ExpressionValue (LuciadCPillar Java Android API documentation)

java.lang.Object
- com.luciad.expressions.ExpressionValue

All Implemented Interfaces:

AutoCloseable
```
public final class ExpressionValue
extends Object
implements AutoCloseable
```
Value object to store the value of an Expression and its DataType.
Users of this value object always must check the type of value stored and then call the appropriate method to retrieve the actual value.

Constructor Summary

Constructors
Constructor and Description
`ExpressionValue(boolean value)` Constructs the value object for a boolean value.
`ExpressionValue(double value)` Constructs the value object for a number value.
`ExpressionValue(ExpressionValue other)` Constructs a copy of other.
`ExpressionValue(float value)` Constructs the value object for a number value.
`ExpressionValue(Geometry value)` Constructs the value object for a `Geometry` value.
`ExpressionValue(int value)` Constructs the value object for an integer value.
`ExpressionValue(long value)` Constructs the value object for a long integer (64 bit) value.
`ExpressionValue(String value)` Constructs the value object for a text value.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Double`	`asDouble()` Returns the double value, if the value object can be converted to a double.
`void`	`close()`
`boolean`	`equals(Object other)`
`protected void`	`finalize()`
`boolean`	`getBoolValue()` Returns the boolean value, if the value object contains a boolean.
`DataType`	`getDataType()` Returns the type of the value stored within this value object.
`double`	`getDoubleValue()` Returns the double value, if the value object contains a double.
`float`	`getFloatValue()` Returns the float value, if the value object contains a float.
`Geometry`	`getGeometryValue()` Returns the geometry value, if the value object contains a geometry.
`int`	`getIntValue()` Returns the int value, if the value object contains an int.
`long`	`getLongValue()` Returns the long integer value, if the value object contains a long int.
`String`	`getStringValue()` Returns the string value, if the value object contains a string.
`int`	`hashCode()`

Methods inherited from class java.lang.Object
clone, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpressionValue
```
public ExpressionValue(float value)
```
    Constructs the value object for a number value.
    The type of the value is DataType#getFloatType().
    
    Parameters:
    
    value - the number.
  - ExpressionValue
```
public ExpressionValue(double value)
```
    Constructs the value object for a number value.
    The type of the value is DataType#getDoubleType().
    
    Parameters:
    
    value - the number.
  - ExpressionValue
```
public ExpressionValue(int value)
```
    Constructs the value object for an integer value.
    The type of the value is DataType#getIntType().
    
    Parameters:
    
    value - the number.
  - ExpressionValue
```
public ExpressionValue(long value)
```
    Constructs the value object for a long integer (64 bit) value.
    The type of the value is DataType#getLongType().
    
    Parameters:
    
    value - the number.
  - ExpressionValue
```
public ExpressionValue(boolean value)
```
    Constructs the value object for a boolean value.
    The type of the value is DataType#getBooleanType().
    
    Parameters:
    
    value - the boolean.
  - ExpressionValue
```
public ExpressionValue(@NotNull
                       ExpressionValue other)
```
    Constructs a copy of other.
    
    Parameters:
    
    other - Instance of the ExpressionValue.
  - ExpressionValue
```
public ExpressionValue(@NotNull
                       String value)
```
    Constructs the value object for a text value.
    The type of the value is DataType#getStringType().
    
    Parameters:
    
    value - the text.
  - ExpressionValue
```
public ExpressionValue(@NotNull
                       Geometry value)
```
    Constructs the value object for a Geometry value.
    The type of the value is DataType#getGeometryType().
    
    Parameters:
    
    value - Geometry, cannot be null.
- Method Detail
  - finalize
```
protected void finalize()
```
    Overrides:
    
    finalize in class Object
  - close
```
public void close()
```
    Specified by:
    
    close in interface AutoCloseable
  - getDataType
```
@NotNull
public DataType getDataType()
```
    Returns the type of the value stored within this value object.
    
    Returns:
    
    the type of the value stored within this value object.
  - getFloatValue
```
public float getFloatValue()
                    throws IllegalStateException
```
    Returns the float value, if the value object contains a float.
    
    Returns:
    
    the float value, if the value object contains a float.
    
    Throws:
    
    IllegalStateException - when the object does not contain a float.
  - getDoubleValue
```
public double getDoubleValue()
                      throws IllegalStateException
```
    Returns the double value, if the value object contains a double.
    
    Returns:
    
    the double value, if the value object contains a double.
    
    Throws:
    
    IllegalStateException - when the object does not contain a double.
  - getIntValue
```
public int getIntValue()
                throws IllegalStateException
```
    Returns the int value, if the value object contains an int.
    
    Returns:
    
    the int value, if the value object contains an int.
    
    Throws:
    
    IllegalStateException - when the object does not contain an int.
  - getLongValue
```
public long getLongValue()
                  throws IllegalStateException
```
    Returns the long integer value, if the value object contains a long int.
    
    Returns:
    
    the long integer value, if the value object contains a long int.
    
    Throws:
    
    IllegalStateException - when the object does not contain a long int.
  - getBoolValue
```
public boolean getBoolValue()
                     throws IllegalStateException
```
    Returns the boolean value, if the value object contains a boolean.
    
    Returns:
    
    the boolean value, if the value object contains a boolean.
    
    Throws:
    
    IllegalStateException - when the object does not contain a boolean.
  - getStringValue
```
@NotNull
public String getStringValue()
                               throws IllegalStateException
```
    Returns the string value, if the value object contains a string.
    
    Returns:
    
    the string value, if the value object contains a string.
    
    Throws:
    
    IllegalStateException - when the object does not contain a string.
  - getGeometryValue
```
@NotNull
public Geometry getGeometryValue()
                                   throws IllegalStateException
```
    Returns the geometry value, if the value object contains a geometry.
    
    Returns:
    
    the geometry value, if the value object contains a geometry.
    
    Throws:
    
    IllegalStateException - when the object does not contain a geometry.
  - asDouble
```
@Nullable
public Double asDouble()
```
    Returns the double value, if the value object can be converted to a double.
    
    Returns:
    
    the double value, if the value object can be converted to a double.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(@Nullable
                      Object other)
```
    Overrides:
    
    equals in class Object

Class ExpressionValue

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ExpressionValue

ExpressionValue

ExpressionValue

ExpressionValue

ExpressionValue

ExpressionValue

ExpressionValue

ExpressionValue

Method Detail

finalize

close

getDataType

getFloatValue

getDoubleValue

getIntValue

getLongValue

getBoolValue

getStringValue

getGeometryValue

asDouble

hashCode

equals