本文整理了Java中org.opengis.filter.expression.Function.getParameters()方法的一些代码示例，展示了Function.getParameters()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Function.getParameters()方法的具体详情如下：
包路径：org.opengis.filter.expression.Function
类名称：Function
方法名：getParameters
[英]Returns the list subexpressions that will be evaluated to provide the parameters to the function.
[中]
代码示例来源：origin: geotools/geotools
public Object visit(Function expression, Object data) {
if (expression.getParameters() != null) {
for (Expression parameter : expression.getParameters()) {
data = parameter.accept(this, data);
}
}
return data;
}代码示例来源：origin: geotools/geotools
public Object visit(Function expression, Object data) {
if (expression.getParameters() != null) {
for (Expression parameter : expression.getParameters()) {
data = parameter.accept(this, data);
}
}
return data;
}代码示例来源：origin: geotools/geotools
/** Visit each parameter and check if they are static */
public Boolean visit(Function expression, Object data) {
boolean isStatic = true;
if (expression.getParameters() != null) {
for (Expression parameter : expression.getParameters()) {
isStatic = (Boolean) parameter.accept(this, data);
if (isStatic == false) break;
}
}
return isStatic;
}
/**代码示例来源：origin: geotools/geotools
public Object visit(Function expression, Object data) {
for (Expression parameter : expression.getParameters()) {
data = parameter.accept(this, data);
}
return found;
}代码示例来源：origin: geotools/geotools
public Object visit(Function expr, Object extraData) {
for (int i = 0; i < expr.getParameters().size(); i++) {
((Expression) expr.getParameters().get(i)).accept(this, null);
}
capable = capable && fcs.supports(expr.getClass());
return null;
}代码示例来源：origin: geotools/geotools
public Object getProperty(Object object, QName name) throws Exception {
Function function = (Function) object;
// <xsd:element maxOccurs="unbounded" minOccurs="0" ref="ogc:expression"/>
if ("expression".equals(name.getLocalPart())) {
return function.getParameters();
}
// <xsd:attribute name="name" type="xsd:string" use="required"/>
if ("name".equals(name.getLocalPart())) {
return function.getName();
}
return null;
}
}代码示例来源：origin: geotools/geotools
@Override
public Object visit(Function expression, Object extraData) {
// geometry manipulation functions that we have today don't mess with the
// crs, but we might have to modify this if we get a function that
// assigns the CRS
for (Expression param : expression.getParameters()) {
Object result = param.accept(this, extraData);
if (result instanceof CoordinateReferenceSystem) {
return result;
}
}
return null;
}代码示例来源：origin: geotools/geotools
private Object buildExists(PropertyIsEqualTo filter, StringBuilder output) {
Function function = (Function) filter.getExpression1();
List<Expression> parameters = function.getParameters();
Literal arg = (Literal) parameters.get(0);
output.append(arg.getValue());
output.append(" EXISTS");
return output;
}代码示例来源：origin: geotools/geotools
public Object visit(Function expression, Object data) {
if (found(data)) return data;
if (expression.getParameters() != null) {
for (Expression parameter : expression.getParameters()) {
data = parameter.accept(this, data);
if (found(data)) return data;
}
}
return data;
}代码示例来源：origin: geotools/geotools
public FunctionBuilder reset(Function original) {
name = original.getName();
args.clear();
args.addAll(original.getParameters());
literal.reset(original.getFallbackValue());
return this;
}代码示例来源：origin: geotools/geotools
public Object visit(Function expression, Object extraData) {
String type = (String) "Function";
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "name", "name", "", expression.getName());
start(type, atts);
for (org.opengis.filter.expression.Expression parameter : expression.getParameters()) {
parameter.accept(this, extraData);
}
end(type);
return extraData;
}代码示例来源：origin: geotools/geotools
@Test
public void testGetArgs() {
assertNotNull(idExpr.getParameters());
assertEquals(0, idExpr.getParameters().size());
