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Revision 3b0bc0db

Added by Patrick Plitzner over 7 years ago

ref #5458 performance tweak for distribution status selection

View differences:

src/main/java/eu/etaxonomy/cdm/vaadin/container/PresenceAbsenceTermContainer.java
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package eu.etaxonomy.cdm.vaadin.container;
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import java.util.Collection;


  		




  
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import java.util.HashSet;


  		




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import java.util.Set;


  		




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import com.vaadin.data.util.BeanItemContainer;


  		




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	private static final long serialVersionUID = -7891310979870159325L;


  		




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	public PresenceAbsenceTermContainer()


  		




  
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	private static PresenceAbsenceTermContainer instance;


  		




  
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	private static Collection<PresenceAbsenceTerm> defaultDistributionStatus;


  		




  
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	private PresenceAbsenceTermContainer()


  		




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			throws IllegalArgumentException {


  		




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		super(PresenceAbsenceTerm.class);


  		




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		Collection<PresenceAbsenceTerm> distributionStatus = (Set<PresenceAbsenceTerm>) VaadinSession.getCurrent().getAttribute(DistributionEditorUtil.SATTR_DISTRIBUTION_STATUS);


  		




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        if(distributionStatus==null || distributionStatus.isEmpty()){


  		




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            distributionStatus = CdmSpringContextHelper.getTermService().listByTermType(TermType.PresenceAbsenceTerm, null, null, null, null);


  		




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        }


  		




  
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		initDataModel();


  		




  
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	}


  		




  
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    private void initDataModel() {


  		




  
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        Collection<PresenceAbsenceTerm> distributionStatus = new HashSet<>();


  		




  
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        distributionStatus = CdmSpringContextHelper.getTermService().listByTermType(TermType.PresenceAbsenceTerm, null, null, null, null);


  		




  
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        defaultDistributionStatus = distributionStatus;


  		




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		TermCacher termCacher = TermCacher.getInstance();


  		




  
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		addAll(distributionStatus);


  		




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		for (PresenceAbsenceTerm presenceAbsenceTerm : distributionStatus) {


  		




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			termCacher.addPresenceAbsenceTerm(presenceAbsenceTerm);


  		




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			addBean(presenceAbsenceTerm);


  		




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		}


  		




  
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    }


  		




  
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	public static PresenceAbsenceTermContainer getInstance(){


  		




  
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	    if(instance==null){


  		




  
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	        instance = new PresenceAbsenceTermContainer();


  		




  
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	    }


  		




  
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        Collection<PresenceAbsenceTerm> distributionStatus = new HashSet<>();


  		




  
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        Object attribute = VaadinSession.getCurrent().getAttribute(DistributionEditorUtil.SATTR_DISTRIBUTION_STATUS);


  		




  
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        if(attribute!=null){


  		




  
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            distributionStatus = (Set<PresenceAbsenceTerm>) attribute;


  		




  
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        }


  		




  
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        if(!distributionStatus.isEmpty() && !distributionStatus.equals(defaultDistributionStatus)){


  		




  
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            instance.removeAllItems();


  		




  
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            instance.addAll(distributionStatus);


  		




  
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            defaultDistributionStatus = distributionStatus;


  		




  
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        }


  		




  
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	    return instance;


  		




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	}


  		




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}


  		












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