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Support for adding two UTF8StringValue
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@@ -183,6 +183,11 @@ public int length() | |
{ | ||
return value().length(); | ||
} | ||
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public byte[] bytes() | ||
{ | ||
return bytes; | ||
} | ||
} | ||
} | ||
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52
community/values/src/main/java/org/neo4j/values/utils/UTF8Utils.java
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/* | ||
* Copyright (c) 2002-2017 "Neo Technology," | ||
* Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
* | ||
* This file is part of Neo4j. | ||
* | ||
* Neo4j is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
package org.neo4j.values.utils; | ||
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import org.neo4j.values.storable.StringValue.UTF8StringValue; | ||
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import static org.neo4j.values.storable.Values.utf8Value; | ||
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/** | ||
* Utility class for operations on utf-8 values. | ||
*/ | ||
public final class UTF8Utils | ||
{ | ||
private UTF8Utils() | ||
{ | ||
throw new UnsupportedOperationException( "Do not instantiate" ); | ||
} | ||
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/** | ||
* Add two values. | ||
* @param a value to add | ||
* @param b value to add | ||
* @return the value a + b | ||
*/ | ||
public static UTF8StringValue add( UTF8StringValue a, UTF8StringValue b ) | ||
{ | ||
byte[] bytesA = a.bytes(); | ||
byte[] bytesB = b.bytes(); | ||
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byte[] bytes = new byte[bytesA.length + bytesB.length]; | ||
System.arraycopy( bytesA, 0, bytes, 0, bytesA.length ); | ||
System.arraycopy( bytesB, 0, bytes, bytesA.length, bytesB.length ); | ||
return utf8Value(bytes); | ||
} | ||
} |