}
}代码示例来源：origin: geotools/geotools
@Override
public Object visit(Function f, Object extraData) {
FunctionName fn = f.getFunctionName();
if (fn != null && fn.getReturn() != null && fn.getReturn().getType() != Object.class) {
return fn.getReturn().getType();
} else if (f instanceof FilterFunction_Convert) {
// special case for the convert function, which has the return type as
// a parameter
return f.getParameters().get(1).evaluate(null, Class.class);
}
return null;
}代码示例来源：origin: geotools/geotools
public void testIntersectsFilterFunctionUnreferencedGeometry() throws Exception {
GeometryFactory gf = new GeometryFactory();
LineString ls =
gf.createLineString(
new Coordinate[] {new Coordinate(10, 15), new Coordinate(20, 25)});
Function intersects = ff.function("intersects", ff.property("geom"), ff.literal(ls));
Function clone = (Function) intersects.accept(reprojector, null);
assertNotSame(intersects, clone);
assertEquals(clone.getParameters().get(0), intersects.getParameters().get(0));
assertEquals(clone.getParameters().get(1), intersects.getParameters().get(1));
}代码示例来源：origin: geotools/geotools
public void testCatenateThree() {
Literal l1 = ff.literal("http://test?param=");
PropertyName pn = ff.property("intAttribute");
Literal l2 = ff.literal("¶m2=foo");
Expression cat = ExpressionExtractor.catenateExpressions(Arrays.asList(l1, pn, l2));
assertTrue(cat instanceof Function);
Function f = (Function) cat;
assertEquals("Concatenate", f.getName());
assertEquals(l1, f.getParameters().get(0));
assertEquals(pn, f.getParameters().get(1));
assertEquals(l2, f.getParameters().get(2));
}
}代码示例来源：origin: geotools/geotools
public void testCatenateTwo() {
Literal l = ff.literal("http://test?param=");
PropertyName pn = ff.property("intAttribute");
Expression cat = ExpressionExtractor.catenateExpressions(Arrays.asList(l, pn));
assertTrue(cat instanceof Function);
Function f = (Function) cat;
assertEquals("Concatenate", f.getName());
assertEquals(l, f.getParameters().get(0));
assertEquals(pn, f.getParameters().get(1));
}代码示例来源：origin: geotools/geotools
@Test
public void testFilterFunctionNoMarker() throws Exception {
String yaml = "rules: \n" + "- filter: strEndsWith(foo,'bar') = true\n";
StyledLayerDescriptor sld = Ysld.parse(yaml);
Rule r = SLD.defaultStyle(sld).featureTypeStyles().get(0).rules().get(0);
PropertyIsEqualTo f = (PropertyIsEqualTo) r.getFilter();
Function func = (Function) f.getExpression1();
assertEquals("strEndsWith", func.getName());
assertTrue(func.getParameters().get(0) instanceof PropertyName);
assertTrue(func.getParameters().get(1) instanceof Literal);
Literal lit = (Literal) f.getExpression2();
}代码示例来源：origin: geotools/geotools
@Test
public void testFilterFunctionWithMarker() throws Exception {
String yaml = "rules: \n" + "- filter: ${strEndsWith(foo,'bar') = true}\n";
StyledLayerDescriptor sld = Ysld.parse(yaml);
Rule r = SLD.defaultStyle(sld).featureTypeStyles().get(0).rules().get(0);
PropertyIsEqualTo f = (PropertyIsEqualTo) r.getFilter();
Function func = (Function) f.getExpression1();
assertEquals("strEndsWith", func.getName());
assertTrue(func.getParameters().get(0) instanceof PropertyName);
assertTrue(func.getParameters().get(1) instanceof Literal);
Literal lit = (Literal) f.getExpression2();
}代码示例来源：origin: geotools/geotools
public void testCountFunctionDescription() throws Exception {
// Create instance of function to get hold of the filter capabilities
PropertyName exp = ff.property("foo");
Function func = ff.function("Collection_Count", exp);
// Expecting one function parameter
assertEquals(func.getParameters().size(), 1);
// Test return parameter
assertEquals(func.getFunctionName().getReturn().toString(), "count:Number");
}代码示例来源：origin: geotools/geotools
public void testParse() throws Exception {
FilterMockData.function(document, document);
Function function = (Function) parse();
assertEquals("min", function.getName());
assertEquals(2, function.getParameters().size());
}内容来源于网络，如有侵权，请联系作者删除！