Package org.biojava.utils
Class SmallMap
- java.lang.Object
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- java.util.AbstractMap
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- org.biojava.utils.SmallMap
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- All Implemented Interfaces:
java.io.Serializable
,java.util.Map
public class SmallMap extends java.util.AbstractMap implements java.io.Serializable
Lightweight implementation of Map which uses little memory to store a small number of mappings, at the expense of scalability. Not recommended for more than 20-30 mappings.This implementation has the useful property that the iteration order is the same as the order in which mappings are added.
- Author:
- Thomas Down, Len Trigg
- See Also:
- Serialized Form
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
containsKey(java.lang.Object key)
java.util.Set
entrySet()
java.lang.Object
get(java.lang.Object key)
java.util.Set
keySet()
java.lang.Object
put(java.lang.Object key, java.lang.Object value)
int
size()
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Methods inherited from class java.util.AbstractMap
clear, clone, containsValue, equals, hashCode, isEmpty, putAll, remove, toString, values
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Method Detail
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get
public java.lang.Object get(java.lang.Object key)
- Specified by:
get
in interfacejava.util.Map
- Overrides:
get
in classjava.util.AbstractMap
- Throws:
java.lang.NullPointerException
- if key is null
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put
public java.lang.Object put(java.lang.Object key, java.lang.Object value)
- Specified by:
put
in interfacejava.util.Map
- Overrides:
put
in classjava.util.AbstractMap
- Throws:
java.lang.NullPointerException
- if key is null
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keySet
public java.util.Set keySet()
- Specified by:
keySet
in interfacejava.util.Map
- Overrides:
keySet
in classjava.util.AbstractMap
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entrySet
public java.util.Set entrySet()
- Specified by:
entrySet
in interfacejava.util.Map
- Specified by:
entrySet
in classjava.util.AbstractMap
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size
public int size()
- Specified by:
size
in interfacejava.util.Map
- Overrides:
size
in classjava.util.AbstractMap
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containsKey
public boolean containsKey(java.lang.Object key)
- Specified by:
containsKey
in interfacejava.util.Map
- Overrides:
containsKey
in classjava.util.AbstractMap
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