Merge branch 'master' into develop

* master:
  optimized ByteSequence;

utils-common/src/main/java/utils/ByteSequence.java

 package utils;
 
-import java.io.OutputStream;
-
 /**
  * A readable sequence of byte value;
  * 
@@ -25,6 +23,22 @@ public interface ByteSequence {
 	 */
 	byte byteAt(int index);
 
+	/**
+	 * 比较当前字节与指定的字节数组是否相等；
+	 * @param data
+	 */
+	default boolean equal(byte[] data) {
+		if (data.length != size()) {
+			return false;
+		}
+		for (int i = 0; i < data.length; i++) {
+			if (data[i] != byteAt(i)) {
+				return false;
+			}
+		}
+		return true;
+	}
+
 	/**
 	 * Returns a {@link ByteSequence} that is a subsequence of this sequence.
 	 * 

utils-common/src/main/java/utils/Bytes.java

@@ -422,6 +422,25 @@ public class Bytes implements ByteSequence, BytesSerializable, Serializable {
 	public byte byteAt(int index) {
 		return read(index);
 	}
+	
+	@Override
+	public boolean equal(byte[] data) {
+		if (data.length != size()) {
+			return false;
+		}
+		int i = 0;
+		for (; i < prefixSize; i++) {
+			if (prefix.read(i) != data[i]) {
+				return false;
+			}
+		}
+		for (int j = 0; j < bytes.length; i++, j++) {
+			if (bytes[j] != data[i]) {
+				return false;
+			}
+		}
+		return true;
+	}
 
 	@Override
 	public ByteSequence subSequence(int start, int end) {

utils-common/src/main/java/utils/io/ByteArray.java

@@ -327,6 +327,11 @@ public class ByteArray implements Externalizable, ByteSequence {
 	public byte byteAt(int index) {
 		return bytes[index];
 	}
+	
+	@Override
+	public boolean equal(byte[] data) {
+		return Arrays.equals(bytes, data);
+	}
 
 	@Override
 	public ByteSequence subSequence(int start, int end) {

utils-common/src/main/java/utils/io/BytesSlice.java

@@ -229,6 +229,19 @@ public class BytesSlice implements ByteSequence, BytesSerializable {
 	public byte byteAt(int index) {
 		return getByte(index);
 	}
+	
+	@Override
+	public boolean equal(byte[] data) {
+		if (data.length != size()) {
+			return false;
+		}
+		for (int i = 0; i < data.length; i++) {
+			if (data[i] != bytes[dataOffset + i]) {
+				return false;
+			}
+		}
+		return true;
+	}
 
 	@Override
 	public ByteSequence subSequence(int start, int end) {