| /******************************************************************************* |
| * Copyright (c) 2009, 2015 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0, which accompanies this distribution |
| * and is available at https://www.eclipse.org/legal/epl-2.0/. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.jpa1.context.orm; |
| |
| import java.util.List; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.jpa.core.context.BaseColumn; |
| import org.eclipse.jpt.jpa.core.context.Entity; |
| import org.eclipse.jpt.jpa.core.context.JoinColumn; |
| import org.eclipse.jpt.jpa.core.context.JoinTable; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.SpecifiedRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.TableColumn; |
| import org.eclipse.jpt.jpa.core.context.TypeMapping; |
| import org.eclipse.jpt.jpa.core.context.VirtualOverrideRelationship; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmSpecifiedAssociationOverride; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmSpecifiedJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.orm.OrmSpecifiedJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.internal.context.JpaValidator; |
| import org.eclipse.jpt.jpa.core.internal.context.orm.AbstractOrmXmlContextModel; |
| import org.eclipse.jpt.jpa.core.internal.context.orm.GenericOrmOverrideJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.internal.context.orm.NullOrmJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.internal.jpa2.context.orm.GenericOrmOverrideJoinTableRelationshipStrategy2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.SpecifiedMappingRelationshipStrategy2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.VirtualOverrideRelationship2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.orm.OrmSpecifiedAssociationOverride2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.orm.OrmSpecifiedOverrideRelationship2_0; |
| import org.eclipse.jpt.jpa.core.resource.orm.XmlAssociationOverride; |
| import org.eclipse.jpt.jpa.db.Table; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericOrmOverrideRelationship |
| extends AbstractOrmXmlContextModel<OrmSpecifiedAssociationOverride> |
| implements OrmSpecifiedOverrideRelationship2_0 |
| { |
| protected SpecifiedRelationshipStrategy strategy; |
| |
| protected final OrmSpecifiedJoinColumnRelationshipStrategy joinColumnStrategy; |
| |
| // JPA 2.0 |
| protected final OrmSpecifiedJoinTableRelationshipStrategy joinTableStrategy; |
| |
| |
| public GenericOrmOverrideRelationship(OrmSpecifiedAssociationOverride parent) { |
| super(parent); |
| this.joinColumnStrategy = this.buildJoinColumnStrategy(); |
| this.joinTableStrategy = this.buildJoinTableStrategy(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel(IProgressMonitor monitor) { |
| super.synchronizeWithResourceModel(monitor); |
| this.joinColumnStrategy.synchronizeWithResourceModel(monitor); |
| this.joinTableStrategy.synchronizeWithResourceModel(monitor); |
| } |
| |
| @Override |
| public void update(IProgressMonitor monitor) { |
| super.update(monitor); |
| this.setStrategy(this.buildStrategy()); |
| this.joinColumnStrategy.update(monitor); |
| this.joinTableStrategy.update(monitor); |
| } |
| |
| |
| // ********** strategy ********** |
| |
| public SpecifiedRelationshipStrategy getStrategy() { |
| return this.strategy; |
| } |
| |
| protected void setStrategy(SpecifiedRelationshipStrategy strategy) { |
| SpecifiedRelationshipStrategy old = this.strategy; |
| this.strategy = strategy; |
| this.firePropertyChanged(STRATEGY_PROPERTY, old, strategy); |
| } |
| |
| protected SpecifiedRelationshipStrategy buildStrategy() { |
| return this.isJpa2_0Compatible() ? |
| this.buildStrategy2_0() : |
| this.joinColumnStrategy; |
| } |
| |
| /** |
| * The overridden mapping determines the override's strategy. |
| */ |
| protected SpecifiedRelationshipStrategy buildStrategy2_0() { |
| SpecifiedMappingRelationshipStrategy2_0 mappingStrategy = this.getMappingStrategy(); |
| return (mappingStrategy != null) ? |
| (SpecifiedRelationshipStrategy) mappingStrategy.selectOverrideStrategy(this) : |
| this.buildMissingMappingStrategy(); |
| } |
| |
| /** |
| * Get the strategy from the overridden mapping. |
| */ |
| protected SpecifiedMappingRelationshipStrategy2_0 getMappingStrategy() { |
| RelationshipMapping mapping = this.getMapping(); |
| return (mapping == null) ? null : (SpecifiedMappingRelationshipStrategy2_0) mapping.getRelationship().getStrategy(); |
| } |
| |
| /** |
| * Return the strategy to use when the override's name does not match the |
| * name of an appropriate relationship mapping. |
| */ |
| protected SpecifiedRelationshipStrategy buildMissingMappingStrategy() { |
| return this.joinColumnStrategy.hasSpecifiedJoinColumns() ? |
| this.joinColumnStrategy : |
| this.joinTableStrategy; |
| } |
| |
| |
| // ********** join column strategy ********** |
| |
| public OrmSpecifiedJoinColumnRelationshipStrategy getJoinColumnStrategy() { |
