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IntIntMap (libgdx API)
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com.badlogic.gdx.utils
</FONT>
<BR>
Class IntIntMap
</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.badlogic.gdx.utils.IntIntMap
</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class
<B>IntIntMap
</B><DT>extends java.lang.Object
</DL>
</PRE>
<P>
An unordered map where the keys and values are ints. This implementation is a cuckoo hash map using 3 hashes, random walking,
and a small stash for problematic keys. No allocation is done except when growing the table size.
<br>
<br>
This map performs very fast get, containsKey, and remove (typically O(1), worst case O(log(n))). Put may be a bit slower,
depending on hash collisions. Load factors greater than 0.91 greatly increase the chances the map will have to rehash to the
next higher POT size.
<P>
<P>
<DL>
<DT><B>Author:
</B></DT>
<DD>Nathan Sweet
</DD>
</DL>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
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<CODE>static
class
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Entries.html" title="class in com.badlogic.gdx.utils">IntIntMap.Entries
</A></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
class
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Entry.html" title="class in com.badlogic.gdx.utils">IntIntMap.Entry
</A><<A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Entry.html" title="type parameter in IntIntMap.Entry">K
</A>></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
class
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Keys.html" title="class in com.badlogic.gdx.utils">IntIntMap.Keys
</A></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
class
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Values.html" title="class in com.badlogic.gdx.utils">IntIntMap.Values
</A></B></CODE>
<BR>
</TD>
</TR>
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<B>Field Summary
</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#size">size
</A></B></CODE>
<BR>
</TD>
</TR>
</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#IntIntMap()">IntIntMap
</A></B>()
</CODE>
<BR>
Creates a new map with an initial capacity of 32 and a load factor of 0.8.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#IntIntMap(int)">IntIntMap
</A></B>(int
initialCapacity)
</CODE>
<BR>
Creates a new map with a load factor of 0.8.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#IntIntMap(int, float)">IntIntMap
</A></B>(int
initialCapacity,
float
loadFactor)
</CODE>
<BR>
Creates a new map with the specified initial capacity and load factor.
</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary
</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#clear()">clear
</A></B>()
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#containsKey(int)">containsKey
</A></B>(int
key)
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#containsValue(int)">containsValue
</A></B>(int
value)
</CODE>
<BR>
Returns true if the specified value is in the map.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#ensureCapacity(int)">ensureCapacity
</A></B>(int
additionalCapacity)
</CODE>
<BR>
Increases the size of the backing array to acommodate the specified number of additional items.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Entries.html" title="class in com.badlogic.gdx.utils">IntIntMap.Entries
</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#entries()">entries
</A></B>()
</CODE>
<BR>
Returns an iterator for the entries in the map.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#findKey(int, int)">findKey
</A></B>(int
value,
int
notFound)
</CODE>
<BR>
Returns the key for the specified value, or null if it is not in the map.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#get(int, int)">get
</A></B>(int
key,
int
defaultValue)
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#getAndIncrement(int, int, int)">getAndIncrement
</A></B>(int
key,
int
defaultValue,
int
increment)
</CODE>
<BR>
Returns the key's current value and increments the stored value.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Keys.html" title="class in com.badlogic.gdx.utils">IntIntMap.Keys
</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#keys()">keys
</A></B>()
</CODE>
<BR>
Returns an iterator for the keys in the map.
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#put(int, int)">put
</A></B>(int
key,
int
value)
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#putAll(com.badlogic.gdx.utils.IntIntMap)">putAll
</A></B>(
<A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html" title="class in com.badlogic.gdx.utils">IntIntMap
</A> map)
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#remove(int, int)">remove
</A></B>(int
key,
int
defaultValue)
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#toString()">toString
</A></B>()
</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Values.html" title="class in com.badlogic.gdx.utils">IntIntMap.Values
</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html#values()">values
</A></B>()
</CODE>
<BR>
Returns an iterator for the values in the map.
</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object
</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Field Detail
</B></FONT></TH>
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</TABLE>
<A NAME="size"><!-- --></A><H3>
size
</H3>
<PRE>
public int
<B>size
</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail
</B></FONT></TH>
</TR>
</TABLE>
<A NAME="IntIntMap()"><!-- --></A><H3>
IntIntMap
</H3>
<PRE>
public
<B>IntIntMap
</B>()
</PRE>
<DL>
<DD>Creates a new map with an initial capacity of 32 and a load factor of 0.8. This map will hold 25 items before growing the
backing table.
<P>
</DL>
<HR>
<A NAME="IntIntMap(int)"><!-- --></A><H3>
IntIntMap
</H3>
<PRE>
public
<B>IntIntMap
</B>(int
initialCapacity)
</PRE>
<DL>
<DD>Creates a new map with a load factor of 0.8. This map will hold initialCapacity * 0.8 items before growing the backing
table.
