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| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
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| <div class="subTitle">org.apache.hadoop.hbase</div> |
| <h2 title="Interface Tag" class="title">Interface Tag</h2> |
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| <dt>All Known Implementing Classes:</dt> |
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| <pre>@InterfaceAudience.LimitedPrivate(value="Coprocesssor") |
| @InterfaceStability.Evolving |
| public interface <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.39">Tag</a></pre> |
| <div class="block">Tags are part of cells and helps to add metadata about them. |
| Metadata could be ACLs, visibility labels, etc. |
| <p> |
| Each Tag is having a type (one byte) and value part. The max value length for a Tag is 65533. |
| <p> |
| See <a href="../../../../org/apache/hadoop/hbase/TagType.html" title="class in org.apache.hadoop.hbase"><code>TagType</code></a> for reserved tag types.</div> |
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| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#CUSTOM_TAG_TYPE_RANGE">CUSTOM_TAG_TYPE_RANGE</a></span></code> |
| <div class="block">Custom tags if created are suggested to be above this range.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#INFRASTRUCTURE_SIZE">INFRASTRUCTURE_SIZE</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#MAX_TAG_LENGTH">MAX_TAG_LENGTH</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#TAG_LENGTH_SIZE">TAG_LENGTH_SIZE</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#TYPE_LENGTH_SIZE">TYPE_LENGTH_SIZE</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#cloneValue-org.apache.hadoop.hbase.Tag-">cloneValue</a></span>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</code> |
| <div class="block">Returns tag value in a new byte array.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#copyValueTo-org.apache.hadoop.hbase.Tag-byte:A-int-">copyValueTo</a></span>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag, |
| byte[] out, |
| int offset)</code> |
| <div class="block">Copies the tag's value bytes to the given byte array</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getType--">getType</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueArray--">getValueArray</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static byte</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueAsByte-org.apache.hadoop.hbase.Tag-">getValueAsByte</a></span>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</code> |
| <div class="block">Converts the value bytes of the given tag into a byte value</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueAsLong-org.apache.hadoop.hbase.Tag-">getValueAsLong</a></span>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</code> |
| <div class="block">Converts the value bytes of the given tag into a long value</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueAsString-org.apache.hadoop.hbase.Tag-">getValueAsString</a></span>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</code> |
| <div class="block">Converts the value bytes of the given tag into a String value</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueByteBuffer--">getValueByteBuffer</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueLength--">getValueLength</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueOffset--">getValueOffset</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#hasArray--">hasArray</a></span>()</code> |
| <div class="block">Tells whether or not this Tag is backed by a byte array.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/Tag.html#matchingValue-org.apache.hadoop.hbase.Tag-org.apache.hadoop.hbase.Tag-">matchingValue</a></span>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> t1, |
| <a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> t2)</code> |
| <div class="block">Matches the value part of given tags</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a name="TYPE_LENGTH_SIZE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>TYPE_LENGTH_SIZE</h4> |
| <pre>static final int <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.41">TYPE_LENGTH_SIZE</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.apache.hadoop.hbase.Tag.TYPE_LENGTH_SIZE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="TAG_LENGTH_SIZE"> |
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| </a> |
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| <h4>TAG_LENGTH_SIZE</h4> |
| <pre>static final int <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.42">TAG_LENGTH_SIZE</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
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| <h4>INFRASTRUCTURE_SIZE</h4> |
| <pre>static final int <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.43">INFRASTRUCTURE_SIZE</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.apache.hadoop.hbase.Tag.INFRASTRUCTURE_SIZE">Constant Field Values</a></dd> |
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| <a name="MAX_TAG_LENGTH"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>MAX_TAG_LENGTH</h4> |
| <pre>static final int <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.44">MAX_TAG_LENGTH</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.apache.hadoop.hbase.Tag.MAX_TAG_LENGTH">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="CUSTOM_TAG_TYPE_RANGE"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>CUSTOM_TAG_TYPE_RANGE</h4> |
| <pre>static final byte <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.50">CUSTOM_TAG_TYPE_RANGE</a></pre> |
| <div class="block">Custom tags if created are suggested to be above this range. So that |
| it does not overlap with internal tag types</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.apache.hadoop.hbase.Tag.CUSTOM_TAG_TYPE_RANGE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="getType--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getType</h4> |
| <pre>byte <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.54">getType</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the tag type</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getValueOffset--"> |
