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java.lang.Objectjd.xml.xpath.expr.ExpressionImpl
jd.xml.xpath.expr.BooleanExpression
BooleanExpression is an expression which evaluates to a boolean.
Field Summary |
Fields inherited from interface jd.xml.xpath.expr.Expression |
DEP_CONTEXT_NODE, DEP_CONTEXT_POSITION, DEP_CONTEXT_SIZE, DEP_CONTEXT_STATIC, DEP_NONE, DEP_UNKNOWN |
Constructor Summary | |
BooleanExpression()
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Method Summary | |
int |
getResultType()
Return XObject.TYPE_BOOLEAN. |
abstract boolean |
toBooleanValue(XPathContext context)
Evaluate the Expression to a boolean. |
double |
toNumberValue(XPathContext context)
Evaluate the Expression to a number. |
String |
toStringValue(XPathContext context)
Evaluate the Expression to a String. |
XObject |
toXObject(XPathContext context)
Evaluate the expression. |
Methods inherited from class jd.xml.xpath.expr.ExpressionImpl |
hasContextDependencies, isUniqueFilter, matchesFilter, toNode, toNodeSet, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface jd.xml.xpath.expr.Expression |
accept, getContextDependencies |
Constructor Detail |
public BooleanExpression()
Method Detail |
public final int getResultType()
public XObject toXObject(XPathContext context)
context
- the evaluation contextpublic String toStringValue(XPathContext context)
context
- the evaluation contextpublic double toNumberValue(XPathContext context)
context
- the evaluation contextpublic abstract boolean toBooleanValue(XPathContext context)
context
- the evaluation context
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