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java.lang.Object org.geotools.filter.expression.ExpressionAbstract org.geotools.filter.DefaultExpression org.geotools.filter.AttributeExpressionImpl2
Defines a complex filter (could also be called logical filter). This filter holds one or more filters together and relates them logically in an internally defined manner.
Field Summary | |
protected AttributeType |
at
Holds all sub filters of this filter. |
protected java.lang.String |
attPath
Holds all sub filters of this filter. |
Fields inherited from class org.geotools.filter.DefaultExpression |
expressionType, permissiveConstruction |
Fields inherited from interface org.geotools.filter.expression.ExpressionType |
ATTRIBUTE, ATTRIBUTE_DOUBLE, ATTRIBUTE_GEOMETRY, ATTRIBUTE_INTEGER, ATTRIBUTE_STRING, ATTRIBUTE_UNDECLARED, FUNCTION, LITERAL_DOUBLE, LITERAL_GEOMETRY, LITERAL_INTEGER, LITERAL_STRING, MATH_ADD, MATH_DIVIDE, MATH_MULTIPLY, MATH_SUBTRACT |
Constructor Summary | |
protected |
AttributeExpressionImpl2(AttributeType at)
Constructor with the schema for this attribute. |
Method Summary | |
java.lang.Object |
accept(org.opengis.filter.expression.ExpressionVisitor visitor,
java.lang.Object extraData)
Used by FilterVisitors to perform some action on this filter instance. |
boolean |
equals(java.lang.Object obj)
Compares this filter to the specified object. |
java.lang.Object |
evaluate(Feature feature)
Gets the value of this attribute from the passed feature. |
java.lang.String |
getAttributePath()
Deprecated. use getPropertyName() |
java.lang.String |
getPropertyName()
Gets the path to the attribute to be evaluated by this expression. |
int |
hashCode()
Override of hashCode method. |
void |
setAttributePath(java.lang.String attPath)
Deprecated. use setPropertyName(String) . |
void |
setPropertyName(java.lang.String name)
Unsupported operation |
java.lang.String |
toString()
Return this expression as a string. |
Methods inherited from class org.geotools.filter.DefaultExpression |
accept, evaluate, getType, getValue, isAttributeExpression, isExpression, isGeometryExpression, isLiteralExpression, isMathExpression, isMathExpression |
Methods inherited from class org.geotools.filter.expression.ExpressionAbstract |
eval |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.geotools.filter.expression.AttributeExpression |
getValue |
Methods inherited from interface org.geotools.filter.expression.Expression |
accept, getType |
Methods inherited from interface org.opengis.filter.expression.Expression |
evaluate |
Field Detail |
protected java.lang.String attPath
protected AttributeType at
Constructor Detail |
protected AttributeExpressionImpl2(AttributeType at)
Method Detail |
public final void setAttributePath(java.lang.String attPath) throws IllegalFilterException
setPropertyName(String)
.
setAttributePath
in interface AttributeExpression
attPath
- The initial (required) sub filter.
IllegalFilterException
- If the attribute path is not in the
schema.public final java.lang.String getAttributePath()
getPropertyName()
getPropertyName()
.
getAttributePath
in interface AttributeExpression
public java.lang.String getPropertyName()
getPropertyName
in interface org.opengis.filter.expression.PropertyName
{@link org.opengis.filter.expression.PropertyName#getPropertyName()}.
public void setPropertyName(java.lang.String name)
setPropertyName
in interface org.opengis.filter.expression.PropertyName
IllegalFilterException.
public java.lang.Object evaluate(Feature feature)
evaluate
in interface Expression
evaluate
in class DefaultExpression
feature
- Feature from which to extract attribute value.
public java.lang.String toString()
public boolean equals(java.lang.Object obj)
obj
- - the object to compare this ExpressionAttribute against.
public int hashCode()
public java.lang.Object accept(org.opengis.filter.expression.ExpressionVisitor visitor, java.lang.Object extraData)
accept
in interface org.opengis.filter.expression.Expression
accept
in class ExpressionAbstract
visitor
- The visitor which requires access to this filter, the
method must call visitor.visit(this);
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