// $Id: SelectRangeDate.java 48 2006-07-12 16:15:40Z caron $
/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
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*
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package thredds.catalog.query;
/**
* Implementation of a DQC select range date.
*
* @author john caron
*/
public class SelectRangeDate extends Selector {
private String start, end, duration, resolution, selectType;
/**
* Construct from fields in XML catalog.
* @see Selector
*/
public SelectRangeDate( String start, String end, String duration,
String resolution, String selectType) {
this.start = start;
this.end = end;
this.duration = duration;
this.resolution = resolution;
this.selectType = selectType;
}
public String getStart() { return start; }
public String getEnd() { return end; }
public String getDuration() { return duration; }
public String getResolution() { return resolution; }
public String getSelectType() { return selectType; }
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof SelectRangeDate)) return false;
return o.hashCode() == this.hashCode();
}
/** Override Object.hashCode() to implement equals. */
public int hashCode() {
if (hashCode == 0) {
int result = 17;
if (getTitle() != null)
result = 37*result + getTitle().hashCode();
if (getId() != null)
result = 37*result + getId().hashCode();
if (getTemplate() != null)
result = 37*result + getTemplate().hashCode();
if (isRequired()) result++;
if (isMultiple()) result++;
if (getStart() != null)
result = 37*result + getStart().hashCode();
if (getEnd() != null)
result = 37*result + getEnd().hashCode();
if (getDuration() != null)
result = 37*result + getDuration().hashCode();
if (getResolution() != null)
result = 37*result + getResolution().hashCode();
if (getSelectType() != null)
result = 37*result + getSelectType().hashCode();
hashCode = result;
}
return hashCode;
}
private volatile int hashCode = 0; // Bloch, item 8
}