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<div class="subTitle">org.apache.ignite.plugin.extensions.communication</div>
<h2 title="Interface MessageReader" class="title">Interface MessageReader</h2>
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<pre>public interface <span class="typeNameLabel">MessageReader</span></pre>
<div class="block">Communication message reader.
<p>
Allows to customize the binary format of communication messages.</div>
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<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">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#afterInnerMessageRead-boolean-">afterInnerMessageRead</a></span>(boolean&nbsp;finished)</code>
<div class="block">Callback called after inner message is read.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#afterMessageRead-java.lang.Class-">afterMessageRead</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>? extends <a href="../../../../../../org/apache/ignite/plugin/extensions/communication/Message.html" title="interface in org.apache.ignite.plugin.extensions.communication">Message</a><span class='angle_bracket'>&gt;</span>&nbsp;msgCls)</code>
<div class="block">Callback that must be invoked by a message implementation after message body finished decoding.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#beforeInnerMessageRead--">beforeInnerMessageRead</a></span>()</code>
<div class="block">Callback called before inner message is read.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#beforeMessageRead--">beforeMessageRead</a></span>()</code>
<div class="block">Callback that must be invoked by a message implementation before message body started decoding.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#incrementState--">incrementState</a></span>()</code>
<div class="block">Increments read state.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#isLastRead--">isLastRead</a></span>()</code>
<div class="block">Tells whether last invocation of any of <code>readXXX(...)</code></div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readAffinityTopologyVersion-java.lang.String-">readAffinityTopologyVersion</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>AffinityTopologyVersion</code>.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readBitSet-java.lang.String-">readBitSet</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util"><code>BitSet</code></a>.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readBoolean-java.lang.String-">readBoolean</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>boolean</code> value.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readBooleanArray-java.lang.String-">readBooleanArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>boolean</code> array.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>byte</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readByte-java.lang.String-">readByte</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>byte</code> value.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readByteArray-java.lang.String-">readByteArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>byte</code> array.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>char</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readChar-java.lang.String-">readChar</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>char</code> value.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>char[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readCharArray-java.lang.String-">readCharArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>char</code> array.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>C extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'>&lt;</span>?<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span><br>C</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readCollection-java.lang.String-org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType-">readCollection</a></span>(<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>&nbsp;name,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;itemType)</code>
<div class="block">Reads collection.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readDouble-java.lang.String-">readDouble</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>double</code> value.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readDoubleArray-java.lang.String-">readDoubleArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>double</code> array.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readFloat-java.lang.String-">readFloat</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>float</code> value.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>float[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readFloatArray-java.lang.String-">readFloatArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>float</code> array.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/ignite/lang/IgniteUuid.html" title="class in org.apache.ignite.lang">IgniteUuid</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readIgniteUuid-java.lang.String-">readIgniteUuid</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <a href="../../../../../../org/apache/ignite/lang/IgniteUuid.html" title="class in org.apache.ignite.lang"><code>IgniteUuid</code></a>.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readInt-java.lang.String-">readInt</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>int</code> value.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readInt-java.lang.String-int-">readInt</a></span>(<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>&nbsp;name,
int&nbsp;dflt)</code>
<div class="block">Reads <code>int</code> value.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readIntArray-java.lang.String-">readIntArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>int</code> array.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readLong-java.lang.String-">readLong</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>long</code> value.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readLongArray-java.lang.String-">readLongArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>long</code> array.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>M extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><span class='angle_bracket'>&lt;</span>?,?<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span><br>M</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readMap-java.lang.String-org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType-org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType-boolean-">readMap</a></span>(<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>&nbsp;name,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;keyType,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;valType,
boolean&nbsp;linked)</code>
<div class="block">Reads map.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>T extends <a href="../../../../../../org/apache/ignite/plugin/extensions/communication/Message.html" title="interface in org.apache.ignite.plugin.extensions.communication">Message</a><span class='angle_bracket'>&gt;</span><br>T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readMessage-java.lang.String-">readMessage</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads nested message.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;T[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readObjectArray-java.lang.String-org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType-java.lang.Class-">readObjectArray</a></span>(<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>&nbsp;name,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;itemType,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;itemCls)</code>
