Examples of java.util.Vector.elementAt()

java.util.Vector.elementAt()
Returns the component at the specified index.
This method is identical in functionality to the {@link #get(int)}method (which is part of the {@link List} interface). @param index an index into this vector @return the component at the specified index @throws ArrayIndexOutOfBoundsException if the index is out of range( {@code index < 0 || index>= size()})

  private void setEnvironment() {
    // pass m_flowEnvironment to all components
    // that implement EnvironmentHandler
    Vector beans = BeanInstance.getBeanInstances(m_mainKFPerspective.getCurrentTabIndex());
    for (int i = 0; i < beans.size(); i++) {
      Object temp = ((BeanInstance) beans.elementAt(i)).getBean();


      if (temp instanceof EnvironmentHandler) {
        ((EnvironmentHandler) temp).setEnvironment(m_flowEnvironment);
      }
    }

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          layout.repaint();
          Vector beanInstances = 
            BeanInstance.getBeanInstances(m_mainKFPerspective.getCurrentTabIndex());
          for (int i = 0; i < beanInstances.size(); i++) {
            JComponent bean = 
              (JComponent)((BeanInstance)beanInstances.elementAt(i)).
              getBean();
            if (bean instanceof Visible) {
              ((Visible)bean).getVisual().setDisplayConnectors(false);
            }
          }

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            addComponent(tbi, false);
            tbi.addBean(m_beanLayout, m_mainKFPerspective.getCurrentTabIndex());
          }


          for (int i = 0; i < associatedConnections.size(); i++) {
            BeanConnection tbc = (BeanConnection) associatedConnections.elementAt(i);
            tbc.setHidden(false);
          }


          m_beanLayout.repaint();
          m_mainKFPerspective.setEditedStatus(true);

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            custItem.addActionListener(new ActionListener() {
              public void actionPerformed(ActionEvent e) {
                if (bc instanceof MetaBean) {
                  popupCustomizer(custClass,
                      (JComponent) ((BeanInstance) tempAssociatedBeans.
                          elementAt(tt)).getBean());
                } else {
                  popupCustomizer(custClass, bc);
                }

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            if (ok) {
              evntItem.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                  connectComponents(esd,
                      (bc instanceof MetaBean)
                      ? ((BeanInstance) finalOutputs.elementAt(fj)) : bi, xx, yy);
                  notifyIsDirty();
                }
              });
            } else {
              evntItem.setEnabled(false);

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            }
          }


          // show connector dots for output beans
          for (int i = 0; i < outputs.size(); i++) {
            BeanInstance temp = (BeanInstance)outputs.elementAt(i);
            if (temp.getBean() instanceof Visible) {
              ((Visible)temp.getBean()).getVisual().
              setDisplayConnectors(true, java.awt.Color.green);
            }
          }

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    int targetCount = 0;
    Vector beanInstances = 
      BeanInstance.getBeanInstances(m_mainKFPerspective.getCurrentTabIndex());
    for (int i = 0; i < beanInstances.size(); i++) {
      JComponent bean = 
        (JComponent)((BeanInstance)beanInstances.elementAt(i)).getBean();
      boolean connectable = false;
      boolean canContinue = false;
      if (bean != source) {
        if (bean instanceof MetaBean) {
          if (((MetaBean)bean).canAcceptConnection(listenerClass)) {

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          if (temp.getBean() instanceof Visible) {
            ((Visible)temp.getBean()).getVisual().removePropertyChangeListener(this);
          }
        }
        for (int i = 0; i < associatedConnections.size(); i++) {
          BeanConnection temp = (BeanConnection)associatedConnections.elementAt(i);
          temp.setHidden(true);
        }
        group.shiftBeans(bi, true);


        addComponent(bi, true);

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    // temporarily remove this panel as a property changle listener from
    // each bean
    Vector beans = BeanInstance.getBeanInstances(tabIndex);


    for (int i = 0; i < beans.size(); i++) {
      BeanInstance tempB = (BeanInstance) beans.elementAt(i);


      if (tempB.getBean() instanceof Visible) {
        ((Visible) (tempB.getBean())).getVisual()
        .removePropertyChangeListener(this);

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    }


    short[] serverIds = new short[list.size()];
    for (int i = 0; i < list.size(); i++) {
      serverIds[i] = 
        ((Short)list.elementAt(i)).shortValue();
    }


    // Create the socket here in order to throw an exception
    // if the socket can't be created (even if firstTime is false).
    ServerSocket serverSocket = new ServerSocket(port);

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