org.apache.accumulo.core.constraints
Class DefaultKeySizeConstraint

java.lang.Object
  org.apache.accumulo.core.constraints.DefaultKeySizeConstraint

All Implemented Interfaces:

Constraint

public class DefaultKeySizeConstraint
extends Object
implements Constraint

A constraints that limits the size of keys to 1mb.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.accumulo.core.constraints.Constraint

Constraint.Environment

Field Summary

protected static short	MAX__KEY_SIZE_EXCEEDED_VIOLATION
protected static long	maxSize

Constructor Summary

DefaultKeySizeConstraint()

Method Summary

List<Short>	check(Constraint.Environment env, Mutation mutation) Checks a mutation for constrain violations.
String	getViolationDescription(short violationCode) Implementers of this method should return a short one sentence description of what a given violation code means.

Methods inherited from class java.lang.Object

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

Field Detail

MAX__KEY_SIZE_EXCEEDED_VIOLATION

protected static final short MAX__KEY_SIZE_EXCEEDED_VIOLATION

See Also:

Constant Field Values

maxSize

protected static final long maxSize

See Also:

Constant Field Values

Constructor Detail

DefaultKeySizeConstraint

public DefaultKeySizeConstraint()

Method Detail

getViolationDescription

public String getViolationDescription(short violationCode)

Description copied from interface: Constraint

Implementers of this method should return a short one sentence description of what a given violation code means.

Specified by:

getViolationDescription in interface Constraint

check

public List<Short> check(Constraint.Environment env,
                         Mutation mutation)

Description copied from interface: Constraint

Checks a mutation for constrain violations. If the mutation contains no violations, then the implementation should return null. Otherwise it should return a list of violation codes. Violation codes must be non negative. Negative violation codes are reserved for system use.

Specified by:

check in interface Constraint