cassandra-server
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A thin Javascript wrapper around Apache Cassandra to provide out of the box server support
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<div class="subTitle">org.apache.cassandra.db</div>
<h2 title="Class ColumnFamily" class="title">Class ColumnFamily</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>org.apache.cassandra.db.ColumnFamily</li>
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<dt>All Implemented Interfaces:</dt>
<dd>java.lang.Iterable<<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a>>, <a href="../../../../org/apache/cassandra/cache/IRowCacheEntry.html" title="interface in org.apache.cassandra.cache">IRowCacheEntry</a></dd>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/apache/cassandra/db/ArrayBackedSortedColumns.html" title="class in org.apache.cassandra.db">ArrayBackedSortedColumns</a>, <a href="../../../../org/apache/cassandra/db/AtomicBTreeColumns.html" title="class in org.apache.cassandra.db">AtomicBTreeColumns</a></dd>
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<pre>public abstract class <span class="strong">ColumnFamily</span>
extends java.lang.Object
implements java.lang.Iterable<<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a>>, <a href="../../../../org/apache/cassandra/cache/IRowCacheEntry.html" title="interface in org.apache.cassandra.cache">IRowCacheEntry</a></pre>
<div class="block">A sorted map of columns.
This represents the backing map of a colum family.
Whether the implementation is thread safe or not is left to the
implementing classes.</div>
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<td class="colFirst"><code>static class </code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.Factory.html" title="class in org.apache.cassandra.db">ColumnFamily.Factory</a><<a href="../../../../org/apache/cassandra/db/ColumnFamily.Factory.html" title="type parameter in ColumnFamily.Factory">T</a> extends <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a>></strong></code> </td>
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<td class="colFirst"><code>protected <a href="../../../../org/apache/cassandra/config/CFMetaData.html" title="class in org.apache.cassandra.config">CFMetaData</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#metadata">metadata</a></strong></code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/cassandra/db/ColumnFamilySerializer.html" title="class in org.apache.cassandra.db">ColumnFamilySerializer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#serializer">serializer</a></strong></code> </td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#ColumnFamily(org.apache.cassandra.config.CFMetaData)">ColumnFamily</a></strong>(<a href="../../../../org/apache/cassandra/config/CFMetaData.html" title="class in org.apache.cassandra.config">CFMetaData</a> metadata)</code> </td>
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<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addAll(org.apache.cassandra.db.ColumnFamily)">addAll</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cm)</code>
<div class="block">Adds all the columns of a given column map to this column map.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addAtom(org.apache.cassandra.db.OnDiskAtom)">addAtom</a></strong>(<a href="../../../../org/apache/cassandra/db/OnDiskAtom.html" title="interface in org.apache.cassandra.db">OnDiskAtom</a> atom)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addColumn(org.apache.cassandra.db.Cell)">addColumn</a></strong>(<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a> cell)</code>
<div class="block">Adds a cell to this cell map.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addColumn(org.apache.cassandra.db.composites.CellName,%20java.nio.ByteBuffer,%20long)">addColumn</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a> name,
java.nio.ByteBuffer value,
long timestamp)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addColumn(org.apache.cassandra.db.composites.CellName,%20java.nio.ByteBuffer,%20long,%20int)">addColumn</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a> name,
java.nio.ByteBuffer value,
long timestamp,
int timeToLive)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addCounter(org.apache.cassandra.db.composites.CellName,%20long)">addCounter</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a> name,
long value)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addTombstone(org.apache.cassandra.db.composites.CellName,%20java.nio.ByteBuffer,%20long)">addTombstone</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a> name,
java.nio.ByteBuffer localDeletionTime,
long timestamp)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#addTombstone(org.apache.cassandra.db.composites.CellName,%20int,%20long)">addTombstone</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a> name,
int localDeletionTime,
long timestamp)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.Map<<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a>,java.nio.ByteBuffer></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#asMap()">asMap</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#clear()">clear</a></strong>()</code>
<div class="block">Clear this column family, removing all columns and deletion info.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#cloneMe()">cloneMe</a></strong>()</code>
<div class="block">Clones the column map.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#cloneMeShallow()">cloneMeShallow</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><T extends <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a>> <br>T</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#cloneMeShallow(org.apache.cassandra.db.ColumnFamily.Factory,%20boolean)">cloneMeShallow</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.Factory.html" title="class in org.apache.cassandra.db">ColumnFamily.Factory</a><T> factory,
