org.apache.cassandra.cql3

Class Tuples.Literal

java.lang.Object

org.apache.cassandra.cql3.Tuples.Literal

All Implemented Interfaces:

AssignmentTestable, Term.MultiColumnRaw, Term.Raw

Enclosing class:

Tuples

public static class Tuples.Literal
extends java.lang.Object
implements Term.MultiColumnRaw

A raw, literal tuple. When prepared, this will become a Tuples.Value or Tuples.DelayedValue, depending on whether the tuple holds NonTerminals.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.AssignmentTestable

AssignmentTestable.TestResult

Constructor Summary

Constructors

Constructor and Description
Literal(java.util.List<Term.Raw> elements)

Method Summary

Modifier and Type	Method and Description
Term	prepare(java.lang.String keyspace, ColumnSpecification receiver) This method validates this RawTerm is valid for provided column specification and "prepare" this RawTerm, returning the resulting prepared Term.
Term	prepare(java.lang.String keyspace, java.util.List<? extends ColumnSpecification> receivers)
AssignmentTestable.TestResult	testAssignment(java.lang.String keyspace, ColumnSpecification receiver)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Literal

public Literal(java.util.List<Term.Raw> elements)

Method Detail

prepare

public Term prepare(java.lang.String keyspace,
                    ColumnSpecification receiver)
             throws InvalidRequestException

Description copied from interface: Term.Raw

This method validates this RawTerm is valid for provided column specification and "prepare" this RawTerm, returning the resulting prepared Term.

Specified by:

prepare in interface Term.Raw

receiver - the "column" this RawTerm is supposed to be a value of. Note that the ColumnSpecification may not correspond to a real column in the case this RawTerm describe a list index or a map key, etc...

Returns:

the prepared term.

Throws:

InvalidRequestException

prepare

public Term prepare(java.lang.String keyspace,
                    java.util.List<? extends ColumnSpecification> receivers)
             throws InvalidRequestException

Specified by:

prepare in interface Term.MultiColumnRaw

Throws:

InvalidRequestException

testAssignment

public AssignmentTestable.TestResult testAssignment(java.lang.String keyspace,
                                                    ColumnSpecification receiver)

Specified by:

testAssignment in interface AssignmentTestable

Returns:

whether this object can be assigned to the provided receiver. We distinguish between 3 values: - EXACT_MATCH if this object is exactly of the type expected by the receiver - WEAKLY_ASSIGNABLE if this object is not exactly the expected type but is assignable nonetheless - NOT_ASSIGNABLE if it's not assignable Most caller should just call the isAssignable() method on the result, though functions have a use for testing "strong" equality to decide the most precise overload to pick when multiple could match.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object