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java.lang.Objectcom.jaxfront.core.rule.MathEvaluator
public class MathEvaluator
MathEvaluator provides a simple mechanism to evaluate algebraic expressions. It uses and extends the JEP Parser hosted by sourcefourge.net. Only with the MathEvaluator.class it's possible to use nodeFunctions! NodeFunctions are functions that uses Nodes (Types) referenced by a TypePath.
JEP
Nested Class Summary | |
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class |
MathEvaluator.MathCommunicator
|
Field Summary | |
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int |
_callCount
|
static java.lang.String |
MATH_VAR_DOM_ID
|
static java.lang.String |
MATH_VAR_FALSE
|
static java.lang.String |
MATH_VAR_GROUP_ID
|
static java.lang.String |
MATH_VAR_GROUP_UUID_ID
|
static java.lang.String |
MATH_VAR_MANDANT
|
static java.lang.String |
MATH_VAR_NA_N
|
static java.lang.String |
MATH_VAR_NULL
|
static java.lang.String |
MATH_VAR_OS_NAME
|
static java.lang.String |
MATH_VAR_PARAM_FALSE
|
static java.lang.String |
MATH_VAR_PARAM_TRUE
|
static java.lang.String |
MATH_VAR_TRUE
|
static java.lang.String |
MATH_VAR_USER_COUNTRY
|
static java.lang.String |
MATH_VAR_USER_HOME
|
static java.lang.String |
MATH_VAR_USER_ID
|
static java.lang.String |
MATH_VAR_USER_LANGUAGE
|
static java.lang.String |
MATH_VAR_USER_NAME
|
static java.lang.String |
MATH_VAR_USER_ROLE
|
static java.lang.String |
MATH_VAR_USER_TIMEZONE
|
static java.lang.String |
MATH_VAR_USER_UUID_ID
|
static java.lang.String |
MATH_VAR_UUID
|
static java.lang.String |
MATH_VAR_WEB_APP_NAME
|
long |
timeConsumption
|
Constructor Summary | |
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MathEvaluator()
|
Method Summary | |
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double |
evaluate(java.lang.String expression,
MathEvaluator.MathCommunicator communicator)
Evaluate a simple algebraic expression |
double |
evaluate(Type formulaRoot,
java.lang.String expression)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
double |
evaluate(Type formulaRoot,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
double |
evaluate(Type formulaRoot,
Type eventSource,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
boolean |
evaluateBoolean(java.lang.String expression,
MathEvaluator.MathCommunicator communicator)
Evaluate a simple algebraic expression. |
boolean |
evaluateBoolean(Type formulaRoot,
java.lang.String expression)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
boolean |
evaluateBoolean(Type formulaRoot,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
boolean |
evaluateBoolean(Type formulaRoot,
Type eventSource,
java.lang.Object event,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.Object |
evaluateObject(java.lang.String expression,
MathEvaluator.MathCommunicator com)
Evaluate a simple algebraic expression. |
java.lang.Object |
evaluateObject(Type formulaRoot,
java.lang.String expression)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.Object |
evaluateObject(Type formulaRoot,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.Object |
evaluateObject(Type formulaRoot,
Type eventSource,
java.lang.Object event,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.util.HashSet |
evaluateReferencedNodes(Type formulaRoot,
java.lang.String expression)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.String |
evaluateString(java.lang.String expression,
MathEvaluator.MathCommunicator com)
Evaluate a simple algebraic expression. |
java.lang.String |
evaluateString(Type formulaRoot,
java.lang.Object eventSource,
java.lang.Object event,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.String |
evaluateString(Type formulaRoot,
java.lang.String expression)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.String |
evaluateString(Type formulaRoot,
java.lang.String expression,
boolean includeOnlySerializable)
Evaluate a simple algebraic expression and set a new formulaRoot for nodeFunctions |
java.lang.Object |
evaluateUser(java.lang.String expression,
Type aBaseType)
Evaluate a simple algebraic expression. |
java.lang.String |
evaluateUserString(java.lang.String expression,
MathEvaluator.MathCommunicator com)
Evaluate a simple algebraic expression. |
java.lang.String |
evaluateUserString(java.lang.String expression,
Type aBaseType)
Evaluate a simple algebraic expression. |
int |
getCalls()
|
java.lang.String |
getErrorInfo()
|
java.net.URL |
getFunctionsURL()
|
java.net.URL |
getFunctionsXSD()
|
static MathEvaluator |
getInstance()
Returns a new instance of the MathEvaluator |
java.util.Hashtable |
getNodeFunctionNames()
|
java.util.Enumeration |
getRegisteredFunctions()
Parses the current expression in the exprField. |
java.util.Hashtable |
getVariables()
|
