| /******************************************************************************* |
| * Copyright (c) 2010, 2013 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.context; |
| |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.common.utility.internal.predicate.CriterionPredicate; |
| import org.eclipse.jpt.common.utility.iterable.ListIterable; |
| import org.eclipse.jpt.jpa.core.internal.context.JpaValidator; |
| import org.eclipse.jpt.jpa.db.Table; |
| |
| /** |
| * attribute or association override container |
| * <p> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @version 3.3 |
| * @since 2.3 |
| */ |
| public interface OverrideContainer |
| extends JpaContextModel |
| { |
| /** |
| * Return the type mapping that contains the override container. |
| * For example:<ul> |
| * <li>for an entity, this would be the entity itself |
| * <li>for an embedded, this would be type mapping where the embedded is |
| * declared, as opposed to the type mapping the embedded references |
| * </ul> |
| */ |
| TypeMapping getTypeMapping(); |
| |
| /** |
| * Return the type mapping that contains the attributes/associations to |
| * be overridden; though the type mapping may not <em>directly</em> |
| * own them (e.g. they may be owned by a supertype mapping). |
| * For example:<ul> |
| * <li>for an entity, this would be the entity's supertype mapping |
| * <li>for an embedded, this would be the embedded's target type mapping |
| * </ul> |
| */ |
| TypeMapping getOverridableTypeMapping(); |
| |
| /** |
| * Return the names of all the attributes that can be overridden |
| * (i.e. an override must have a name from this list). |
| * This is usually just all of the overridable names of the overridable |
| * type mapping. |
| * @see #getOverridableTypeMapping() |
| */ |
| Iterable<String> getAllOverridableNames(); |
| |
| /** |
| * Return whether the specified table cannot be explicitly specified |
| * as the table for an override's column or join column. |
| */ |
| boolean tableNameIsInvalid(String tableName); |
| |
| /** |
| * Return the names of tables that are valid for an override's |
| * column or join column. |
| */ |
| Iterable<String> getCandidateTableNames(); |
| |
| /** |
| * Return the database table for the specified table name. |
| */ |
| Table resolveDbTable(String tableName); |
| |
| /** |
| * Return the name of the default table for an override's column or join column. |
| */ |
| String getDefaultTableName(); |
| |
| JpaValidator buildOverrideValidator(Override_ override); |
| |
| JpaValidator buildColumnValidator(Override_ override, BaseColumn column, TableColumn.ParentAdapter parentAdapter); |
| |
| |
| // ********** overrides ********** |
| |
| /** |
| * Return the overrides, both <em>specified</em> and <em>virtual</em>. |
| */ |
| ListIterable<? extends Override_> getOverrides(); |
| |
| /** |
| * Return the number of overrides, both <em>specified</em> and <em>virtual</em>. |
| */ |
| int getOverridesSize(); |
| |
| /** |
| * Return the override with the specified name, |
| * whether <em>specified</em> or <em>virtual</em>. |
| */ |
| // TODO look into getting rid of this; |
| // we should probably use #getSpecifiedOverrideNamed(String) |
| Override_ getOverrideNamed(String name); |
| |
| |
| // ********** specified overrides ********** |
| |
| /** |
| * Return the <em>specified</em> overrides. The container has no API for |
| * adding or removing <em>specified</em> overrides. The container's |
| * <em>virtual</em> overrides are built according to the list of overridable |
| * attribute names returned by the container's parent. <em>Specified</em> |
| * overrides can be created via {@link VirtualOverride#convertToSpecified()}. |
| * <em>Specified</em> overrides can be remvoed via |
| * {@link SpecifiedOverride#convertToVirtual()}. |
| */ |
| ListIterable<? extends SpecifiedOverride> getSpecifiedOverrides(); |
| String SPECIFIED_OVERRIDES_LIST = "specifiedOverrides"; //$NON-NLS-1$ |
| |
| /** |
| * Return the number of <em>specified</em> overrides. |
| */ |
| int getSpecifiedOverridesSize(); |
| |
| /** |
| * Return the <em>specified</em> override at the specified index. |
| */ |
| SpecifiedOverride getSpecifiedOverride(int index); |
| |
| /** |
| * Move the <em>specified</em> override from the source index to the |
| * target index. |
| */ |
| void moveSpecifiedOverride(int targetIndex, int sourceIndex); |
| |
| /** |
| * Return the <em>specified</em> override at the specified index. |
| */ |
| SpecifiedOverride getSpecifiedOverrideNamed(String name); |
| |
| /** |
| * Convert the specified <em>specified</em> override to <em>virtual</em>. |
| * Return the new override. |
| */ |
| VirtualOverride convertOverrideToVirtual(SpecifiedOverride specifiedOverride); |
| |
| |
| // ********** virtual overrides ********** |
| |
| /** |
| * Return the <em>virtual</em> overrides (i.e. those not <em>specified</em>). |
| */ |
| // TODO change to a Iterable instead of ListIterable? |
| ListIterable<? extends VirtualOverride> getVirtualOverrides(); |
| String VIRTUAL_OVERRIDES_LIST = "virtualOverrides"; //$NON-NLS-1$ |
| |
| /** |
| * Return the number of <em>virtual</em> overrides. |
| */ |
| int getVirtualOverridesSize(); |
| |
| /** |
| * Convert the specified <em>virtual</em> override to <em>specified</em>. |
| * Return the new override. |
| */ |
| SpecifiedOverride convertOverrideToSpecified(VirtualOverride virtualOverride); |
| |
| |
| // ********** container parent adapter ********** |
| |
| interface ParentAdapter { |
| |
| JpaContextModel getOverrideContainerParent(); |
| |
| /** |
| * @see OverrideContainer#getTypeMapping() |
| */ |
| TypeMapping getTypeMapping(); |
| |
| class AttributeIsOverridable |
| extends CriterionPredicate<String, ParentAdapter> |
| { |
| public AttributeIsOverridable(ParentAdapter parentAdapter) { |
| super(parentAdapter); |
| } |
| public boolean evaluate(String attributeName) { |
| return ! this.criterion.getTypeMapping().attributeIsDerivedId(attributeName); |
| } |
| } |
| |
| /** |
| * @see OverrideContainer#getOverridableTypeMapping() |
| */ |
| TypeMapping getOverridableTypeMapping(); |
| |
| /** |
| * @see OverrideContainer#getAllOverridableNames() |
| */ |
| Iterable<String> getAllOverridableNames(); |
| |
| /** |
| * @see OverrideContainer#getDefaultTableName() |
| */ |
| String getDefaultTableName(); |
| |
| /** |
| * @see OverrideContainer#tableNameIsInvalid(String) |
| */ |
| boolean tableNameIsInvalid(String tableName); |
| |
| /** |
| * @see OverrideContainer#resolveDbTable(String) |
| */ |
| org.eclipse.jpt.jpa.db.Table resolveDbTable(String tableName); |
| |
| /** |
| * @see OverrideContainer#getCandidateTableNames() |
| */ |
| Iterable<String> getCandidateTableNames(); |
| |
| TextRange getValidationTextRange(); |
| |
| JpaValidator buildOverrideValidator(Override_ override, OverrideContainer container); |
| |
| JpaValidator buildColumnValidator(Override_ override, BaseColumn column, TableColumn.ParentAdapter parentAdapter); |
| } |
| } |