft.getImportedKey().getPkTableName())) {
log.info("Skip simple NN association carried by entity " + entity.getName() + ". Reason: foreign key references an excluded table: "
+ fkLeft.toString());
return;
}
if (!cfg().hasTable(fkRight.getImportedKey().getPkTableName())) {
log.info("Skip simple NN association carried by entity " + entity.getName() + ". Reason: foreign key references an excluded table: "
+ fkRight.toString());
return;
}
if (log.isInfoEnabled()) {
log.info("middle table: " + entity.getTableName() + " " + getForeignKeys(entity).size() + " " + entity.getSimpleAttributes().getSize());
}
// first: look at natural order, the higher ordinal position is the inverse side by convention.
Attribute attrLeft = entity.getAttributeByTableAndColumnName(entity.getTableName(), fkLeft.getImportedKey().getFkColumnName());
Attribute attrRight = entity.getAttributeByTableAndColumnName(entity.getTableName(), fkRight.getImportedKey().getFkColumnName());
if (attrLeft.getColumnConfig().getOrdinalPosition() > attrRight.getColumnConfig().getOrdinalPosition()) {
ForeignKey fkTemp = fkLeft;
fkLeft = fkRight;
fkRight = fkTemp;
attrLeft = attrRight;
attrRight = null; // so we do not use it by mistake.
}
// Now that we have the real left side by convention, let's check if the user want to change the convention.
if (attrLeft.getColumnConfig().getInverse() == TRUE) {
ForeignKey fkTemp = fkLeft;
fkLeft = fkRight;
fkRight = fkTemp;
}
// TODO: support composite in many to many
if (fkLeft.getSize() == 1 && fkRight.getSize() == 1) {
// build intermediate relations to ease our pain (!)
Relation middleToLeft = buildSimpleRelation(entity, fkLeft);
Relation middleToRight = buildSimpleRelation(entity, fkRight);
if (middleToRight.getFromAttribute().getColumnConfig().getManyToOneConfig() == null) {
// many to many + inverse many to many
buildIntermediateManyToManyManyToMany(middleToLeft, entity, middleToRight);
} else {
// MANY TO ONE with intermediate table
buildIntermediateManyToOneOneToMany(middleToLeft, entity, middleToRight);
}
// TODO: intermediate one to one ...
// mark this middle join entity
entity.setManyToManyJoinEntity(true);
} else {
log.warn("NN relations with composite FK is not supported. Skipping " + entity.getTableName());
}
}
// -------------------------------------------------
// intermediate MANY TO ONE + INVERSE MANY TO MANY
// -------------------------------------------------
void buildIntermediateManyToManyManyToMany(Relation middleToLeft, Entity middleEntity, Relation middleToRight) {
// MANY TO MANY
// Note: if the manyToManyConfig is null, by convention, we create the m2m relation
Namer toNamer = relationUtil.getManyToManyNamer(middleToLeft.getTo(), middleToRight.getFromAttribute().getColumnConfig(), middleToRight.getTo());
Namer fromNamer = relationUtil.getManyToManyNamer(middleToRight.getTo(), middleToLeft.getFromAttribute().getColumnConfig(), middleToLeft.getTo());
ManyToMany m2m = new ManyToMany(fromNamer, toNamer, middleEntity, middleToLeft, middleToRight);
ManyToManyConfig m2mConfig = middleToRight.getFromAttribute().getColumnConfig().getManyToManyConfig();
m2m.setCascadeGetter(m2mConfig);
m2m.setFetchTypeGetter(m2mConfig);
m2m.setOrderByGetter(m2mConfig);
setLabelPlural(m2mConfig, m2m);
initDisplayOrderAsString(m2mConfig, m2m);
configureActions(m2m, cfg().getDefaultManyToManyConfig(), m2mConfig);
middleToLeft.getToEntity().addRelation(m2m);
if (shouldCreateInverse(m2m)) {
// MANY TO MANY inverse
ManyToMany inverseM2m = (ManyToMany) m2m.createInverse(); // TODO: fix cast ?
