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| package org.apache.hivemind.schema.impl; |
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| import java.util.ArrayList; |
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| import java.util.Collections; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.hivemind.internal.Module; |
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| import org.apache.hivemind.internal.Visibility; |
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| import org.apache.hivemind.parse.BaseAnnotationHolder; |
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| import org.apache.hivemind.schema.AttributeModel; |
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| import org.apache.hivemind.schema.ElementModel; |
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| import org.apache.hivemind.schema.Schema; |
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| public class SchemaImpl extends BaseAnnotationHolder implements Schema |
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| { |
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| private List _elementModels; |
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| private List _shareableElementModels; |
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| private Visibility _visibility = Visibility.PUBLIC; |
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| private Module _module; |
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| private String _id; |
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| public String getModuleId()
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| { |
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| return _module.getModuleId();
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| } |
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| public String getId()
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| { |
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| return _id;
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| } |
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| public Visibility getVisibility()
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| { |
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| return _visibility;
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| } |
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| public boolean visibleToModule(String moduleId)
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| { |
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| if (_visibility == Visibility.PUBLIC)
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| return true;
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| return getModuleId().equals(moduleId);
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| } |
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| public void addElementModel(ElementModel model)
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| { |
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| if (_elementModels == null)
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| _elementModels = new ArrayList();
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| _elementModels.add(model);
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| _shareableElementModels = null;
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| } |
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| public List getElementModel()
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| { |
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| if (_shareableElementModels == null)
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| _shareableElementModels = _elementModels == null ? Collections.EMPTY_LIST : Collections
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| .unmodifiableList(_elementModels); |
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| return _shareableElementModels;
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| } |
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| public boolean canInstancesBeKeyed()
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| { |
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| boolean emptyModel = _elementModels == null || _elementModels.isEmpty();
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| if (emptyModel)
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| return false;
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| for (Iterator i = _elementModels.iterator(); i.hasNext();)
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| { |
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| ElementModel model = (ElementModel) i.next();
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| if (model.getKeyAttribute() == null)
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| return false;
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| } |
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| return true;
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| } |
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| public void validateKeyAttributes()
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| { |
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| if (_elementModels == null)
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| return;
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| for (Iterator i = _elementModels.iterator(); i.hasNext();)
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| { |
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| ElementModel em = (ElementModel) i.next();
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| String key = em.getKeyAttribute();
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| if (key == null)
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| continue;
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| AttributeModel keyAm = em.getAttributeModel(key);
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| if (keyAm == null)
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| throw new ApplicationRuntimeException("Key attribute \'" + key + "\' of element \'"
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| + em.getElementName() + "\' never declared.", em.getLocation(), null); |
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| } |
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| } |
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| public void setVisibility(Visibility visibility)
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| { |
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| _visibility = visibility;
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| } |
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| public void setModule(Module module)
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| { |
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| _module = module;
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| } |
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| public void setId(String id)
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| { |
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| _id = id;
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| } |
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5858
| public Module getDefiningModule()
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| { |
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| return _module;
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| } |
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| } |