Java Doc for AbstractOperation.java in  » GIS » GeoTools-2.4.1 » org » geotools » coverage » processing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.coverage.processing   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.geotools.coverage.processing.AbstractOperation All known Subclasses:   org.geotools.coverage.processing.Operation2D, AbstractOperation abstract public class AbstractOperation implements Operation,Serializable(Code) Provides descriptive information for a processing operation. The descriptive information includes such information as the name of the operation, operation description, and number of source grid coverages required for the operation. since:    2.2 version:    $Id: AbstractOperation.java 25262 2007-04-23 21:11:16Z desruisseaux $ author:    Martin Desruisseaux Field Summary final protected  ParameterDescriptorGroup descriptor      The parameters descriptor. Constructor Summary public   AbstractOperation(ParameterDescriptorGroup descriptor)      Constructs an operation. Method Summary abstract public  Coverage doOperation(ParameterValueGroup parameters, Hints hints)      Applies a process operation to a coverage. protected static  void ensureNonNull(String name, Object object)      Makes sure that an argument is non-null. public  boolean equals(Object object)      Compares the specified object with this operation for equality. public  String getDescription()      Returns the description of the processing operation. public  String getDocURL()      Returns the URL for documentation on the processing operation. public  String getName()      Returns the name of the processing operation. public  int getNumSources()      Returns the number of source coverages required for the operation. public  ParameterValueGroup getParameters()      Returns an initially empty set of parameters. protected static  AbstractProcessor getProcessor(RenderingHints hints)      Returns the AbstractProcessor instance used for an operation. public  String getVendor()      Returns the vendor name of the processing operation implementation. public  String getVersion()      Returns the version number of the implementation. public  int hashCode()      Returns a hash value for this operation. public  String toString()      Returns a string représentation of this operation. Field Detail descriptor final protected ParameterDescriptorGroup descriptor(Code) The parameters descriptor. Constructor Detail AbstractOperation public AbstractOperation(ParameterDescriptorGroup descriptor)(Code) Constructs an operation. The operation name will be the same than the parameter descriptor name. Parameters:   descriptor - The parameters descriptor. Method Detail doOperation abstract public Coverage doOperation(ParameterValueGroup parameters, Hints hints) throws CoverageProcessingException(Code) Applies a process operation to a coverage. This method is invoked by DefaultProcessor . Parameters:   parameters - List of name value pairs for the parameters required for the operation. Parameters:   hints - A set of rendering hints, or null if none. The DefaultProcessor may provides hints for the following keys: Hints.COORDINATE_OPERATION_FACTORYand Hints.JAI_INSTANCE. The result as a coverage. throws:   CoverageProcessingException - if the operation can't be applied. ensureNonNull protected static void ensureNonNull(String name, Object object) throws IllegalArgumentException(Code) Makes sure that an argument is non-null. This is a convenience method for implementations in subclasses. Parameters:   name - Argument name. Parameters:   object - User argument. throws:   IllegalArgumentException - if object is null. equals public boolean equals(Object object)(Code) Compares the specified object with this operation for equality. getDescription public String getDescription()(Code) Returns the description of the processing operation. If there is no description, returns null . The default implementation returns the remarks. getDocURL public String getDocURL()(Code) Returns the URL for documentation on the processing operation. If no online documentation is available the string will be null. The default implementation returns null . getName public String getName()(Code) Returns the name of the processing operation. The default implementation returns the code name. getNumSources public int getNumSources()(Code) Returns the number of source coverages required for the operation. getParameters public ParameterValueGroup getParameters()(Code) Returns an initially empty set of parameters. getProcessor protected static AbstractProcessor getProcessor(RenderingHints hints)(Code) Returns the AbstractProcessor instance used for an operation. The instance is fetch from the rendering hints given to the AbstractOperation.doOperation method. If no processor is specified, then a default one is returned. Parameters:   hints - The rendering hints, or null if none. The AbstractProcessor instance in use (never null ). getVendor public String getVendor()(Code) Returns the vendor name of the processing operation implementation. The default implementation returns "Geotools 2". getVersion public String getVersion()(Code) Returns the version number of the implementation. hashCode public int hashCode()(Code) Returns a hash value for this operation. This value need not remain consistent between different implementations of the same class. toString public String toString()(Code) Returns a string représentation of this operation. The returned string is implementation dependent. It is usually provided for debugging purposes only. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)