| <!-- --> |
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| <h4>getValueOffset</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.59">getValueOffset</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Offset of tag value within the backed buffer</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getValueLength--"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getValueLength</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.64">getValueLength</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Length of tag value within the backed buffer</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="hasArray--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>hasArray</h4> |
| <pre>boolean <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.70">hasArray</a>()</pre> |
| <div class="block">Tells whether or not this Tag is backed by a byte array.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true when this Tag is backed by byte array</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getValueArray--"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getValueArray</h4> |
| <pre>byte[] <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.78">getValueArray</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The array containing the value bytes.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code> - when <a href="../../../../org/apache/hadoop/hbase/Tag.html#hasArray--"><code>hasArray()</code></a> return false. Use <a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueByteBuffer--"><code>getValueByteBuffer()</code></a> in such |
| situation</dd> |
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| </li> |
| </ul> |
| <a name="getValueByteBuffer--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getValueByteBuffer</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.83">getValueByteBuffer</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio"><code>ByteBuffer</code></a> containing the value bytes.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cloneValue-org.apache.hadoop.hbase.Tag-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>cloneValue</h4> |
| <pre>static byte[] <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.92">cloneValue</a>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</pre> |
| <div class="block">Returns tag value in a new byte array. Primarily for use client-side. If server-side, use |
| <a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueArray--"><code>getValueArray()</code></a> with appropriate <a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueOffset--"><code>getValueOffset()</code></a> and |
| <a href="../../../../org/apache/hadoop/hbase/Tag.html#getValueLength--"><code>getValueLength()</code></a> instead to save on allocations.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tag</code> - The Tag whose value to be returned</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>tag value in a new byte array.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getValueAsString-org.apache.hadoop.hbase.Tag-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getValueAsString</h4> |
| <pre>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.109">getValueAsString</a>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</pre> |
| <div class="block">Converts the value bytes of the given tag into a String value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tag</code> - The Tag</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>value as String</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="matchingValue-org.apache.hadoop.hbase.Tag-org.apache.hadoop.hbase.Tag-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>matchingValue</h4> |
| <pre>static boolean <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.122">matchingValue</a>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> t1, |
| <a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> t2)</pre> |
| <div class="block">Matches the value part of given tags</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>t1</code> - Tag to match the value</dd> |
| <dd><code>t2</code> - Tag to match the value</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if values of both tags are same.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="copyValueTo-org.apache.hadoop.hbase.Tag-byte:A-int-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>copyValueTo</h4> |
| <pre>static void <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.145">copyValueTo</a>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag, |
| byte[] out, |
| int offset)</pre> |
| <div class="block">Copies the tag's value bytes to the given byte array</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tag</code> - The Tag</dd> |
| <dd><code>out</code> - The byte array where to copy the Tag value.</dd> |
| <dd><code>offset</code> - The offset within 'out' array where to copy the Tag value.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getValueAsLong-org.apache.hadoop.hbase.Tag-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getValueAsLong</h4> |
| <pre>static long <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.159">getValueAsLong</a>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</pre> |
| <div class="block">Converts the value bytes of the given tag into a long value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tag</code> - The Tag</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>value as long</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getValueAsByte-org.apache.hadoop.hbase.Tag-"> |
| <!-- --> |
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| <h4>getValueAsByte</h4> |
| <pre>static byte <a href="../../../../src-html/org/apache/hadoop/hbase/Tag.html#line.171">getValueAsByte</a>(<a href="../../../../org/apache/hadoop/hbase/Tag.html" title="interface in org.apache.hadoop.hbase">Tag</a> tag)</pre> |
| <div class="block">Converts the value bytes of the given tag into a byte value</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tag</code> - The Tag</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>value as byte</dd> |
| </dl> |
| </li> |
| </ul> |
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