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/** |
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$Id$ |
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Copyright (C) 2015 Nicklas Nordborg |
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 3 |
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of the License, or (at your option) any later version. |
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with BASE. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package net.sf.basedb.util.listable; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.List; |
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import net.sf.basedb.core.Item; |
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import net.sf.basedb.core.SyncFilter.SourceItemTransform; |
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/** |
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Abstract base class for source item transformer factories that can be useful |
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for implementing some common functionality. |
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@author Nicklas |
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@since 3.5 |
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*/ |
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public abstract class AbstractSourceItemTransformerFactory |
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implements SourceItemTransformerFactory |
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{ |
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private final Item target; |
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private final List<Item> parentToChild; |
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private final List<Item> childToParent; |
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/** |
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Create a new instance supports transformation between the given |
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source items and target item. |
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@param target The supported target item type |
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@param parentToChild The supported source item types for {@link SourceItemTransform#PARENT_TO_CHILD} transform |
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@param childToParent The supported source item types for {@link SourceItemTransform#CHILD_TO_PARENT} transform |
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*/ |
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protected AbstractSourceItemTransformerFactory(Item target, Item[] parentToChild, Item[] childToParent) |
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{ |
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this.target = target; |
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this.parentToChild = Collections.unmodifiableList(Arrays.asList(parentToChild)); |
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this.childToParent = Collections.unmodifiableList(Arrays.asList(childToParent)); |
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} |
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@Override |
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public Item getTargetItem() |
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{ |
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return target; |
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} |
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@Override |
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public List<Item> getSupportedSourceItems(SourceItemTransform transform) |
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{ |
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List<Item> supported = null; |
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if (transform == SourceItemTransform.PARENT_TO_CHILD) |
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{ |
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supported = parentToChild; |
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} |
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else if (transform == SourceItemTransform.CHILD_TO_PARENT) |
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{ |
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supported = childToParent; |
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} |
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return supported; |
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} |
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} |