ManyToManyConfig inverseM2mConfig = middleToLeft.getFromAttribute().getColumnConfig().getManyToManyConfig();
inverseM2m.setCascadeGetter(inverseM2mConfig);
inverseM2m.setFetchTypeGetter(inverseM2mConfig);
inverseM2m.setOrderByGetter(inverseM2mConfig);
setLabelPlural(inverseM2mConfig, inverseM2m);
initDisplayOrderAsString(inverseM2mConfig, inverseM2m);
configureActions(inverseM2m, cfg().getDefaultInverseManyToManyConfig(), inverseM2mConfig);
middleToRight.getToEntity().addRelation(inverseM2m);
}
}
// ----------------------------------------
// intermediate MANY TO ONE + ONE TO MANY
// ----------------------------------------
void buildIntermediateManyToOneOneToMany(Relation middleToLeft, Entity middleEntity, Relation middleToRight) {
Namer toNamer = relationUtil.getManyToOneIntermediateNamer(middleToLeft.getTo(), middleToRight.getFromAttribute().getColumnConfig(),
middleToRight.getTo());
Namer fromNamer = relationUtil.getOneToManyIntermediateNamer(middleToRight.getTo(), middleToLeft.getFromAttribute().getColumnConfig(),
middleToLeft.getTo());
IntermediateManyToOne m2o = new IntermediateManyToOne(fromNamer, toNamer, middleEntity, middleToLeft, middleToRight);
ManyToOneConfig m2oConfig = middleToRight.getFromAttribute().getColumnConfig().getManyToOneConfig();
m2o.setCascadeGetter(m2oConfig);
m2o.setFetchTypeGetter(m2oConfig);
setLabelSingular(m2oConfig, m2o);
configureActions(m2o, cfg().getDefaultManyToOneConfig(), m2oConfig);
middleToLeft.getToEntity().addRelation(m2o);
if (shouldCreateInverse(m2o)) {
// ONE TO MANY with intermediate table
IntermediateOneToMany o2m = (IntermediateOneToMany) m2o.createInverse(); // TODO: fix cast ?
OneToManyConfig o2mConfig = middleToLeft.getFromAttribute().getColumnConfig().getOneToManyConfig();
o2m.setCascadeGetter(o2mConfig);
o2m.setFetchTypeGetter(o2mConfig);
o2m.setOrderByGetter(o2mConfig);
setLabelPlural(o2mConfig, o2m);
initDisplayOrderAsString(o2mConfig, o2m);
configureActions(o2m, cfg().getDefaultOneToManyConfig(), o2mConfig);
middleToRight.getToEntity().addRelation(o2m);
}
}
// ---------------------------------------------------
// SIMPLE RELATIONS - no nn, no composite fk
// ---------------------------------------------------
private void setUpSimpleRelation(Entity entity, ForeignKey fk) {
Relation forwardRelation = buildSimpleRelation(entity, fk);
entity.addRelation(forwardRelation);
if (shouldCreateInverse(forwardRelation)) {
Relation reverseRelation = forwardRelation.createInverse();
forwardRelation.getToEntity().addRelation(reverseRelation);
}
}
/**
* For non intermediate relation, inverse association should be created if either the associationDirection attribute of the columnConfig is set to BIDIRECTIONAL or if the expected inverse
* association config is found. For example, if the forward relation is a many to one and if oneToManyConfig is found, then we create the inverse
* association.
*
* For intermediate relation, inverse association should be created if either the associationDirection attribute of the parent entityConfig is set to BIDIRECTIONAL or if the expected
* inverse association config is found on the 'left-side' columnConfig. For example, if the forward relation is a many to one and if oneToManyConfig is
* found, then we create the inverse association.