| return this.joinColumnStrategy; |
| } |
| |
| public boolean strategyIsJoinColumn() { |
| return this.strategy == this.joinColumnStrategy; |
| } |
| |
| public void setStrategyToJoinColumn() { |
| this.joinColumnStrategy.addStrategy(); |
| this.joinTableStrategy.removeStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinColumn() { |
| // association overrides do not have defaults |
| return false; |
| } |
| |
| protected OrmSpecifiedJoinColumnRelationshipStrategy buildJoinColumnStrategy() { |
| return new GenericOrmOverrideJoinColumnRelationshipStrategy(this); |
| } |
| |
| |
| // ********** join table strategy ********** |
| |
| public OrmSpecifiedJoinTableRelationshipStrategy getJoinTableStrategy() { |
| return this.joinTableStrategy; |
| } |
| |
| public boolean strategyIsJoinTable() { |
| return this.strategy == this.joinTableStrategy; |
| } |
| |
| public void setStrategyToJoinTable() { |
| this.joinTableStrategy.addStrategy(); |
| this.joinColumnStrategy.removeStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinTable() { |
| // association overrides do not have defaults |
| return false; |
| } |
| |
| protected OrmSpecifiedJoinTableRelationshipStrategy buildJoinTableStrategy() { |
| return this.isJpa2_0Compatible() ? |
| new GenericOrmOverrideJoinTableRelationshipStrategy2_0(this) : |
| new NullOrmJoinTableRelationshipStrategy(this); |
| } |
| |
| |
| // ********** conversions ********** |
| |
| public void initializeFrom(VirtualOverrideRelationship virtualRelationship) { |
| this.joinColumnStrategy.initializeFrom(virtualRelationship.getJoinColumnStrategy()); |
| if (this.isJpa2_0Compatible()) { |
| this.joinTableStrategy.initializeFrom(((VirtualOverrideRelationship2_0) virtualRelationship).getJoinTableStrategy()); |
| } |
| } |
| |
| |
| // ********** misc ********** |
| |
| protected OrmSpecifiedAssociationOverride getAssociationOverride() { |
| return this.parent; |
| } |
| |
| protected OrmSpecifiedAssociationOverride2_0 getAssociationOverride2_0() { |
| return (OrmSpecifiedAssociationOverride2_0) this.getAssociationOverride(); |
| } |
| |
| public XmlAssociationOverride getXmlContainer() { |
| return this.getAssociationOverride().getXmlOverride(); |
| } |
| |
| public TypeMapping getTypeMapping() { |
| return this.getAssociationOverride().getTypeMapping(); |
| } |
| |
| public String getAttributeName() { |
| return this.getAssociationOverride().getName(); |
| } |
| |
| public boolean tableNameIsInvalid(String tableName) { |
| return this.getAssociationOverride().tableNameIsInvalid(tableName); |
| } |
| |
| public Iterable<String> getCandidateTableNames() { |
| return this.getAssociationOverride().getCandidateTableNames(); |
| } |
| |
| public Table resolveDbTable(String tableName) { |
| return this.getAssociationOverride().resolveDbTable(tableName); |
| } |
| |
| public String getDefaultTableName() { |
| return this.getAssociationOverride().getDefaultTableName(); |
| } |
| |
| public JpaValidator buildColumnValidator(BaseColumn column, TableColumn.ParentAdapter parentAdapter) { |
| return this.getAssociationOverride().buildColumnValidator(column, parentAdapter); |
| } |
| |
| public Entity getEntity() { |
| TypeMapping typeMapping = this.getTypeMapping(); |
| return (typeMapping instanceof Entity) ? (Entity) typeMapping : null; |
| } |
| |
| public boolean isVirtual() { |
| return false; |
| } |
| |
| public RelationshipMapping getMapping() { |
| return this.getAssociationOverride().getMapping(); |
| } |
| |
| |
| // ********** validation ********** |
| |
| public TextRange getValidationTextRange() { |
| return this.getAssociationOverride().getValidationTextRange(); |
| } |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter) { |
| super.validate(messages, reporter); |
| // prevent NPE on JPA 2_0 platforms |
| // this.strategy == null when the mapping relationship strategy, e.g. mapped-by, cannot be overridden |
| if (this.strategy != null) { |
| this.strategy.validate(messages, reporter); |
| } |
| } |
| |
| public JpaValidator buildJoinTableValidator(JoinTable table) { |
| return this.getAssociationOverride2_0().buildJoinTableValidator(table); |
| } |
| |
| public JpaValidator buildJoinTableJoinColumnValidator(JoinColumn column, JoinColumn.ParentAdapter parentAdapter) { |
| return this.getAssociationOverride2_0().buildJoinTableJoinColumnValidator(column, parentAdapter); |
| } |
| |
| public JpaValidator buildJoinTableInverseJoinColumnValidator(JoinColumn column, JoinColumn.ParentAdapter parentAdapter) { |
| return this.getAssociationOverride2_0().buildJoinTableInverseJoinColumnValidator(column, parentAdapter); |
| } |
| |
| // ********** completion proposals ********** |
| |
| @Override |
| public Iterable<String> getCompletionProposals(int pos) { |
| Iterable<String> result = super.getCompletionProposals(pos); |
| if (result != null) { |
| return result; |
| } |
| |
| return this.strategy == null ? null : this.strategy.getCompletionProposals(pos); |
| } |
| } |