Condition.java

/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2016 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.platform.dataaccess.metadata.model.impl;

import org.pentaho.metadata.model.concept.types.DataType;
import org.pentaho.metadata.query.model.CombinationType;
import org.pentaho.platform.dataaccess.metadata.model.ICondition;
import org.pentaho.platform.dataaccess.metadata.model.Operator;

public class Condition implements ICondition {

  private static final long serialVersionUID = 6382700024558898605L;
  private String column;
  private String category;
  private String operator = Operator.EQUAL.name();
  private String[] value;
  private String comboType = CombinationType.AND.name();
  //  private boolean parameterized;
  //  private String defaultValue;
  //  private String selectedAggType;

  public Condition() {

  }

  public String getColumn() {
    return this.column;
  }

  public String getCombinationType() {
    return this.comboType;
  }

  public String getOperator() {
    return this.operator;
  }

  public String[] getValue() {
    return this.value;
  }

  public void setColumn( String column ) {
    this.column = column;
  }

  public void setCombinationType( String combinationType ) {
    this.comboType = combinationType;
  }

  public void setOperator( String operator ) {
    this.operator = operator;
  }

  public void setValue( String[] value ) {
    this.value = value;
  }

  public boolean validate() {
    return true;
  }

  public String getCondition( String type ) {
    return getCondition( type, column );
  }

  public String getCondition( String type, String paramName ) {
    String[] val = getValue().clone();
/*
    if(val == null && defaultValue != null) {
      val = defaultValue;
    }
*/
    Operator theOperator = Operator.parse( getOperator() );
    if ( type.equalsIgnoreCase( DataType.STRING.getName() ) && theOperator == Operator.EQUAL ) {
      theOperator = Operator.EXACTLY_MATCHES;
    }

    if ( type.equalsIgnoreCase( DataType.STRING.getName() ) ) {
      for ( int idx = 0; idx < val.length; idx++ ) {
        val[ idx ] = "\"" + val[ idx ] + "\"";         //$NON-NLS-1$ //$NON-NLS-2$
      }
    }
    boolean enforceParameters = paramName != null;
    String columnName = "[" + getCategory() + "." + getColumn() + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$;
    // Date is a special case where we craft a formula function.
    if ( type.equals( DataType.DATE.getName() ) ) {
      if ( enforceParameters ) {
        // Due to the fact that the value of a Date is a forumula function, the tokenizing of
        // the value needs to happen here instead of letting the Operator class handle it.
        for ( int idx = 0; idx < val.length; idx++ ) {
          val[ idx ] = "DATEVALUE(" + "[param:" + getValue()[ idx ].replaceAll( "[\\{\\}]", "" ) + "]"
            + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
        }
        return theOperator.formatCondition( columnName, paramName, val, false );
      } else {
        for ( int idx = 0; idx < val.length; idx++ ) {
          val[ idx ] = "DATEVALUE(\"" + val[ idx ] + "\")"; //$NON-NLS-1$ //$NON-NLS-2$
        }
      }
    }
    return theOperator.formatCondition( columnName, paramName, val, enforceParameters );
  }

  /*
    public boolean isParameterized() {
      return parameterized;
    }

    public void setParameterized(boolean parameterized) {
     this.parameterized = parameterized;
    }
  /
    public void setDefaultValue(String val){
      this.defaultValue = val;
    }

    public String getDefaultValue(){
      return this.defaultValue;
    }

    public void setSelectedAggType(String aggType){
      this.selectedAggType = aggType;
    }

    public String getSelectedAggType(){
      return this.selectedAggType;
    }
  */
  public String getCategory() {
    return category;
  }

  public void setCategory( String category ) {
    this.category = category;
  }

}