org.pentaho.di.core.util
Class CollectionPredicates

java.lang.Object
  org.pentaho.di.core.util.CollectionPredicates

public final class CollectionPredicates
extends Object

Version:

$Revision

Author:

Thomas Hoedl(asc042)

Field Summary

static org.apache.commons.collections.Predicate	EMPTY_ARRAY Empty array.
static org.apache.commons.collections.Predicate	EMPTY_COLLECTION Empty collection.
static org.apache.commons.collections.Predicate	EMPTY_MAP Empty map.
static org.apache.commons.collections.Predicate	NOT_EMPTY_ARRAY Not empty array.
static org.apache.commons.collections.Predicate	NOT_EMPTY_COLLECTION Not empty collection.
static org.apache.commons.collections.Predicate	NOT_EMPTY_MAP Not empty map.
static org.apache.commons.collections.Predicate	NOT_NULL_OR_EMPTY_ARRAY Not null or empty array.
static org.apache.commons.collections.Predicate	NOT_NULL_OR_EMPTY_COLLECTION Not null or empty collection.
static org.apache.commons.collections.Predicate	NOT_NULL_OR_EMPTY_MAP Not null or empty map.
static org.apache.commons.collections.Predicate	NULL_OR_EMPTY_ARRAY Null or empty array.
static org.apache.commons.collections.Predicate	NULL_OR_EMPTY_COLLECTION Null or empty collection.
static org.apache.commons.collections.Predicate	NULL_OR_EMPTY_MAP Null or empty map.

Method Summary

static boolean	isNotNullOrEmpty(Collection<?> subject)
static boolean	isNotNullOrEmpty(Map<?,?> subject)
static boolean	isNotNullOrEmpty(Object[] subject)
static boolean	isNullOrEmpty(Collection<?> subject)
static boolean	isNullOrEmpty(Map<?,?> subject)
static boolean	isNullOrEmpty(Object[] subject)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_COLLECTION

public static final org.apache.commons.collections.Predicate EMPTY_COLLECTION

Empty collection.

NOT_EMPTY_COLLECTION

public static final org.apache.commons.collections.Predicate NOT_EMPTY_COLLECTION

Not empty collection.

EMPTY_ARRAY

public static final org.apache.commons.collections.Predicate EMPTY_ARRAY

Empty array.

NOT_EMPTY_ARRAY

public static final org.apache.commons.collections.Predicate NOT_EMPTY_ARRAY

Not empty array.

EMPTY_MAP

public static final org.apache.commons.collections.Predicate EMPTY_MAP

Empty map.

NOT_EMPTY_MAP

public static final org.apache.commons.collections.Predicate NOT_EMPTY_MAP

Not empty map.

NOT_NULL_OR_EMPTY_COLLECTION

public static final org.apache.commons.collections.Predicate NOT_NULL_OR_EMPTY_COLLECTION

Not null or empty collection.

NOT_NULL_OR_EMPTY_ARRAY

public static final org.apache.commons.collections.Predicate NOT_NULL_OR_EMPTY_ARRAY

Not null or empty array.

NOT_NULL_OR_EMPTY_MAP

public static final org.apache.commons.collections.Predicate NOT_NULL_OR_EMPTY_MAP

Not null or empty map.

NULL_OR_EMPTY_COLLECTION

public static final org.apache.commons.collections.Predicate NULL_OR_EMPTY_COLLECTION

Null or empty collection.

NULL_OR_EMPTY_ARRAY

public static final org.apache.commons.collections.Predicate NULL_OR_EMPTY_ARRAY

Null or empty array.

NULL_OR_EMPTY_MAP

public static final org.apache.commons.collections.Predicate NULL_OR_EMPTY_MAP

Null or empty map.

Method Detail

isNullOrEmpty

public static boolean isNullOrEmpty(Collection<?> subject)

Parameters:

subject - the subject.

Returns:

true if null or empty.

isNotNullOrEmpty

public static boolean isNotNullOrEmpty(Collection<?> subject)

Parameters:

subject - the subject.

Returns:

true if not null or empty.

isNullOrEmpty

public static boolean isNullOrEmpty(Object[] subject)

Parameters:

subject - the subject.

Returns:

true if null or empty.

isNotNullOrEmpty

public static boolean isNotNullOrEmpty(Object[] subject)

Parameters:

subject - the subject.

Returns:

true if not null or empty.

isNullOrEmpty

public static boolean isNullOrEmpty(Map<?,?> subject)

Parameters:

subject - the subject.

Returns:

true if null or empty.

isNotNullOrEmpty

public static boolean isNotNullOrEmpty(Map<?,?> subject)

Parameters:

subject - the subject.

Returns:

true if not null or empty.