Enum QueryEvaluationHint.BackendRequirement
- java.lang.Object
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- java.lang.Enum<QueryEvaluationHint.BackendRequirement>
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- org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint.BackendRequirement
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<QueryEvaluationHint.BackendRequirement>
- Enclosing class:
- QueryEvaluationHint
public static enum QueryEvaluationHint.BackendRequirement extends java.lang.Enum<QueryEvaluationHint.BackendRequirement>
- Since:
- 2.0
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Enum Constant Summary
Enum Constants Enum Constant Description DEFAULT_CACHING
The current hint specifies that the default caching backend of the engine should be usedDEFAULT_SEARCH
The current hint specifies that the default search backend of the engine should be usedSPECIFIC
The current hint specifies that a specific backend is to be usedUNSPECIFIED
The current hint does not specify any backend requirement
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static QueryEvaluationHint.BackendRequirement
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static QueryEvaluationHint.BackendRequirement[]
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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UNSPECIFIED
public static final QueryEvaluationHint.BackendRequirement UNSPECIFIED
The current hint does not specify any backend requirement
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DEFAULT_SEARCH
public static final QueryEvaluationHint.BackendRequirement DEFAULT_SEARCH
The current hint specifies that the default search backend of the engine should be used
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DEFAULT_CACHING
public static final QueryEvaluationHint.BackendRequirement DEFAULT_CACHING
The current hint specifies that the default caching backend of the engine should be used
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SPECIFIC
public static final QueryEvaluationHint.BackendRequirement SPECIFIC
The current hint specifies that a specific backend is to be used
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Method Detail
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values
public static QueryEvaluationHint.BackendRequirement[] 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 (QueryEvaluationHint.BackendRequirement c : QueryEvaluationHint.BackendRequirement.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 QueryEvaluationHint.BackendRequirement 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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