parameter.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

<DT><B>Throws:</B>
<DD><CODE>InvalidParameterTypeException</CODE> - if the value is not a reference to a file or an URI.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#getValue()"><CODE>getValue()</CODE></A>, 
<A HREF="../../../org/geotools/parameter/Parameter.html#setValue(java.lang.Object)"><CODE>setValue(Object)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getValue()"><!-- --></A><H3>
getValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getValue</B>()</PRE>
<DL>
<DD>Returns the parameter value as an object. The object type is typically a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Double.html" title="class or interface in java.lang"><CODE>Double</CODE></A>,
 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang"><CODE>Integer</CODE></A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Boolean.html" title="class or interface in java.lang"><CODE>Boolean</CODE></A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang"><CODE>String</CODE></A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URI.html" title="class or interface in java.net"><CODE>URI</CODE></A>,  or
 .
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The parameter value as an object.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#setValue(java.lang.Object)"><CODE>setValue(Object)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setValue(double, javax.units.Unit)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(double&nbsp;value,
                     <A HREF="http://jsr-108.sourceforge.net/javadoc/javax/units/Unit.html" title="class or interface in javax.units">Unit</A>&nbsp;unit)
              throws InvalidParameterValueException</PRE>
<DL>
<DD>Set the parameter value as a floating point and its associated unit.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The parameter value.<DD><CODE>unit</CODE> - The unit for the specified value.
<DT><B>Throws:</B>
<DD><CODE>InvalidParameterValueException</CODE> - if the floating point type is inappropriate for this
         parameter, or if the value is illegal for some other reason (for example a value out
         of range).<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#setValue(double)"><CODE>setValue(double)</CODE></A>, 
<A HREF="../../../org/geotools/parameter/Parameter.html#doubleValue(javax.units.Unit)"><CODE>doubleValue(Unit)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setValue(double)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(double&nbsp;value)
              throws InvalidParameterValueException</PRE>
<DL>
<DD>Set the parameter value as a floating point.
 The unit, if any, stay unchanged.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The parameter value.
<DT><B>Throws:</B>
<DD><CODE>InvalidParameterValueException</CODE> - if the floating point type is inappropriate for this
         parameter, or if the value is illegal for some other reason (for example a value out
         of range).<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#setValue(double, javax.units.Unit)"><CODE>setValue(double,Unit)</CODE></A>, 
<A HREF="../../../org/geotools/parameter/Parameter.html#doubleValue()"><CODE>doubleValue()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setValue(int)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(int&nbsp;value)
              throws InvalidParameterValueException</PRE>
<DL>
<DD>Set the parameter value as an integer.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The parameter value.
<DT><B>Throws:</B>
<DD><CODE>InvalidParameterValueException</CODE> - if the integer type is inappropriate for this parameter,
         or if the value is illegal for some other reason (for example a value out of range).<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#intValue()"><CODE>intValue()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setValue(boolean)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(boolean&nbsp;value)
              throws InvalidParameterValueException</PRE>
<DL>
<DD>Set the parameter value as a boolean.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The parameter value.
<DT><B>Throws:</B>
<DD><CODE>InvalidParameterValueException</CODE> - if the boolean type is inappropriate for this parameter.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#booleanValue()"><CODE>booleanValue()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setValue(java.lang.Object)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;value)
              throws InvalidParameterValueException</PRE>
<DL>
<DD>Set the parameter value as an object. The object type is typically a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Double.html" title="class or interface in java.lang"><CODE>Double</CODE></A>,
 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang"><CODE>Integer</CODE></A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Boolean.html" title="class or interface in java.lang"><CODE>Boolean</CODE></A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang"><CODE>String</CODE></A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URI.html" title="class or interface in java.net"><CODE>URI</CODE></A>, 
 or .
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The parameter value.
<DT><B>Throws:</B>
<DD><CODE>InvalidParameterValueException</CODE> - if the type of  is inappropriate
         for this parameter, or if the value is illegal for some other reason (for example
         the value is numeric and out of range).<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/parameter/Parameter.html#getValue()"><CODE>getValue()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setValue(double[], javax.units.Unit)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <B>setValue</B>(double[]&nbsp;values,
                     <A HREF="http://jsr-108.sourceforge.net/javadoc/javax/units/Unit.html" title="class or interface in javax.units">Unit</A>&nbsp;unit)
              throws InvalidParameterValueException</PRE>
<DL>
<DD>Set the parameter value as an array of floating point and their associated unit.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>setValue</CODE> in interface <CODE>ParameterValue</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>values</CODE> - The parameter values.<DD><CODE>unit</CODE> - The unit for the specified value.
<DT><B>Throws:</B>
<DD><CODE>InvalidParameterValueException</CODE> - if the floating point type is inappropriate for this
         parameter, or if the value is illegal for some other reason (for example a value out
         of range).</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</PRE>
<DL>
<DD>Compares the specified object with this parameter for equality.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/parameter/AbstractParameter.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../org/geotools/parameter/AbstractParameter.html" title="class in org.geotools.parameter">AbstractParameter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>object</CODE> - The object to compare to .
<DT><B>Returns:</B><DD> if both objects are equal.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns a hash value for this parameter.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/parameter/AbstractParameter.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../../org/geotools/parameter/AbstractParameter.html" title="class in org.geotools.parameter">AbstractParameter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The hash code value. This value doesn't need to be the same
         in past or future versions of this class.</DL>
</DD>
</DL>
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