boolean reversedInsertOrder)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#dataSize()">dataSize</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#delete(org.apache.cassandra.db.ColumnFamily)">delete</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> columns)</code>
<div class="block">If `columns` has any tombstones (top-level or range tombstones), they will be applied to this set of columns.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#delete(org.apache.cassandra.db.DeletionInfo)">delete</a></strong>(<a href="../../../../org/apache/cassandra/db/DeletionInfo.html" title="class in org.apache.cassandra.db">DeletionInfo</a> info)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#delete(org.apache.cassandra.db.DeletionTime)">delete</a></strong>(<a href="../../../../org/apache/cassandra/db/DeletionTime.html" title="class in org.apache.cassandra.db">DeletionTime</a> deletionTime)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#delete(org.apache.cassandra.db.RangeTombstone)">delete</a></strong>(<a href="../../../../org/apache/cassandra/db/RangeTombstone.html" title="class in org.apache.cassandra.db">RangeTombstone</a> tombstone)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../org/apache/cassandra/db/DeletionInfo.html" title="class in org.apache.cassandra.db">DeletionInfo</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#deletionInfo()">deletionInfo</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#diff(org.apache.cassandra.db.ColumnFamily)">diff</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cfComposite)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#diff(org.apache.cassandra.db.ColumnFamily,%20org.apache.cassandra.db.ColumnFamily)">diff</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cf1,
<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cf2)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static java.nio.ByteBuffer</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#digest(org.apache.cassandra.db.ColumnFamily)">digest</a></strong>(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cf)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#equals(java.lang.Object)">equals</a></strong>(java.lang.Object o)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#fromBytes(java.nio.ByteBuffer)">fromBytes</a></strong>(java.nio.ByteBuffer bytes)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getColumn(org.apache.cassandra.db.composites.CellName)">getColumn</a></strong>(<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a> name)</code>
<div class="block">Get a column given its name, returning null if the column is not
present.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getColumnCount()">getColumnCount</a></strong>()</code>
<div class="block">Returns the number of columns in this map.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract java.lang.Iterable<<a href="../../../../org/apache/cassandra/db/composites/CellName.html" title="interface in org.apache.cassandra.db.composites">CellName</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getColumnNames()">getColumnNames</a></strong>()</code>
<div class="block">Returns an iterable with the names of columns in this column map in the same order
as the underlying columns themselves.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/cassandra/io/sstable/ColumnStats.html" title="class in org.apache.cassandra.io.sstable">ColumnStats</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getColumnStats()">getColumnStats</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/composites/CellNameType.html" title="interface in org.apache.cassandra.db.composites">CellNameType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getComparator()">getComparator</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../../org/apache/cassandra/db/ColumnFamily.Factory.html" title="class in org.apache.cassandra.db">ColumnFamily.Factory</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getFactory()">getFactory</a></strong>()</code>
<div class="block">Returns the factory used for this ISortedColumns implementation.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract java.util.Collection<<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getReverseSortedColumns()">getReverseSortedColumns</a></strong>()</code>
<div class="block">Returns the columns of this column map as a collection.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract java.util.Collection<<a href="../../../../org/apache/cassandra/db/Cell.html" title="interface in org.apache.cassandra.db">Cell</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getSortedColumns()">getSortedColumns</a></strong>()</code>
<div class="block">Returns the columns of this column map as a collection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/ColumnFamilyType.html" title="enum in org.apache.cassandra.db">ColumnFamilyType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#getType()">getType</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#hasColumns()">hasColumns</a></strong>()</code>
<div class="block">Returns whether or not there are any columns present.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#hashCode()">hashCode</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#hasOnlyTombstones(long)">hasOnlyTombstones</a></strong>(long now)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.UUID</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/db/ColumnFamily.html#id()">id</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/cassandra/db/DeletionInfo.InOrderTester.html" title="class in org.apache.cassandra.db">DeletionInfo.InOrderTester</a></code></td>
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<pre>public <a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> diff(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cfComposite)</pre>
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<pre>public static java.nio.ByteBuffer digest(<a href="../../../../org/apache/cassandra/db/ColumnFamily.html" title="class in org.apache.cassandra.db">ColumnFamily</a> cf)</pre>
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