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## unity.predicates
Class SelectionPredicate

    java.lang.Object
      unity.predicates.SelectionPredicate

Direct Known Subclasses:
  And, ConstantSelectionPredicate, Not, Or, SelectionExprPredicate, SimpleSelectionPredicate, XOr

    public abstract class SelectionPredicate

extends java.lang.Object

Constructor Summary
`SelectionPredicate()`

Method Summary
`abstract boolean` | `evaluate(Tuple t)`
`abstract java.lang.String` | `toString(Relation relation)`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SelectionPredicate

    public SelectionPredicate()

Method Detail

### evaluate

    public abstract boolean evaluate(Tuple t)
                              throws java.sql.SQLException

  Throws:
    `java.sql.SQLException`

### toString

    public abstract java.lang.String toString(Relation relation)

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