org.objectweb.medor.expression.lib
Class BasicOperand

java.lang.Object
  org.objectweb.medor.clone.lib.BasicCloneable
      org.objectweb.medor.expression.lib.BasicExpression
          org.objectweb.medor.expression.lib.BasicOperand

All Implemented Interfaces:

org.objectweb.medor.clone.api.Cloneable, java.lang.Cloneable, Expression, Operand, java.io.Serializable

Direct Known Subclasses:

BasicVariableOperand

public class BasicOperand

extends BasicExpression

implements Operand

Author:

Sebastien Chassande-Barrioz

See Also:

Serialized Form

Field Summary

protected double	doubleValue
protected boolean	isDefined
protected long	longValue
protected java.lang.Object	objectValue

Fields inherited from class org.objectweb.medor.expression.lib.BasicExpression

logger, type

Constructor Summary

	BasicOperand()
	BasicOperand(BasicOperand bo)
	BasicOperand(boolean p)
	BasicOperand(byte p)
	BasicOperand(byte[] p)
	BasicOperand(char p)
	BasicOperand(char[] p)
	BasicOperand(java.util.Date p)
	BasicOperand(double p)
	BasicOperand(float p)
	BasicOperand(int p)
	BasicOperand(long p)
	BasicOperand(java.lang.Object p, org.objectweb.jorm.type.api.PType type)
protected	BasicOperand(org.objectweb.jorm.type.api.PType p)
	BasicOperand(short p)
	BasicOperand(java.lang.String p)

Method Summary

java.lang.Object	clone(java.lang.Object clone, java.util.Map obj2clone) Clone the current object.
Operand	compileExpression() Checks the semantic integrity of an expression.
Operand	evaluate(ParameterOperand[] pos, java.lang.Object o) It evaluates the expression tree and puts the result into the operand result.
java.math.BigDecimal	getBigDecimal() evalute the expression result and return a BigDecimal value
java.math.BigInteger	getBigInteger() evalute the expression result and return a BigInteger value
boolean	getBoolean() get the operand result as a boolean value
byte	getByte() get the operand result as a byte value
byte[]	getByteArray() get the operand result as a byte[] value
char	getChar() get the operand result as a char value
char[]	getCharArray() get the operand result as a char[] value
java.util.Date	getDate() get the operand result a java.util.Date value
double	getDouble() get the operand result as a double value
float	getFloat() get the operand result as a float value
int	getInt() get the operand result as a byte value
long	getLong() get the operand result as a long value
java.lang.Object	getObject() get the operand result as a java.lang.Object value
short	getShort() get the operand result as a short value
java.lang.String	getString() evalute the expression result and return a string value
org.objectweb.jorm.type.api.PType	getType() It gets the result type of this expression
java.lang.String	getValueAsString() It retrieves the value of the operand as a String.
boolean	isDefined() Indicates if the operand has been defined, ie is the value returned if pertinent
void	setIsDefined(boolean isdefined)
java.lang.String	toString()

Methods inherited from class org.objectweb.medor.clone.lib.BasicCloneable

clone, clone, getClone

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

longValue

protected long longValue

doubleValue

protected double doubleValue

objectValue

protected java.lang.Object objectValue

isDefined

protected boolean isDefined

Constructor Detail

BasicOperand

public BasicOperand()

BasicOperand

public BasicOperand(BasicOperand bo)

BasicOperand

protected BasicOperand(org.objectweb.jorm.type.api.PType p)

BasicOperand

public BasicOperand(boolean p)

BasicOperand

public BasicOperand(char p)

BasicOperand

public BasicOperand(char[] p)

BasicOperand

public BasicOperand(byte p)

BasicOperand

public BasicOperand(byte[] p)

BasicOperand

public BasicOperand(short p)

BasicOperand

public BasicOperand(int p)

BasicOperand

public BasicOperand(long p)

BasicOperand

public BasicOperand(float p)

BasicOperand

public BasicOperand(double p)

BasicOperand

public BasicOperand(java.lang.String p)

BasicOperand

public BasicOperand(java.util.Date p)

BasicOperand

public BasicOperand(java.lang.Object p,
                    org.objectweb.jorm.type.api.PType type)

Method Detail

clone

public java.lang.Object clone(java.lang.Object clone,
                              java.util.Map obj2clone)
                       throws java.lang.CloneNotSupportedException

Description copied from interface: org.objectweb.medor.clone.api.Cloneable

Clone the current object.

Specified by:

clone in interface org.objectweb.medor.clone.api.Cloneable

Overrides:

clone in class BasicExpression

Throws:

java.lang.CloneNotSupportedException

getValueAsString

public java.lang.String getValueAsString()

It retrieves the value of the operand as a String.

toString

public java.lang.String toString()

evaluate

public Operand evaluate(ParameterOperand[] pos,
                        java.lang.Object o)
                 throws ExpressionException

Description copied from interface: Expression

It evaluates the expression tree and puts the result into the operand result.