<div class="block">Reads array of objects.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>short</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readShort-java.lang.String-">readShort</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>short</code> value.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>short[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readShortArray-java.lang.String-">readShortArray</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <code>short</code> array.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code><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/ignite/plugin/extensions/communication/MessageReader.html#readString-java.lang.String-">readString</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang"><code>String</code></a>.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#readUuid-java.lang.String-">readUuid</a></span>(<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>&nbsp;name)</code>
<div class="block">Reads <a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util"><code>UUID</code></a>.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#reset--">reset</a></span>()</code>
<div class="block">Resets this reader.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#setBuffer-java.nio.ByteBuffer-">setBuffer</a></span>(<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>&nbsp;buf)</code>
<div class="block">Sets but buffer to read from.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#setCurrentReadClass-java.lang.Class-">setCurrentReadClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>? extends <a href="../../../../../../org/apache/ignite/plugin/extensions/communication/Message.html" title="interface in org.apache.ignite.plugin.extensions.communication">Message</a><span class='angle_bracket'>&gt;</span>&nbsp;msgCls)</code>
<div class="block">Sets type of message currently read.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageReader.html#state--">state</a></span>()</code>
<div class="block">Gets current read state.</div>
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<pre>void&nbsp;setBuffer(<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>&nbsp;buf)</pre>
<div class="block">Sets but buffer to read from.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>buf</code> - Byte buffer.</dd>
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<pre>void&nbsp;setCurrentReadClass(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>? extends <a href="../../../../../../org/apache/ignite/plugin/extensions/communication/Message.html" title="interface in org.apache.ignite.plugin.extensions.communication">Message</a><span class='angle_bracket'>&gt;</span>&nbsp;msgCls)</pre>
<div class="block">Sets type of message currently read.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>msgCls</code> - Message type.</dd>
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<pre>boolean&nbsp;beforeMessageRead()</pre>
<div class="block">Callback that must be invoked by a message implementation before message body started decoding.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>True</code> if reading can proceed, <code>false</code> otherwise.</dd>
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<pre>boolean&nbsp;afterMessageRead(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>? extends <a href="../../../../../../org/apache/ignite/plugin/extensions/communication/Message.html" title="interface in org.apache.ignite.plugin.extensions.communication">Message</a><span class='angle_bracket'>&gt;</span>&nbsp;msgCls)</pre>
<div class="block">Callback that must be invoked by a message implementation after message body finished decoding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>msgCls</code> - Message class finishing read stage.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>True</code> if reading can proceed, <code>false</code> otherwise.</dd>
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<pre>byte&nbsp;readByte(<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>&nbsp;name)</pre>
<div class="block">Reads <code>byte</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>byte</code> value.</dd>
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<pre>short&nbsp;readShort(<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>&nbsp;name)</pre>
<div class="block">Reads <code>short</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>short</code> value.</dd>
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<pre>int&nbsp;readInt(<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>&nbsp;name)</pre>
<div class="block">Reads <code>int</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>int</code> value.</dd>
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<pre>int&nbsp;readInt(<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>&nbsp;name,
int&nbsp;dflt)</pre>
<div class="block">Reads <code>int</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dd><code>dflt</code> - Default value if field not found.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>int</code> value.</dd>
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<pre>long&nbsp;readLong(<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>&nbsp;name)</pre>
<div class="block">Reads <code>long</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>long</code> value.</dd>
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<pre>float&nbsp;readFloat(<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>&nbsp;name)</pre>
<div class="block">Reads <code>float</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>float</code> value.</dd>
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<pre>double&nbsp;readDouble(<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>&nbsp;name)</pre>
<div class="block">Reads <code>double</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>double</code> value.</dd>
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<pre>char&nbsp;readChar(<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>&nbsp;name)</pre>
<div class="block">Reads <code>char</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>char</code> value.</dd>
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<pre>boolean&nbsp;readBoolean(<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>&nbsp;name)</pre>
<div class="block">Reads <code>boolean</code> value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>boolean</code> value.</dd>
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<pre>byte[]&nbsp;readByteArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>byte</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>byte</code> array.</dd>
</dl>
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<pre>short[]&nbsp;readShortArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>short</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>short</code> array.</dd>
</dl>
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<pre>int[]&nbsp;readIntArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>int</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>int</code> array.</dd>
</dl>
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<pre>long[]&nbsp;readLongArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>long</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>long</code> array.</dd>
</dl>
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<pre>float[]&nbsp;readFloatArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>float</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>float</code> array.</dd>
