Package com.igormaznitsa.jbbp.compiler.varlen

Interface JBBPIntegerValueEvaluator

All Superinterfaces:

Serializable

All Known Implementing Classes:

IntConstValueEvaluator, JBBPExpressionEvaluator, JBBPOnlyFieldEvaluator

public interface JBBPIntegerValueEvaluator
extends Serializable

The Interface describes a class which can evaluate and provide an integer value.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
int	eval(JBBPBitInputStream inStream, int currentCompiledBlockOffset, JBBPCompiledBlock block, JBBPNamedNumericFieldMap fieldMap)	Calculate an integer value.
void	visitItems(JBBPCompiledBlock block, int currentCompiledBlockOffset, ExpressionEvaluatorVisitor visitor)	Visit all expression items

Method Details

eval

int eval(JBBPBitInputStream inStream,
 int currentCompiledBlockOffset,
 JBBPCompiledBlock block,
 JBBPNamedNumericFieldMap fieldMap)

Calculate an integer value.

Parameters:

inStream - a bit input stream

currentCompiledBlockOffset - the current offset in the compiled block

block - a compiled script block

fieldMap - a named numeric field map

Returns:

calculated value as integer

visitItems

void visitItems(JBBPCompiledBlock block,
 int currentCompiledBlockOffset,
 ExpressionEvaluatorVisitor visitor)

Visit all expression items

Parameters:

block - the compiled block contains value, must not be null

currentCompiledBlockOffset - the offset of the data in the compiled block

visitor - the visitor to visit items, must not be null

Since:

1.3.0