*/
private boolean shouldCreateInverse(Relation forward) {
if (forward.isIntermediate()) {
AssociationDirection direction = forward.getMiddleEntity().getEntityConfig().getAssociationDirection();
ColumnConfig leftCc = forward.getMiddleToLeft().getFromAttribute().getColumnConfig();
return AssociationDirection.BIDIRECTIONAL == direction //
|| (forward.isManyToMany() && leftCc.getManyToManyConfig() != null) //
|| (forward.isManyToOne() && leftCc.getOneToManyConfig() != null) //
|| (forward.isOneToOne() && leftCc.getInverseOneToOneConfig() != null);
} else {
ColumnConfig cc = forward.getFromAttribute().getColumnConfig();
return AssociationDirection.BIDIRECTIONAL == cc.getAssociationDirection() //
|| (forward.isManyToOne() && cc.getOneToManyConfig() != null) //
|| (forward.isOneToOne() && cc.getInverseOneToOneConfig() != null);
}
}
private SimpleRelation buildSimpleRelation(Entity entity, ForeignKey fk) {
ImportedKey importedKey = fk.getImportedKeys().iterator().next();
return buildSimpleRelation(entity, importedKey, fk);
}
private SimpleRelation buildSimpleRelation(Entity entity, ImportedKey importedKey, ForeignKey fk) {
final Attribute fromAttribute = entity.getAttributeByTableAndColumnName(fk.getFkTableName(), importedKey.getFkColumnName());
Assert.isTrue(fromAttribute.getEntity().equals(entity));
Entity targetEntity = getTargetEntity(importedKey, fromAttribute.getColumnConfig());
Attribute targetAttribute = getTargetAttribute(importedKey, targetEntity);
if (fromAttribute.isUnique() && fromAttribute.getColumnConfig().getEnableOneToVirtualOne()) {
// many to one + one to virtual one
return buildSimpleManyToOneOneToVirtualOne(entity, fromAttribute, targetEntity, targetAttribute);
} else if (fromAttribute.isUnique() || fromAttribute.getColumnConfig().getOneToOneConfig() != null) {
// one to one + inverse one to one
return buildSimpleOneToOneOneToOne(entity, fromAttribute, targetEntity, targetAttribute);
} else {
// many to one + one to many
return buildSimpleManyToOneOneToMany(entity, fromAttribute, targetEntity, targetAttribute);
}
}
// ----------------------------------------
// simple MANY TO ONE + ONE TO VIRTUAL ONE
// ----------------------------------------
private SimpleRelation buildSimpleManyToOneOneToVirtualOne(Entity entity, final Attribute fromAttribute, Entity targetEntity, Attribute targetAttribute) {
Namer targetNamer = relationUtil.getManyToOneNamer(fromAttribute, targetEntity.getModel());
Namer inverseNamer = relationUtil.getOneToManyNamer(fromAttribute.getColumnConfig(), entity.getModel());
SimpleRelation m2o = new SimpleManyToOne(inverseNamer, targetNamer, fromAttribute, entity, targetEntity, targetAttribute) {
@Override
protected AbstractRelation buildInverse() {
AbstractRelation o2vo = new SimpleOneToVirtualOne(getTo(), getFrom(), getToAttribute(), getToEntity(), getFromEntity(), getFromAttribute());
OneToManyConfig o2voConfig = fromAttribute.getColumnConfig().getOneToManyConfig();
setLabelSingular(o2voConfig, o2vo);
configureActions(o2vo, cfg().getDefaultOneToManyConfig(), o2voConfig);
return o2vo;
}
};
ManyToOneConfig m2oConfig = fromAttribute.getColumnConfig().getManyToOneConfig();
setLabelSingular(m2oConfig, m2o);
configureActions(m2o, cfg().getDefaultManyToOneConfig(), m2oConfig);
return m2o;
}
// ----------------------------------------
// simple ONE TO ONE + INVERSE ONE TO ONE
// ----------------------------------------
SimpleRelation buildSimpleOneToOneOneToOne(Entity entity, final Attribute fromAttribute, Entity targetEntity, Attribute targetAttribute) {
Namer targetNamer = relationUtil.getOneToOneNamer(fromAttribute, targetEntity.getModel());
Namer inverseNamer = relationUtil.getInverseOneToOneNamer(fromAttribute, entity.getModel());
SimpleRelation o2o = new SimpleOneToOne(inverseNamer, targetNamer, fromAttribute, entity, targetEntity, targetAttribute) {
@Override
protected AbstractRelation buildInverse() {
SimpleOneToOne invo2o = new SimpleOneToOne(getTo(), getFrom(), getToAttribute(), getToEntity(), getFromEntity(), fromAttribute);
OneToOneConfig iso2oConfig = getFromAttribute().getColumnConfig().getInverseOneToOneConfig();
setLabelSingular(iso2oConfig, invo2o);
configureActions(invo2o, cfg().getDefaultInverseOneToOneConfig(), iso2oConfig);
return invo2o;
}
};
OneToOneConfig o2oConfig = fromAttribute.getColumnConfig().getOneToOneConfig();
setLabelSingular(o2oConfig, o2o);
