85 lines
2.3 KiB
Java
85 lines
2.3 KiB
Java
package com.minres.scviewer.database;
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import java.util.Collection;
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public interface IEventList extends Iterable<EventEntry> {
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int size();
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Collection<EventEntry> entrySet();
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boolean containsKey(long key);
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IEvent[] get(long key);
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void put(long key, IEvent value);
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long firstKey();
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long lastKey();
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boolean isEmpty();
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/**
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* Returns a key-value mapping associated with the greatest key less
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* than or equal to the given key, or null if there is no such key.
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*
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* @param key
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* @return
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*/
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EventEntry floorEntry(long key);
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/**
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* Returns a key-value mapping associated with the least key greater
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* than or equal to the given key, or null if there is no such key.
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*
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* @param key
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* @return
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*/
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EventEntry ceilingEntry(long key);
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/**
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* Returns a key-value mapping associated with the least key in this map,
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* or null if the map is empty.
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*
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* @return
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*/
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EventEntry firstEntry();
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/**
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* Returns a key-value mapping associated with the least key in this map,
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* or null if the map is empty.
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*
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* @return
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*/
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EventEntry lastEntry();
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/**
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* Returns a key-value mapping associated with the least key strictly greater
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* than the given key, or null if there is no such key.
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*
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* @param key
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* @return
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*/
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EventEntry higherEntry(long key);
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/**
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* Returns a key-value mapping associated with the greatest key strictly less
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* than the given key, or null if there is no such key.
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*
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* @param key
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* @return
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*/
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EventEntry lowerEntry(long key);
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/**
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* Returns a view of the portion of this map whose keys range from
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* {@code fromKey} to {@code toKey}. If {@code fromKey} and
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* {@code toKey} are equal, the returned map is empty unless
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* {@code fromInclusive} is true. The
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* returned map is backed by this map, so changes in the returned map are
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* reflected in this map, and vice-versa. The returned map supports all
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* optional map operations that this map supports.
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*
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* @param fromKey low endpoint of the keys in the returned map
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* @param fromInclusive {@code true} if the low endpoint
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* is to be included in the returned view
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* @param toKey high endpoint of the keys in the returned map (inclusive)
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*/
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IEventList subMap(long key, boolean b, long key2);
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}
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