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package org.litesoft.core.simpletypes.nonpublic;
public abstract class EqualSupport
{
public EqualSupport()
{
}
public static boolean equal( Object pThis, Object pThat )
{
if ( pThis == pThat ) // Same or both null
{
return true;
}
// Both CAN'T be null
return (pThis != null) ? pThis.equals( pThat ) : pThat.equals( pThis );
}
public static boolean equal( boolean pThis, boolean pThat )
{
return (pThis == pThat);
}
public static boolean equal( int pThis, int pThat )
{
return (pThis == pThat);
}
public static boolean equal( long pThis, long pThat )
{
return (pThis == pThat);
}
public static boolean equal( float pThis, float pThat )
{
return (pThis == pThat);
}
public static boolean equal( double pThis, double pThat )
{
return (pThis == pThat);
}
public static boolean equal( Object[] pThis, Object[] pThat )
{
if ( pThis == pThat ) // Same or both null
{
return true;
}
if ( (pThis != null) && (pThat != null) && (pThis.length == pThat.length) )
{
for ( int i = 0; i < pThis.length; i++ )
{
if ( !equal( pThis[i], pThat[i] ) )
{
return false;
}
}
return true;
}
return false;
}
public static int calcHashCode( Object pObject )
{
return (pObject == null) ? 0 : pObject.hashCode();
}
public static int calcHashCode( boolean pBool )
{
return Boolean.valueOf( pBool ).hashCode();
}
public static int calcHashCode( int pInt )
{
return pInt; // 'lifted' from Integer
}
public static int calcHashCode( long pLong )
{
return (int) (pLong ^ (pLong >>> 32)); // 'lifted' from Long
}
public static int hashCodeEm( int pHashCode1, int pHashCode2 )
{
return (pHashCode1 * 31) + pHashCode2;
}
public static int hashCodeEm( int pHashCode1, int pHashCode2, int pHashCode3 )
{
return hashCodeEm( hashCodeEm( pHashCode1, pHashCode2 ), pHashCode3 );
}
public static int hashCodeEm( int pHashCode1, int pHashCode2, int pHashCode3, int pHashCode4 )
{
return hashCodeEm( hashCodeEm( pHashCode1, pHashCode2, pHashCode3 ), pHashCode4 );
}
public static int hashCodeEm( int pHashCode1, int pHashCode2, int pHashCode3, int pHashCode4,
int pHashCode5 )
{
return hashCodeEm( hashCodeEm( pHashCode1, pHashCode2, pHashCode3, pHashCode4 ), pHashCode5 );
}
}
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