Enum PParameterDirection
- java.lang.Object
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- java.lang.Enum<PParameterDirection>
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- org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<PParameterDirection>
public enum PParameterDirection extends java.lang.Enum<PParameterDirection>
Values of this enum describe a constraint to the calling of patterns regarding its parameters.- Since:
- 1.4
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Enum Constant Summary
Enum Constants Enum Constant Description IN
The parameters marked with this constraints shall be set to a value before calling the patternINOUT
Default value, no additional constraint is appliedOUT
The parameters marked with this constraints shall not be set to a value before calling the pattern
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static PParameterDirection
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static PParameterDirection[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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INOUT
public static final PParameterDirection INOUT
Default value, no additional constraint is applied
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IN
public static final PParameterDirection IN
The parameters marked with this constraints shall be set to a value before calling the pattern
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OUT
public static final PParameterDirection OUT
The parameters marked with this constraints shall not be set to a value before calling the pattern
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Method Detail
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values
public static PParameterDirection[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (PParameterDirection c : PParameterDirection.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static PParameterDirection valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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