cleanup - use conditions for loops instead of breaks

h2/src/main/org/h2/mvstore/StreamStore.java

@@ -101,10 +101,7 @@ public class StreamStore {
         ByteArrayOutputStream id = new ByteArrayOutputStream();
         int level = 0;
         try {
-            while (true) {
-                if (put(id, in, level)) {
-                    break;
-                }
+            while (!put(id, in, level)) {
                 if (id.size() > maxBlockSize / 2) {
                     id = putIndirectId(id);
                     level++;

h2/src/main/org/h2/mvstore/db/ValueDataType.java

@@ -584,10 +584,7 @@ public class ValueDataType implements DataType {
                         readVarInt(buff),
                         readVarInt(buff));
             }
-            while (true) {
-                if (buff.get() == 0) {
-                    break;
-                }
+            while (buff.get() != 0) {
                 Object[] o = new Object[columns];
                 for (int i = 0; i < columns; i++) {
                     o[i] = ((Value) readValue(buff)).getObject();

h2/src/main/org/h2/store/Data.java

@@ -870,10 +870,7 @@ public class Data {
             for (int i = 0; i < columns; i++) {
                 rs.addColumn(readString(), readVarInt(), readVarInt(), readVarInt());
             }
-            while (true) {
-                if (readByte() == 0) {
-                    break;
-                }
+            while (readByte() != 0) {
                 Object[] o = new Object[columns];
                 for (int i = 0; i < columns; i++) {
                     o[i] = readValue().getObject();

h2/src/main/org/h2/table/Column.java

@@ -455,15 +455,12 @@ public class Column {
             originalSQL = "INT";
         }
         String sequenceName;
-        while (true) {
+        do {
             ValueUuid uuid = ValueUuid.getNewRandom();
             String s = uuid.getString();
             s = StringUtils.toUpperEnglish(s.replace('-', '_'));
             sequenceName = "SYSTEM_SEQUENCE_" + s;
-            if (schema.findSequence(sequenceName) == null) {
-                break;
-            }
-        }
+        } while (schema.findSequence(sequenceName) != null);
         Sequence seq = new Sequence(schema, id, sequenceName, start, increment);
         seq.setTemporary(temporary);
         session.getDatabase().addSchemaObject(session, seq);

h2/src/main/org/h2/tools/Csv.java

@@ -493,12 +493,9 @@ public class Csv implements SimpleRowSource {
             } else if (lineComment != 0 && ch == lineComment) {
                 // comment until end of line
                 inputBufferStart = -1;
-                while (true) {
+                do {
                     ch = readChar();
-                    if (ch == '\n' || ch < 0 || ch == '\r') {
-                        break;
-                    }
-                }
+                } while (ch != '\n' && ch >= 0 && ch != '\r');
                 endOfLine = true;
                 return null;
             } else {

h2/src/main/org/h2/value/Transfer.java

@@ -668,10 +668,7 @@ public class Transfer {
             for (int i = 0; i < columns; i++) {
                 rs.addColumn(readString(), readInt(), readInt(), readInt());
             }
-            while (true) {
-                if (!readBoolean()) {
-                    break;
-                }
+            while (readBoolean()) {
                 Object[] o = new Object[columns];
                 for (int i = 0; i < columns; i++) {
                     o[i] = readValue().getObject();