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java.lang.Objectcom.google.appengine.api.search.Util
public final class Util
A utility class that does various checks on search and indexing parameters.
| Method Summary | ||
|---|---|---|
static
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defaultIfNull(T value,
T defaultValue)
A helper method for overriding null values with a default value. |
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static boolean |
equalObjects(java.lang.Object a,
java.lang.Object b)
A helper method for testing two objects are equal. |
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static java.lang.String |
fieldToString(java.lang.String name,
java.lang.Object value)
Returns a string that allows a field value pair to be added to a debug string. |
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static boolean |
isNullOrEmpty(java.lang.String string)
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static
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iterableFieldToString(java.lang.String fieldName,
java.lang.Iterable<T> objects)
Returns a string which can be used to append an iterable field to a debug string. |
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static
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iterableToString(java.lang.Iterable<T> objects,
int limit)
Returns a string representation of the iterable objects. |
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| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
public static boolean isNullOrEmpty(java.lang.String string)
public static boolean equalObjects(java.lang.Object a,
java.lang.Object b)
public static <T> T defaultIfNull(T value,
T defaultValue)
value - the value of some fielddefaultValue - the default value for the field
public static <T> java.lang.String iterableToString(java.lang.Iterable<T> objects,
int limit)
objects - an iterable of objects to be turned into a stringlimit - the maximum number of objects from iterable to be used
to build a string
public static <T> java.lang.String iterableFieldToString(java.lang.String fieldName,
java.lang.Iterable<T> objects)
public static java.lang.String fieldToString(java.lang.String name,
java.lang.Object value)
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