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java.lang.Objectorg.apache.solr.util.NamedList<T>
public class NamedList<T>
A simple container class for modeling an ordered list of name/value pairs.
Unlike Maps:
A NamedList provides fast access by element number, but not by name.
When a NamedList is serialized, order is considered more important than access
by key, so ResponseWriters that output to a format such as JSON will normally
choose a data structure that allows order to be easily preserved in various
clients (i.e. not a straight map).
If access by key is more important, see SimpleOrderedMap
,
or simply use a regular Map
Field Summary | |
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protected List |
nvPairs
|
Constructor Summary | |
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NamedList()
Creates an empty instance |
|
NamedList(List nameValuePairs)
Creates an instance backed by an explicitly specified list of pairwise names/values. |
Method Summary | |
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void |
add(String name,
T val)
Adds a name/value pair to the end of the list. |
boolean |
addAll(Map<String,T> args)
Iterates over the Map and sequentially adds it's key/value pairs |
boolean |
addAll(NamedList<T> nl)
Appends the elements of the given NamedList to this one. |
NamedList<T> |
clone()
Makes a shallow copy of the named list. |
T |
get(String name)
Gets the value for the first instance of the specified name found. |
T |
get(String name,
int start)
Gets the value for the first instance of the specified name found starting at the specified index. |
String |
getName(int idx)
The name of the pair at the specified List index |
T |
getVal(int idx)
The value of the pair at the specified List index |
int |
indexOf(String name,
int start)
Scans the list sequentially beginning at the specified index and returns the index of the first pair with the specified name. |
Iterator<Map.Entry<String,T>> |
iterator()
Support the Iterable interface |
void |
setName(int idx,
String name)
Modifies the name of the pair at the specified index. |
T |
setVal(int idx,
T val)
Modifies the value of the pair at the specified index. |
int |
size()
The total number of name/value pairs |
String |
toString()
|
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected final List nvPairs
Constructor Detail |
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public NamedList()
public NamedList(List nameValuePairs)
nameValuePairs
- underlying List which should be used to implement a NamedList; modifying this List will affect the NamedList.Method Detail |
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public int size()
public String getName(int idx)
public T getVal(int idx)
public void add(String name, T val)
public void setName(int idx, String name)
public T setVal(int idx, T val)
public int indexOf(String name, int start)
name
- name to look for, may be nullstart
- index to begin searching from
public T get(String name)
indexOf(java.lang.String, int)
,
get(String,int)
public T get(String name, int start)
indexOf(java.lang.String, int)
public String toString()
toString
in class Object
public boolean addAll(Map<String,T> args)
public boolean addAll(NamedList<T> nl)
public NamedList<T> clone()
clone
in class Object
public Iterator<Map.Entry<String,T>> iterator()
iterator
in interface Iterable<Map.Entry<String,T>>
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