configureActions(o2o, cfg().getDefaultOneToOneConfig(), o2oConfig);
return o2o;
}
// ----------------------------------------
// simple MANY TO ONE + ONE TO MANY
// ----------------------------------------
private SimpleRelation buildSimpleManyToOneOneToMany(Entity entity, final Attribute fromAttribute, Entity targetEntity, Attribute targetAttribute) {
Namer targetNamer = relationUtil.getManyToOneNamer(fromAttribute, targetEntity.getModel());
Namer inverseNamer = relationUtil.getOneToManyNamer(fromAttribute.getColumnConfig(), entity.getModel());
SimpleRelation m2o = new SimpleManyToOne(inverseNamer, targetNamer, fromAttribute, entity, targetEntity, targetAttribute) {
@Override
protected AbstractRelation buildInverse() {
AbstractRelation o2m = new SimpleOneToMany(getTo(), getFrom(), getToAttribute(), getToEntity(), getFromEntity(), getFromAttribute());
OneToManyConfig o2mConfig = fromAttribute.getColumnConfig().getOneToManyConfig();
setLabelPlural(o2mConfig, o2m);
initDisplayOrderAsString(o2mConfig, o2m);
configureActions(o2m, cfg().getDefaultOneToManyConfig(), o2mConfig);
return o2m;
}
};
ManyToOneConfig m2oConfig = fromAttribute.getColumnConfig().getManyToOneConfig();
setLabelSingular(m2oConfig, m2o);
configureActions(m2o, cfg().getDefaultManyToOneConfig(), m2oConfig);
return m2o;
}
// ---------------------------------------------------
// RELATIONS WITH COMPOSITE FK/PK
// ---------------------------------------------------
private void setUpCompositeRelation2(Entity entity, ForeignKey fk) {
Relation forwardRelation = buildCompositeRelation2(entity, fk);
entity.addRelation(forwardRelation);
if (shouldCreateInverse(forwardRelation)) {
Relation reverseRelation = forwardRelation.createInverse();
forwardRelation.getToEntity().addRelation(reverseRelation);
}
}
private CompositeRelation buildCompositeRelation2(Entity entity, ForeignKey fk) {
final List fromAttributes = new ArrayList();
for (ImportedKey importedKey : fk.getImportedKeys()) {
Attribute fromAttribute = entity.getAttributeByTableAndColumnName(fk.getFkTableName(), importedKey.getFkColumnName());
Assert.isTrue(fromAttribute.getEntity().equals(entity));
fromAttributes.add(fromAttribute);
}
// composite many to one + one to many
return buildCompositeManyToOneOneToMany(entity, fromAttributes, fk);
// TODO: composite ONE TO ONE ?
}
// ---------------------------------------------------
// composite MANY TO ONE + ONE TO MANY
// ---------------------------------------------------
CompositeManyToOne buildCompositeManyToOneOneToMany(Entity entity, final List fromAttributes, ForeignKey fk) {
Entity targetEntity = getTargetEntity(fk.getImportedKey(), fromAttributes.get(0).getColumnConfig());
List targetAttributes = getTargetAttributes(fk, targetEntity);
// composite MANY TO ONE + ONE TO MANY
Namer targetNamer = relationUtil.getManyToOneNamer(fromAttributes.get(0), targetEntity.getModel());
Namer inverseNamer = relationUtil.getOneToManyNamer(fromAttributes.get(0).getColumnConfig(), entity.getModel());
CompositeManyToOne m2o = new CompositeManyToOne(inverseNamer, targetNamer, fromAttributes, entity, targetEntity, targetAttributes) {
@Override
protected AbstractRelation buildInverse() {
CompositeOneToMany co2m2 = new CompositeOneToMany(getTo(), getFrom(), getToAttributes(), getToEntity(), getFromEntity(), getFromAttributes());
OneToManyConfig o2mConfig = fromAttributes.get(0).getColumnConfig().getOneToManyConfig();
setLabelPlural(o2mConfig, co2m2);
initDisplayOrderAsString(o2mConfig, co2m2);
configureActions(co2m2, cfg().getDefaultOneToManyConfig(), o2mConfig);
return co2m2;
}
};
ManyToOneConfig m2oConfig = fromAttributes.get(0).getColumnConfig().getManyToOneConfig();
setLabelSingular(m2oConfig, m2o);
configureActions(m2o, cfg().getDefaultManyToOneConfig(), m2oConfig);
return m2o;
}
// ---------------------------------------------------
// UTILS STUFF
// ---------------------------------------------------
private Entity getTargetEntity(ImportedKey importedKey, ColumnConfig cc) {
if (cc.hasTargetEntityName()) {
return topLevelCfg.getProject().getEntityByName(cc.lookupTargetEntityName());
} else {
return topLevelCfg.getProject().getEntityBySchemaAndTableName(importedKey.getPkTableSchema(), importedKey.getPkTableName());
}
}
private Attribute getTargetAttribute(ImportedKey importedKey, Entity targetEntity) {
// take our chance to get it the first time.
