org.apache.cassandra.db

Class IndexExpression

java.lang.Object

org.apache.cassandra.db.IndexExpression

public final class IndexExpression
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
java.nio.ByteBuffer	column
Operator	operator
java.nio.ByteBuffer	value

Constructor Summary

Constructors

Constructor and Description
IndexExpression(java.nio.ByteBuffer column, Operator operator, java.nio.ByteBuffer value)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
int	hashCode()
boolean	isContains() Checks if the operator of this IndexExpression is a CONTAINS operator.
boolean	isContainsKey() Checks if the operator of this IndexExpression is a CONTAINS_KEY operator.
static IndexExpression	readFrom(java.io.DataInput input) Deserializes an IndexExpression instance from the specified input.
java.lang.String	toString()
void	writeTo(DataOutputPlus output) Write the serialized version of this IndexExpression to the specified output.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

column

public final java.nio.ByteBuffer column

operator

public final Operator operator

value

public final java.nio.ByteBuffer value

Constructor Detail

IndexExpression

public IndexExpression(java.nio.ByteBuffer column,
                       Operator operator,
                       java.nio.ByteBuffer value)

Method Detail

isContains

public boolean isContains()

Checks if the operator of this IndexExpression is a CONTAINS operator.

Returns:

true if the operator of this IndexExpression is a CONTAINS operator, false otherwise.

isContainsKey

public boolean isContainsKey()

Checks if the operator of this IndexExpression is a CONTAINS_KEY operator.

Returns:

true if the operator of this IndexExpression is a CONTAINS_KEY operator, false otherwise.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

writeTo

public void writeTo(DataOutputPlus output)
             throws java.io.IOException

Write the serialized version of this IndexExpression to the specified output.

Parameters:

output - the output to write to

Throws:

java.io.IOException - if an I/O problem occurs while writing to the specified output

readFrom

public static IndexExpression readFrom(java.io.DataInput input)
                                throws java.io.IOException

Deserializes an IndexExpression instance from the specified input.

Parameters:

input - the input to read from

Returns:

the IndexExpression instance deserialized

Throws:

java.io.IOException - if a problem occurs while deserializing the IndexExpression instance.