<P>
</DL>
<HR>
<A NAME="IntIntMap(int, float)"><!-- --></A><H3>
IntIntMap
</H3>
<PRE>
public
<B>IntIntMap
</B>(int
initialCapacity,
float
loadFactor)
</PRE>
<DL>
<DD>Creates a new map with the specified initial capacity and load factor. This map will hold initialCapacity * loadFactor items
before growing the backing table.
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail
</B></FONT></TH>
</TR>
</TABLE>
<A NAME="put(int, int)"><!-- --></A><H3>
put
</H3>
<PRE>
public void
<B>put
</B>(int
key,
int
value)
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="putAll(com.badlogic.gdx.utils.IntIntMap)"><!-- --></A><H3>
putAll
</H3>
<PRE>
public void
<B>putAll
</B>(
<A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.html" title="class in com.badlogic.gdx.utils">IntIntMap
</A> map)
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="get(int, int)"><!-- --></A><H3>
get
</H3>
<PRE>
public int
<B>get
</B>(int
key,
int
defaultValue)
</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:
</B><DD><CODE>defaultValue
</CODE> - Returned if the key was not associated with a value.
</DL>
</DD>
</DL>
<HR>
<A NAME="getAndIncrement(int, int, int)"><!-- --></A><H3>
getAndIncrement
</H3>
<PRE>
public int
<B>getAndIncrement
</B>(int
key,
int
defaultValue,
int
increment)
</PRE>
<DL>
<DD>Returns the key's current value and increments the stored value. If the key is not in the map, defaultValue + increment is
put into the map.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="remove(int, int)"><!-- --></A><H3>
remove
</H3>
<PRE>
public int
<B>remove
</B>(int
key,
int
defaultValue)
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="clear()"><!-- --></A><H3>
clear
</H3>
<PRE>
public void
<B>clear
</B>()
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="containsValue(int)"><!-- --></A><H3>
containsValue
</H3>
<PRE>
public boolean
<B>containsValue
</B>(int
value)
</PRE>
<DL>
<DD>Returns true if the specified value is in the map. Note this traverses the entire map and compares every value, which may be
an expensive operation.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="containsKey(int)"><!-- --></A><H3>
containsKey
</H3>
<PRE>
public boolean
<B>containsKey
</B>(int
key)
</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="findKey(int, int)"><!-- --></A><H3>
findKey
</H3>
<PRE>
public int
<B>findKey
</B>(int
value,
int
notFound)
</PRE>
<DL>
<DD>Returns the key for the specified value, or null if it is not in the map. Note this traverses the entire map and compares
every value, which may be an expensive operation.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="ensureCapacity(int)"><!-- --></A><H3>
ensureCapacity
</H3>
<PRE>
public void
<B>ensureCapacity
</B>(int
additionalCapacity)
</PRE>
<DL>
<DD>Increases the size of the backing array to acommodate the specified number of additional items. Useful before adding many
items to avoid multiple backing array resizes.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString
</H3>
<PRE>
public java.lang.String
<B>toString
</B>()
</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:
</B><DD><CODE>toString
</CODE> in class
<CODE>java.lang.Object
</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="entries()"><!-- --></A><H3>
entries
</H3>
<PRE>
public
<A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Entries.html" title="class in com.badlogic.gdx.utils">IntIntMap.Entries
</A> <B>entries
</B>()
</PRE>
<DL>
<DD>Returns an iterator for the entries in the map. Remove is supported. Note that the same iterator instance is returned each
time this method is called. Use the
<A HREF="../../../../com/badlogic/gdx/utils/IntFloatMap.Entries.html" title="class in com.badlogic.gdx.utils"><CODE>IntFloatMap.Entries
</CODE></A> constructor for nested or multithreaded iteration.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="values()"><!-- --></A><H3>
values
</H3>
<PRE>
public
<A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Values.html" title="class in com.badlogic.gdx.utils">IntIntMap.Values
</A> <B>values
</B>()
</PRE>
<DL>
<DD>Returns an iterator for the values in the map. Remove is supported. Note that the same iterator instance is returned each
time this method is called. Use the
<A HREF="../../../../com/badlogic/gdx/utils/IntFloatMap.Entries.html" title="class in com.badlogic.gdx.utils"><CODE>IntFloatMap.Entries
</CODE></A> constructor for nested or multithreaded iteration.
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<A NAME="keys()"><!-- --></A><H3>
keys
</H3>
<PRE>
public
<A HREF="../../../../com/badlogic/gdx/utils/IntIntMap.Keys.html" title="class in com.badlogic.gdx.utils">IntIntMap.Keys
</A> <B>keys
</B>()
</PRE>
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<DD>Returns an iterator for the keys in the map. Remove is supported. Note that the same iterator instance is returned each time
this method is called. Use the
<A HREF="../../../../com/badlogic/gdx/utils/IntFloatMap.Entries.html" title="class in com.badlogic.gdx.utils"><CODE>IntFloatMap.Entries
</CODE></A> constructor for nested or multithreaded iteration.
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