Specified by:

evaluate in interface Expression

Parameters:

pos - a list of ParameterOperand

o - the input Object from which values are taken for the evaluation

Returns:

an Operand containing the result of the evaluation

Throws:

ExpressionException

getType

public org.objectweb.jorm.type.api.PType getType()

Description copied from interface: Expression

It gets the result type of this expression

Specified by:

getType in interface Expression

Overrides:

getType in class BasicExpression

isDefined

public boolean isDefined()

Description copied from interface: Operand

Indicates if the operand has been defined, ie is the value returned if pertinent

Specified by:

isDefined in interface Operand

setIsDefined

public void setIsDefined(boolean isdefined)

Specified by:

setIsDefined in interface Operand

getBoolean

public boolean getBoolean()
                   throws TypingException

Description copied from interface: Operand

get the operand result as a boolean value

Specified by:

getBoolean in interface Operand

Returns:

a boolean value

Throws:

TypingException - if it is impossible to return a boolean value

getInt

public int getInt()
           throws TypingException

Description copied from interface: Operand

get the operand result as a byte value

Specified by:

getInt in interface Operand

Returns:

an int value

Throws:

TypingException - if it is impossible to return an int value

getByte

public byte getByte()
             throws TypingException

Description copied from interface: Operand

get the operand result as a byte value

Specified by:

getByte in interface Operand

Returns:

a byte value

Throws:

TypingException - if it is impossible to return an int value

getByteArray

public byte[] getByteArray()
                    throws TypingException

Description copied from interface: Operand

get the operand result as a byte[] value

Specified by:

getByteArray in interface Operand

Returns:

a byte[] value

Throws:

TypingException - if it is impossible to return an int value

getShort

public short getShort()
               throws TypingException

Description copied from interface: Operand

get the operand result as a short value

Specified by:

getShort in interface Operand

Returns:

a short value

Throws:

TypingException - if it is impossible to return a short value

getLong

public long getLong()
             throws TypingException

Description copied from interface: Operand

get the operand result as a long value

Specified by:

getLong in interface Operand

Returns:

a long value

Throws:

TypingException - if it is impossible to return a long value

getFloat

public float getFloat()
               throws TypingException

Description copied from interface: Operand

get the operand result as a float value

Specified by:

getFloat in interface Operand

Returns:

a float value

Throws:

TypingException - if it is impossible to return a float value;

getDouble

public double getDouble()
                 throws TypingException

Description copied from interface: Operand

get the operand result as a double value

Specified by:

getDouble in interface Operand

Returns:

a double value

Throws:

TypingException - if it is impossible to return a double value

getChar

public char getChar()
             throws TypingException

Description copied from interface: Operand

get the operand result as a char value

Specified by:

getChar in interface Operand

Returns:

a char value

Throws:

TypingException - if it is impossible to return a char value;

getCharArray

public char[] getCharArray()
                    throws TypingException

Description copied from interface: Operand

get the operand result as a char[] value

Specified by:

getCharArray in interface Operand

Returns:

a char[] value

Throws:

TypingException - if it is impossible to return a char value;

getString

public java.lang.String getString()
                           throws TypingException

Description copied from interface: Operand

evalute the expression result and return a string value

Specified by:

getString in interface Operand

Returns:

string result

Throws:

TypingException - if it is impossible to return a string value

getBigDecimal

public java.math.BigDecimal getBigDecimal()
                                   throws TypingException

Description copied from interface: Operand

evalute the expression result and return a BigDecimal value

Specified by:

getBigDecimal in interface Operand

Returns:

BigDecimal result

Throws:

TypingException - if it is impossible to return a string value

getBigInteger

public java.math.BigInteger getBigInteger()
                                   throws TypingException

Description copied from interface: Operand

evalute the expression result and return a BigInteger value

Specified by:

getBigInteger in interface Operand

Returns:

BigInteger result

Throws:

TypingException - if it is impossible to return a string value

getDate

public java.util.Date getDate()
                       throws TypingException

Description copied from interface: Operand

get the operand result a java.util.Date value

Specified by:

getDate in interface Operand

Returns:

a date value

Throws:

TypingException - if it is impossible to return java.util.Date

getObject

public java.lang.Object getObject()

Description copied from interface: Operand

get the operand result as a java.lang.Object value

Specified by:

getObject in interface Operand

Returns:

an object

compileExpression

public Operand compileExpression()

Description copied from interface: Expression

Checks the semantic integrity of an expression. It checks that all types are compatible and prepare the expression to be evaluable.It also creates buffers where stores the result. Notes that when evaluating there is no creation of new objects. This method change the state of this expression object, it will be evaluable and not modifiable.

Specified by:

compileExpression in interface Expression