root / branches / dal_time_support / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / impl / featureset / DynObjectFeatureFacade.java @ 35467
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program 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 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.fmap.dal.feature.impl.featureset; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.dynobject.exception.DynMethodException; |
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/**
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* {@link DynObject} implementation to facade a Feature and allow to be used
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* as a {@link DynObject}.
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*
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* This implementation may be reused to be used with many {@link Feature}
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* objects, but not at the same time.
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*
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* @author gvSIG Team
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* @version $Id$
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*/
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public class DynObjectFeatureFacade implements DynObject { |
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private Feature feature;
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private EditableFeature editable;
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private final Object lock = new Object(); |
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/**
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* Empty constructor.
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*/
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public DynObjectFeatureFacade() {
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// Nothing to do
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} |
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/**
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* Creates a facade over a {@link Feature}.
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*/
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public DynObjectFeatureFacade(Feature feature) {
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setFeature(feature); |
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} |
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public DynClass getDynClass() {
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return getFeature().getType();
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} |
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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return getFeature().get(name);
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} |
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public void setDynValue(String name, Object value) |
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throws DynFieldNotFoundException {
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synchronized (lock) {
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if (editable == null) { |
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editable = feature.getEditable(); |
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} |
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} |
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editable.set(name, value); |
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} |
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public boolean hasDynValue(String name) { |
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return getFeature().get(name) != null; |
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} |
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public Object invokeDynMethod(String name, DynObject context) |
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throws DynMethodException {
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throw new UnsupportedOperationException(); |
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} |
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public Object invokeDynMethod(int code, DynObject context) |
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throws DynMethodException {
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throw new UnsupportedOperationException(); |
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} |
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public void implement(DynClass dynClass) { |
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throw new UnsupportedOperationException(); |
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} |
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public void delegate(DynObject dynObject) { |
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throw new UnsupportedOperationException(); |
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} |
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public void clear() { |
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// Nothing to do
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} |
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public Feature getFeature() {
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return editable == null ? feature : editable; |
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} |
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public void setFeature(Feature feature) { |
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synchronized (lock) {
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this.feature = feature.getCopy();
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this.editable = null; |
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} |
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} |
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public EditableFeature getEditable() {
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return editable;
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} |
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} |