net.infordata.ifw2.props

Class PropsComparator<T>

java.lang.Object

net.infordata.ifw2.props.PropsComparator<T>

Type Parameters:

T -

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<T>

public class PropsComparator<T>
extends java.lang.Object
implements java.util.Comparator<T>, java.io.Serializable

A Comparator which uses Property.
If provided, a delegated comparator is used to compare properties values.

Author:

valentino.proietti

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PropsComparator(boolean ascending, Property<T,? extends java.lang.Comparable<?>>... propsToCompare)
PropsComparator(java.lang.Class<T> clazz, boolean ascending, java.lang.String... propsToCompare)
PropsComparator(java.lang.Class<T> clazz, java.util.Comparator<?> delegated, boolean ascending, java.lang.String... propsToCompare)
PropsComparator(ClassInfo<T> cinfo, boolean ascending, java.lang.String... propsToCompare)
PropsComparator(ClassInfo<T> cinfo, java.util.Comparator<?> delegated, boolean ascending, java.lang.String... propsToCompare)
PropsComparator(java.util.Comparator<?> delegated, boolean ascending, Property<T,?>... propsToCompare)

Method Summary

Methods

Modifier and Type	Method and Description
static <T,PT extends java.lang.Comparable<PT>> int	binarySearch(java.util.List<T> list, Property<T,PT> prop, PT value, boolean ascending)
int	compare(T o1, T o2)
boolean	equals(java.lang.Object obj)
int	hashCode()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PropsComparator

public PropsComparator(java.lang.Class<T> clazz,
               boolean ascending,
               java.lang.String... propsToCompare)

PropsComparator

public PropsComparator(java.lang.Class<T> clazz,
               java.util.Comparator<?> delegated,
               boolean ascending,
               java.lang.String... propsToCompare)

PropsComparator

public PropsComparator(ClassInfo<T> cinfo,
               boolean ascending,
               java.lang.String... propsToCompare)

PropsComparator

public PropsComparator(ClassInfo<T> cinfo,
               java.util.Comparator<?> delegated,
               boolean ascending,
               java.lang.String... propsToCompare)

PropsComparator

@SafeVarargs
public PropsComparator(boolean ascending,
                           Property<T,? extends java.lang.Comparable<?>>... propsToCompare)

PropsComparator

public PropsComparator(java.util.Comparator<?> delegated,
               boolean ascending,
               Property<T,?>... propsToCompare)

Method Detail

compare

public final int compare(T o1,
          T o2)

Specified by:

compare in interface java.util.Comparator<T>

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in interface java.util.Comparator<T>

Overrides:

equals in class java.lang.Object

binarySearch

public static <T,PT extends java.lang.Comparable<PT>> int binarySearch(java.util.List<T> list,
                                                       Property<T,PT> prop,
                                                       PT value,
                                                       boolean ascending)