Attribute targetAttribute = targetEntity.getAttributeByTableAndColumnName(importedKey.getPkTableName(), importedKey.getPkColumnName());
if (targetAttribute == null) {
if (targetEntity.isRoot()) {
if (targetEntity.getPrimaryKey().isSimple()) {
// fallback to pk attribute
targetAttribute = targetEntity.getPrimaryKey().getAttribute();
} else {
// TODO:
log.warn("TODO: support composite PK");
}
} else {
// move up the hierarchy and look after the target attribute which could be a non pk!
for (Entity e = targetEntity.getParent(); targetAttribute == null && e != null; e = e.getParent()) {
targetAttribute = e.getAttributeByTableAndColumnName(importedKey.getPkTableName(), importedKey.getPkColumnName());
}
if (targetAttribute == null) {
if (targetEntity.getRoot().getPrimaryKey().isSimple()) {
// fallback to pk attribute
targetAttribute = targetEntity.getRoot().getPrimaryKey().getAttribute();
} else {
// TODO:
log.warn("TODO: support composite PK");
}
}
}
}
return targetAttribute;
}
private List getTargetAttributes(ForeignKey fk, Entity targetEntity) {
List ta = new ArrayList();
for (ImportedKey ik : fk.getImportedKeys()) {
ta.add(getTargetAttribute(ik, targetEntity));
}
return ta;
}
// ---------------------------------------------------
// ACTIONS
// ---------------------------------------------------
/**
* @param relation
* @param associationActionGetters should be ordered from the broadest granularity to the finest granularity
*/
private void configureActions(Relation relation, AssociationActionGetter... associationActionGetters) {
if (associationActionGetters == null) {
return;
}
for (AssociationActionGetter associationActionGetter : associationActionGetters) {
if (associationActionGetter != null) {
AssociationAction associationAction = associationActionGetter.getAssociationAction();
if (associationAction != null) {
if (associationAction.getCreate() != null) {
relation.setGenCreate(associationAction.getCreate());
}
if (associationAction.getEdit() != null) {
relation.setGenEdit(associationAction.getEdit());
}
if (associationAction.getView() != null) {
relation.setGenView(associationAction.getView());
}
if (associationAction.getSelect() != null) {
relation.setGenSelect(associationAction.getSelect());
}
if (associationAction.getAutoComplete() != null) {
relation.setGenAutoComplete(associationAction.getAutoComplete());
}
if (associationAction.getRemove() != null) {
relation.setGenRemove(associationAction.getRemove());
}
}
}
}
}
// ---------------------------------------------------
// LABELS
// ---------------------------------------------------
private void setLabelSingular(LabelGetter lg, AbstractRelation ar) {
Labels labels = lg != null ? new Labels(lg.getLabels()) : new Labels();
labels.setFallBack(toReadableLabel(ar.getTo().getVar()));
ar.setLabels(labels);
}
private void setLabelPlural(LabelGetter lg, AbstractRelation ar) {
Labels labels = lg != null ? new Labels(lg.getLabels()) : new Labels();
labels.setFallBack(toReadablePluralLabel(ar.getTo().getVars()));
ar.setLabels(labels);
}
private void initDisplayOrderAsString(OneToManyConfig o2mConfig, AbstractRelation ar) {
if (o2mConfig != null) {
ar.setDisplayOrderAsString(orderToString(o2mConfig.getDisplayOrder(), o2mConfig.getVar()));
}
}
private void initDisplayOrderAsString(ManyToManyConfig m2mConfig, AbstractRelation ar) {
if (m2mConfig != null) {
ar.setDisplayOrderAsString(orderToString(m2mConfig.getDisplayOrder(), m2mConfig.getVar()));
}
}
}
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