Package com.google.gerrit.index.query

Class AndSource<T>

java.lang.Object

com.google.gerrit.index.query.Predicate<T>

com.google.gerrit.index.query.AndPredicate<T>

com.google.gerrit.index.query.AndSource<T>

All Implemented Interfaces:

DataSource<T>, Matchable<T>, Comparator<Predicate<T>>

Direct Known Subclasses:

AndChangeSource

public class AndSource<T>
extends AndPredicate<T>
implements DataSource<T>, Comparator<Predicate<T>>

Field Summary

Fields

Modifier and Type	Field	Description
protected DataSource<T>	source

Constructor Summary

Constructors

Constructor	Description
AndSource(Predicate<T> that, IsVisibleToPredicate<T> isVisibleToPredicate)
AndSource(Predicate<T> that, IsVisibleToPredicate<T> isVisibleToPredicate, int start)
AndSource(Collection<? extends Predicate<T>> that)
AndSource(Collection<? extends Predicate<T>> that, IsVisibleToPredicate<T> isVisibleToPredicate, int start)

Method Summary

Modifier and Type	Method	Description
int	compare(Predicate<T> a, Predicate<T> b)
int	getCardinality()
boolean	isMatchable()
boolean	match(T object)	Does this predicate match this object?
com.google.gwtorm.server.ResultSet<T>	read()
com.google.gwtorm.server.ResultSet<FieldBundle>	readRaw()
protected List<T>	transformBuffer(List<T> buffer)

Methods inherited from class com.google.gerrit.index.query.AndPredicate

copy, equals, getChild, getChildCount, getChildren, getCost, hashCode, toString

Methods inherited from class com.google.gerrit.index.query.Predicate

and, and, any, asMatchable, estimateCost, getLeafCount, not, or, or

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

source

protected final DataSource<T> source

Constructor Detail

AndSource

public AndSource(Collection<? extends Predicate<T>> that)

AndSource

public AndSource(Predicate<T> that,
                 IsVisibleToPredicate<T> isVisibleToPredicate)

AndSource

public AndSource(Predicate<T> that,
                 IsVisibleToPredicate<T> isVisibleToPredicate,
                 int start)

AndSource

public AndSource(Collection<? extends Predicate<T>> that,
                 IsVisibleToPredicate<T> isVisibleToPredicate,
                 int start)

Method Detail

read

public com.google.gwtorm.server.ResultSet<T> read()
                                           throws com.google.gwtorm.server.OrmException

Specified by:

read in interface DataSource<T>

Returns:

read from the database and return the results.

Throws:

com.google.gwtorm.server.OrmException

readRaw

public com.google.gwtorm.server.ResultSet<FieldBundle> readRaw()
                                                        throws com.google.gwtorm.server.OrmException

Specified by:

readRaw in interface DataSource<T>

Returns:

read from the database and return the raw results.

Throws:

com.google.gwtorm.server.OrmException

isMatchable

public boolean isMatchable()

Overrides:

isMatchable in class AndPredicate<T>

match

public boolean match(T object)
              throws com.google.gwtorm.server.OrmException

Description copied from interface: Matchable

Does this predicate match this object?

Specified by:

match in interface Matchable<T>

Overrides:

match in class AndPredicate<T>

Throws:

com.google.gwtorm.server.OrmException

transformBuffer

protected List<T> transformBuffer(List<T> buffer)
                           throws com.google.gwtorm.server.OrmRuntimeException

Throws:

com.google.gwtorm.server.OrmRuntimeException

getCardinality

public int getCardinality()

Specified by:

getCardinality in interface DataSource<T>

Returns:

an estimate of the number of results from DataSource.read().

compare

public int compare(Predicate<T> a,
                   Predicate<T> b)

Specified by:

compare in interface Comparator<T>