xmla_memberproperties.java

OLAP 的客户端代码

/*
 * ====================================================================
 * This software is subject to the terms of the Common Public License
 * Agreement, available at the following URL:
 *   http://www.opensource.org/licenses/cpl.html .
 * Copyright (C) 2003-2004 TONBELLER AG.
 * All Rights Reserved.
 * You must accept the terms of that agreement to use this software.
 * ====================================================================
 *
 * 
 */
package com.tonbeller.jpivot.xmla;

import java.util.Iterator;
import java.util.Map;

import org.apache.log4j.Logger;

import com.tonbeller.jpivot.core.ExtensionSupport;
import com.tonbeller.jpivot.olap.model.Level;
import com.tonbeller.jpivot.olap.model.Member;
import com.tonbeller.jpivot.olap.model.MemberPropertyMeta;
import com.tonbeller.jpivot.olap.navi.MemberProperties;

/**
 * retrieve member properties
 */
public class XMLA_MemberProperties extends ExtensionSupport implements MemberProperties {

  static Logger logger = Logger.getLogger(XMLA_MemberProperties.class);

  private MemberPropertyMeta[] visibleProps;

  public XMLA_MemberProperties() {
    super.setId(MemberProperties.ID);
  }

  /* get the property definitions for a certain level
   * @see com.tonbeller.jpivot.olap.navi.MemberProperties#getMemberPropertyMetas
   */
  public MemberPropertyMeta[] getMemberPropertyMetas(Level level) {
    XMLA_Level xlev = (XMLA_Level) level;
    Map propMap;
    // for SAP the properties are stored with the dimension
    XMLA_Model xmlaModel = (XMLA_Model) this.getModel();
    
    if (xmlaModel.isSAP() || xmlaModel.isMondrian()) {
      propMap = ((XMLA_Dimension) xlev.getHierarchy().getDimension()).getProps();
    } else {
      propMap = xlev.getProps();
    }
    if (propMap.size() == 0)
      return new MemberPropertyMeta[0];
    String scope = getPropertyScope(level);
    MemberPropertyMeta[] props = new MemberPropertyMeta[propMap.size()];
    int i = 0;
    for (Iterator iter = propMap.values().iterator(); iter.hasNext();) {
      XMLA_MemberProp prop = (XMLA_MemberProp) iter.next();
      String name = prop.getName();

      String caption = prop.getCaption();
      
      if (xmlaModel.isSAP() || xmlaModel.isMondrian())
        props[i++] = new MemberPropertyMeta(caption + " / " + name, name, scope);
      else
        props[i++] = new MemberPropertyMeta(caption, name, scope);
    }

    return props;
  }

  /**
   * @return true if level scope
   * @see com.tonbeller.jpivot.olap.navi.MemberProperties#isLevelScope()
   */
  public boolean isLevelScope() {
    return false;
  }

  /**
   * @return property scope for member
   * @see com.tonbeller.jpivot.olap.navi.MemberProperties#getPropertyScope
   */
  public String getPropertyScope(Member m) {
    Level level = m.getLevel();
    return getPropertyScope(level);
  }

  /**
   * returns the unique name of hierarchy 
   * @param level
   * @return unique name of hierarchy
   */
  private String getPropertyScope(Level level) {
    return ((XMLA_Dimension) level.getHierarchy().getDimension()).getUniqueName();
  }

  /**
   * sets the visible properties. Optimizing implementations of
   * PropertyHolder may only return these properties.
   * @see com.tonbeller.jpivot.olap.model.PropertyHolder
   */
  public void setVisibleProperties(MemberPropertyMeta[] props) {
    this.visibleProps = props;
    ((XMLA_Model) getModel()).fireModelChanged();
  }

  /**
    * sets the visible properties. Optimizing implementations of
    * PropertyHolder may only return these properties.
    * @see com.tonbeller.jpivot.olap.model.PropertyHolder
    */
  public MemberPropertyMeta[] getVisibleProperties() {
    return this.visibleProps;
  }

} // XMLA_MemberProperties