org.cryptimeleon.math.expressions.group

Class AbstractGroupElementExpression

java.lang.Object

org.cryptimeleon.math.expressions.group.AbstractGroupElementExpression

All Implemented Interfaces:

Expression, GroupElementExpression

Direct Known Subclasses:

GroupElementConstantExpr, GroupEmptyExpr, GroupInvExpr, GroupOpExpr, GroupPowExpr, PairingExpr

public abstract class AbstractGroupElementExpression
extends java.lang.Object
implements GroupElementExpression

An Expression that evaluates to a GroupElement.

Field Summary

Fields

Modifier and Type	Field and Description
protected Group	group This expression evaluates to an element of this group.

Constructor Summary

Constructors

Constructor and Description
AbstractGroupElementExpression()
AbstractGroupElementExpression(Group group)

Method Summary

Modifier and Type	Method and Description
Group	getGroup() Returns the group such that this expression evaluates to an element of this group, or null if group is unknown (for example, if expression consists only of variables).
protected java.math.BigInteger	getGroupOrderIfKnown()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cryptimeleon.math.expressions.group.GroupElementExpression

evaluate, evaluate, flatten, flatten, inv, isEqualTo, isEqualTo, isEqualTo, linearize, op, op, op, opPow, opPow, opPow, opPow, opPow, opPow, opPow, opPow, pow, pow, pow, pow, pow, precompute, substitute, substitute, substitute

Methods inherited from interface org.cryptimeleon.math.expressions.Expression

accumulate, containsExprMatchingPredicate, containsVariables, forEachChild, getVariables, treeWalk

Field Detail

group

protected final Group group

This expression evaluates to an element of this group.

Constructor Detail

AbstractGroupElementExpression

public AbstractGroupElementExpression()

AbstractGroupElementExpression

public AbstractGroupElementExpression(Group group)

Method Detail

getGroup

public Group getGroup()

Returns the group such that this expression evaluates to an element of this group, or null if group is unknown (for example, if expression consists only of variables).

Specified by:

getGroup in interface GroupElementExpression

getGroupOrderIfKnown

protected java.math.BigInteger getGroupOrderIfKnown()