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<pre>double[]&nbsp;readDoubleArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>double</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>double</code> array.</dd>
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<pre>char[]&nbsp;readCharArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>char</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>char</code> array.</dd>
</dl>
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<pre>boolean[]&nbsp;readBooleanArray(<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>&nbsp;name)</pre>
<div class="block">Reads <code>boolean</code> array.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>boolean</code> array.</dd>
</dl>
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<pre><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>&nbsp;readString(<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>&nbsp;name)</pre>
<div class="block">Reads <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang"><code>String</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang"><code>String</code></a>.</dd>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;readBitSet(<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>&nbsp;name)</pre>
<div class="block">Reads <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util"><code>BitSet</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util"><code>BitSet</code></a>.</dd>
</dl>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;readUuid(<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>&nbsp;name)</pre>
<div class="block">Reads <a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util"><code>UUID</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util"><code>UUID</code></a>.</dd>
</dl>
</li>
</ul>
<a name="readIgniteUuid-java.lang.String-">
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<pre><a href="../../../../../../org/apache/ignite/lang/IgniteUuid.html" title="class in org.apache.ignite.lang">IgniteUuid</a>&nbsp;readIgniteUuid(<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>&nbsp;name)</pre>
<div class="block">Reads <a href="../../../../../../org/apache/ignite/lang/IgniteUuid.html" title="class in org.apache.ignite.lang"><code>IgniteUuid</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><a href="../../../../../../org/apache/ignite/lang/IgniteUuid.html" title="class in org.apache.ignite.lang"><code>IgniteUuid</code></a>.</dd>
</dl>
</li>
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<a name="readAffinityTopologyVersion-java.lang.String-">
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<pre>org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion&nbsp;readAffinityTopologyVersion(<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>&nbsp;name)</pre>
<div class="block">Reads <code>AffinityTopologyVersion</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>AffinityTopologyVersion</code>.</dd>
</dl>
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<pre><span class='angle_bracket'>&lt;</span>T extends <a href="../../../../../../org/apache/ignite/plugin/extensions/communication/Message.html" title="interface in org.apache.ignite.plugin.extensions.communication">Message</a><span class='angle_bracket'>&gt;</span>&nbsp;T&nbsp;readMessage(<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>&nbsp;name)</pre>
<div class="block">Reads nested message.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Message.</dd>
</dl>
</li>
</ul>
<a name="readObjectArray-java.lang.String-org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType-java.lang.Class-">
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<pre><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;T[]&nbsp;readObjectArray(<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>&nbsp;name,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;itemType,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span>&nbsp;itemCls)</pre>
<div class="block">Reads array of objects.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dd><code>itemType</code> - Array component type.</dd>
<dd><code>itemCls</code> - Array component class.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Array of objects.</dd>
</dl>
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<h4>readCollection</h4>
<pre><span class='angle_bracket'>&lt;</span>C extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'>&lt;</span>?<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;C&nbsp;readCollection(<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>&nbsp;name,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;itemType)</pre>
<div class="block">Reads collection.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dd><code>itemType</code> - Collection item type.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Collection.</dd>
</dl>
</li>
</ul>
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<h4>readMap</h4>
<pre><span class='angle_bracket'>&lt;</span>M extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><span class='angle_bracket'>&lt;</span>?,?<span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;M&nbsp;readMap(<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>&nbsp;name,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;keyType,
<a href="../../../../../../org/apache/ignite/plugin/extensions/communication/MessageCollectionItemType.html" title="enum in org.apache.ignite.plugin.extensions.communication">MessageCollectionItemType</a>&nbsp;valType,
boolean&nbsp;linked)</pre>
<div class="block">Reads map.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - Field name.</dd>
<dd><code>keyType</code> - Map key type.</dd>
<dd><code>valType</code> - Map value type.</dd>
<dd><code>linked</code> - Whether <a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util"><code>LinkedHashMap</code></a> should be created.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Map.</dd>
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<pre>boolean&nbsp;isLastRead()</pre>
<div class="block">Tells whether last invocation of any of <code>readXXX(...)</code>
methods has fully written the value. <code>False</code> is returned
if there were not enough remaining bytes in byte buffer.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Whether las value was fully read.</dd>
</dl>
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<pre>int&nbsp;state()</pre>
<div class="block">Gets current read state.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Read state.</dd>
</dl>
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<pre>void&nbsp;incrementState()</pre>
<div class="block">Increments read state.</div>
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<pre>void&nbsp;beforeInnerMessageRead()</pre>
<div class="block">Callback called before inner message is read.</div>
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<pre>void&nbsp;afterInnerMessageRead(boolean&nbsp;finished)</pre>
<div class="block">Callback called after inner message is read.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>finished</code> - Whether message was fully read.</dd>
</dl>
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<h4>reset</h4>
<pre>void&nbsp;reset()</pre>
<div class="block">Resets this reader.</div>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2021 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.11.1</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; December 20 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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