boolean |
isDebug()
|
void |
setDebug(boolean _debug)
|
void |
setVariable(java.lang.String name,
java.lang.Object value)
This method set a simple variable to JEP! |
void |
setVariables(java.util.Hashtable variables)
This method set variables to JEP! |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String MATH_VAR_TRUE
public static final java.lang.String MATH_VAR_FALSE
public static final java.lang.String MATH_VAR_PARAM_TRUE
public static final java.lang.String MATH_VAR_PARAM_FALSE
public static final java.lang.String MATH_VAR_NA_N
public static final java.lang.String MATH_VAR_NULL
public static final java.lang.String MATH_VAR_USER_COUNTRY
public static final java.lang.String MATH_VAR_OS_NAME
public static final java.lang.String MATH_VAR_USER_HOME
public static final java.lang.String MATH_VAR_MANDANT
public static final java.lang.String MATH_VAR_USER_ROLE
public static final java.lang.String MATH_VAR_USER_TIMEZONE
public static final java.lang.String MATH_VAR_USER_NAME
public static final java.lang.String MATH_VAR_USER_LANGUAGE
public static final java.lang.String MATH_VAR_USER_ID
public static final java.lang.String MATH_VAR_GROUP_ID
public static final java.lang.String MATH_VAR_WEB_APP_NAME
public static final java.lang.String MATH_VAR_USER_UUID_ID
public static final java.lang.String MATH_VAR_GROUP_UUID_ID
public static final java.lang.String MATH_VAR_UUID
public static final java.lang.String MATH_VAR_DOM_ID
public int _callCount
public long timeConsumption
Constructor Detail |
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public MathEvaluator()
Method Detail |
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public boolean isDebug()
public void setDebug(boolean _debug)
public double evaluate(Type formulaRoot, java.lang.String expression) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public double evaluate(Type formulaRoot, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public double evaluate(Type formulaRoot, Type eventSource, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public double evaluate(java.lang.String expression, MathEvaluator.MathCommunicator communicator) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public boolean evaluateBoolean(Type formulaRoot, java.lang.String expression) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public boolean evaluateBoolean(Type formulaRoot, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public boolean evaluateBoolean(Type formulaRoot, Type eventSource, java.lang.Object event, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public boolean evaluateBoolean(java.lang.String expression, MathEvaluator.MathCommunicator communicator) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.Object evaluateObject(Type formulaRoot, java.lang.String expression) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.Object evaluateObject(Type formulaRoot, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.Object evaluateObject(Type formulaRoot, Type eventSource, java.lang.Object event, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.Object evaluateObject(java.lang.String expression, MathEvaluator.MathCommunicator com) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.String evaluateString(Type formulaRoot, java.lang.String expression) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.String evaluateString(Type formulaRoot, java.lang.Object eventSource, java.lang.Object event, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.String evaluateString(Type formulaRoot, java.lang.String expression, boolean includeOnlySerializable) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.String evaluateString(java.lang.String expression, MathEvaluator.MathCommunicator com) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.lang.String evaluateUserString(java.lang.String expression, MathEvaluator.MathCommunicator com)
public java.lang.String evaluateUserString(java.lang.String expression, Type aBaseType)
public java.lang.Object evaluateUser(java.lang.String expression, Type aBaseType)
public java.lang.String getErrorInfo()
public static MathEvaluator getInstance()
public java.util.Enumeration getRegisteredFunctions()
public int getCalls()
public java.net.URL getFunctionsURL()
public java.net.URL getFunctionsXSD()
public void setVariable(java.lang.String name, java.lang.Object value)
variables
- java.util.Hashtablepublic void setVariables(java.util.Hashtable variables)
variables
- java.util.Hashtablepublic java.util.Hashtable getVariables()
public java.util.HashSet evaluateReferencedNodes(Type formulaRoot, java.lang.String expression) throws org.nfunk.jep.ParseException
org.nfunk.jep.ParseException
public java.util.Hashtable getNodeFunctionNames()
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